The Project Gutenberg eBook of Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Plates, by Ernst Haeckel

PLATE 1.
Thalassicollida.
Diam.			Page.
Fig. 1. Actissa princeps, n. sp.,	×	300	13
The entire living Spumellarium. c, The spherical central capsule containing finely granulated protoplasm, which is radially striated in the cortical zone; v, spherical vacuoles enclosed by the protoplasm; n, the spherical nucleus in the centre; l, the concentric nucleolus; f, the radial pseudopodia which pierce the calymma or the (yellowish) jelly-envelope of the central capsule and arise from the granular sarcomatrix.
Fig. 1a. Half of the central capsule of another specimen, in which the original central nucleus is cleft into numerous small nuclei,	×	400
Fig. 1b. Half of the central capsule of another specimen, filled up by flagellate spores,	×	400
Fig. 1c. Eight isolated flagellate spores,	×	800
Fig. 2. Thalassolampe maxima, n. sp.,	×	8	17
The entire living Spumellarium. c, The big spherical central capsule; a, the large alveoles filling the central capsule and surrounding a central nucleus; f, the pseudopodia piercing the extracapsular calymma.
Fig. 2a. The nucleus alone, with numerous nucleoli,	×	30
Fig. 3. Thalassopila cladococcus, n. sp.,	×	20	17
c, The big central capsule; a, numerous large alveoles contained in the central capsule; k, oil globules, many of which are placed in the radially striped cortical zone; the nucleus placed centrally, is covered with numerous radial apophyses or cæcal sacs. f, The radially striped calymma.
Fig. 4. Thalassicolla maculata, n. sp.,	×	100	21
c, The central capsule; v, vacuoles filling this capsule; n, the central nucleus; l, the concentric nucleolus; g, the voluminous calymma, a small radial piece of which is only represented; a, the large alveoles; b, peculiar exoplasmatic bodies; p, black pigment in the inner zone; f, the retracted pseudopodia in the outer zone.
Fig. 4a. An exoplasmatic body,	×	300
Fig. 4b, Vacuoles in the endoplasm,	×	300
Fig. 5. Thalassicolla melacapsa, n. sp.,	×	300	21
n, The large nucleus; l, numerous small nucleoli inside the nucleus; v, the vacuoles filling up the central capsule and separated by black pigment; a, large alveoles in the calymma; k, oil globules; b, exoplasmatic bodies; f, the retracted pseudopodia in the outer zone of the calymma.
Fig. 5a. An endoplasmatic vacuole, resembling a cell,	×	600
Fig. 5b. A piece of the central capsule,	×	600

PLATE 2.
Thalassosphærida.
Diam.			Page.
Fig. 1. Lampoxanthium pandora, n. sp.,	×	120	38
The central capsule exhibits distinct pore-canals in its membrane, and a clear interval between this and the coagulated and vacuolated protoplasm. The central nucleus contains numerous dark nucleoli. The spicula are scattered throughout the alveolate calymma.
Fig. 2. Thalassoplancta brevispicula, n. sp. (vel Lampoxanthium brevispiculum),	×	120	36
The central capsule contains numerous clear vacuoles, and in the cortical zone a layer of large oil-globules. The central nucleus includes numerous dark nucleoli. The calymma is alveolate. The spicula lie only in the cortical zone.
Fig. 3. Thalassoxanthium cervicorne, n. sp.,	×	300	33
The central capsule is filled up by clear vacuoles and contains a large central nucleus, with a single nucleolus. The spicula surround the thin calymma.
Fig. 4. Thalassoxanthium cervicorne, n. sp.,	×	600	33
A single spiculum.
Fig. 5. Thalassoxanthium medusinum, n. sp.,	×	120	32
The central capsule is filled up by clear vacuoles and contains on its cortical zone a layer of large oil-globules. The central nucleus contains numerous dark nucleoli. The calymma is radially striped, contains numerous small xanthellæ, and is surrounded by the spicula.
Fig. 6. Thalassoxanthium octoceras, n. sp.,	×	400	34
Three isolated spicula.

PLATE 3.
Collozoida.
Diam.			Page.
Fig. 1. Collozoum serpentinum, n sp (vel Collophidium serpentinum, Hkl),	×	10	26
A living cœnobium, with expanded pseudopodia. The spherical calymma (or the common jelly-mass of the colony) is alveolate and contains numerous cylindrical, serpentine, central capsules. Numerous yellow cells or xanthellæ are scattered between the radial pseudopodia in the periphery.
Fig. 2. Collozoum serpentinum, n. sp.,	×	50	26
An isolated, cylindrical, worm-shaped, central capsule, with an axial series of oil-globules; the red points are nuclei.
Fig. 3. Collozoum serpentinum, n. sp.,	×	150	26
An isolated, cylindrical, serpentine, central capsule. k, Oil-globules forming an axial series; n, densely placed, red-coloured nuclei;, c, the capsule membrane under which are scattered small black pigment spots in the colourless cortical zone of the endoplasm; a, extracapsular alveoles; x, xanthellæ or "yellow cells."
Fig. 4. Collozoum amœboides, n. sp.,	×	100	28
A spherical cœnobium or jelly-colony. Each amœboid central capsule contains an oil-globule; the small red points are nuclei.
Fig. 5. Collozoum amœboides, n. sp.,	×	400	28
c, A single isolated central capsule; n, nuclei; k, oil-globule.
Fig. 6. Collozoum vermiforme, n. sp.,	×	30	27
g, A spherical cœnobium or jelly-colony; a, large alveoles, forming a cortical zone; c, central capsules; k, oil-globules.
Fig. 7. Collozoum vermiforme, n. sp.,	×	100	27
c, A single isolated central capsule; x, xanthellæ surrounding this central capsule; k, oil-globules; n, nuclei.
Fig. 8. Collozoum ellipsoides, n. sp.,	×	2	26
A spherical colony; the red points are central capsules.
Fig. 9. Collozoum ellipsoides, n. sp.,	×	150	26
c, A single isolated central capsule; k, oil-globules; n, nuclei.
Fig. 10. Collozoum inerme, Hkl.,	×	2	25
An old, cylindrical, articulated cœnobium; the red points are centralcapsules.
Fig. 11. Collozoum inerme, Hkl.,	×	2	25
A young cylindrical cœnobium; the red points are central capsules.
Fig. 12. Collozoum inerme, Hkl.,	×	400	25
A piece of a young colony with eight small central capsules, without oil-globules. n, The central nucleus in different stages of division. Two capsules are also dividing. x, Xanthellæ in the jelly-like calymma (blue), which also contains numerous vacuoles.

PLATE 4.
Sphærozoida
Diam.			Page.
Fig. 1. Sphærozoum trigeminum, n. sp.,	×	50	43
An annular colony. The main mass of the jelly-colony is filled up by large alveoles; the entire surface is densely covered with spicula, and beyond this skeleton-cover lie the spherical central capsules, each with an oil-globule. This species is by mistake not mentioned in the text.
Fig. 2. Sphærozoum alveolatum, n. sp.,	×	50	43
Section through a spherical colony; displaying the inside of a hemisphere. All the central capsules lie in a single stratum on the surface of the jelly-sphere, each being surrounded by a thick-walled alveole. The spicula lie between the alveole and the capsule, which includes a central oil-globule.
Fig. 3. Sphærozoum alveolatum, n. sp.,	×	400	43
A single central capsule, filled up by crystal-spores. Numerous geminato-radiate spicula and spherical xanthellæ lie between the capsule and the including thick-walled alveole. In the jelly-calymma, between the capsule and the alveole, numerous thin ramified pseudopodia are expanded.
Fig. 4. Sphærozoum geminatum, n. sp.,	×	400	45
A single central capsule, with a central oil-globule, surrounded by numerous spicula and spherical xanthellæ. The jelly-substance of the calymma is expanded between the points of the spicula.
Fig. 5. Sphærozoum variabile, n. sp.,	×	300	45
Three isolated spicula.
Fig. 6. Sphærozoum pandora, n. sp. (vel Rhaphidozoum pandora),	×	300	49
A group of various spicula.
Fig. 7. Sphærozoum verticillatum, n. sp.,	×	300	44
A single spiculum.
Fig. 8. Sphærozoum arborescens, n. sp.,	×	300	44
A single spiculum.
Fig. 9. Sphærozoum armatum, n. sp.,	×	300	43
A single spiculum.

PLATE 5.
Collosphærida.
Diam.			Page.
Fig. 1. Trypanosphæra transformata, n. sp.,	×	150	111
A living colony. The centre of the spherical cœnobium contains a large alveole, surrounded by a net of sarcode. The entire calymma is filled up by smaller, thin-walled alveoles. Its inner part contains numerous small, young, central capsules (each with an oil-globule) without shells; in the cortical zone of the calymma lie larger capsules, each of which is enclosed by a fenestrated shell with from two to four or more dentated tubes. Between the radiant pseudopodia very numerous small yellow cells (xanthellæ), which are scattered everywhere.
Fig. 2. Trypanosphæra transformata, n. sp.,	×	300	111
A single shell.
Fig. 3. Trypanosphæra coronata, n. sp.,	×	300	110
Fig. 4. Trypanosphæra trepanata, n. sp.,	×	300	110
Fig. 5. Odontosphæra monodon, n. sp.,	×	300	102
Fig. 6. Odontosphæra cyrtodon, n. sp.,	×	300	102
Fig. 7. Acrosphæra inflata, n. sp.,	×	300	101
Fig. 8. Mazosphæra hippotis, n. sp.,	×	400	108
Fig. 9. Mazosphæra lagotis, n. sp.,	×	300	108
Fig. 10. Pharyngosphæra stomodæa, n. sp.,	×	400	98
Fig. 11. Buccinosphæra invaginata. n. sp.,	×	500	99
Each shell contains numerous larger and smaller crystals.
Fig. 12. Tribonosphæra centripetalis, n. sp.,	×	500	98
Each shell contains numerous large crystals.
Fig. 13. Collosphæra polygona, n. sp.,	×	200	96

PLATE 6.
Collosphærida.
Diam.			Page.
Fig. 1. Siphonosphæra socialis, n. sp.,	×	500	106
A small piece of the surface of a living cœnobium, seen from the surface. Only four individuals are visible, the central capsule of which contains numerous small nuclei and a central oil-globule. The including spherical lattice-shell is provided with a few (one to four) larger apertures, which are prolonged into short cylindrical tubules. Through these latter radiate bundles of fine pseudopodia, branching and anastomosing, and forming a fine sarcode network between the alveoles of the calymma. On the surface of the alveolated jelly-sphere the pseudopodia form a dense radiating zone. Xanthella or yellow cells are everywhere scattered.
Fig. 2. Siphonosphæra socialis, n. sp.,	×	300	106
A small cœnobium or colony in the state of alveolation, forming a jelly-sphere, composed of a great number of capsulated individuals, densely aggregated. Each central capsule contains an oil-globule, and is enclosed by a spherical lattice-shell, which bears a few (one to four) short cylindrical tubules. Each shell is again enveloped by a membranous polyhedral alveole and separated from it by structureless jelly. The thick cortical jelly-envelope, which surrounds the whole spherical colony, exhibits a fine radial striation, produced by radiating pseudopodia; many xanthellæ or yellow cells are scattered in the calymma.
Fig. 3. Siphonosphæra pipetta, n. sp.,	×	300	108
Fig. 4. Siphonosphæra tubulosa, J. Müller,	×	300	105
The central capsule, enclosed in the cavity of the shell, has a central oil-globule, and is surrounded by a few xanthella.
Fig. 5. Siphonosphæra chonophora, n. sp.,	×	300	107
Fig. 6. Siphonosphæra serpula, n. sp.,	×	300	107
Fig. 7. Siphonosphæra patinaria, n sp.,	×	300	105
The central capsule, enclosed in the cavity of the shell, contains a central oil-globule, and is surrounded by a few xanthella.
Fig. 8. Siphonosphæra patinaria, n. sp.,	×	300	105
Fig. 9. Siphonosphæra conifera, n. sp.,	×	300	106
Fig. 10. Siphonosphæra cyathina, n. sp.,	×	300	105

PLATE 7.
Collosphærida.
Diam.			Page.
Fig. 1 Caminosphæra dendrophora, n. sp.,	×	300	112
Fig. 2. Caminosphæra dichotoma, n. sp.,	×	300	112
Fig. 3. Coronosphæra diadema, n. sp.,	×	300	117
Fig. 4. Coronosphæra calycina, n. sp.,	×	300	117
Fig. 5. Otosphæra auriculata, n. sp.,	×	300	116
Fig. 6. Otosphæra polymorpha, n. sp.,	×	300	116
Fig. 7. Solenosphæra serpentina, n. sp.,	×	300	114
Fig. 8. Solenosphæra cornucopia, n. sp.,	×	300	115
Fig. 9. Solenosphæra ascensionis, n. sp.,	×	300	115
Fig. 10. Solenosphæra pandora, n. sp.,	×	300	113
Fig. 11. Solenosphæra pandora, n. sp.,	×	100	113
An entire spherical cœnobium. The shells of the colony bear a variable number of fenestrated radial tubes and are densely crowded in the jelly-sphere of the calymma, the cortical zone of which is radially striped.

PLATE 8.
Collosphærida.
Diam.			Page.
Fig. 1. Acrosphæra echinoides, n. sp.,	×	400	100
Fig. 2. Acrosphæra collina, n. sp.,	×	300	101
Fig. 3. Chænicosphæra nassiterna, n. sp.,	×	400	103
Fig. 4. Chænicosphæra murrayana, n. sp.,	×	300	102
Fig. 5. Chænicosphæra flammabunda, n. sp.,	×	300	103
Fig. 6. Clathrosphæra circumtexta, n. sp.,	×	400	118
Fig. 7. Clathrosphæra arachnoides, n. sp.,	×	300	119
Fig. 8. Clathrosphæra lamellosa, n. sp.,	×	300	119
Fig. 9. Xanthiosphæra erinacea, n. sp.,	×	400	120
Fig. 10. Xanthiosphæra lappacea, n. sp.,	×	300	120
Fig. 11. Xanthiosphæra lappacea, n. sp.,	×	100	120
A complete spherical cœnobium. The associated central capsules (each with a double shell) are densely crowded in the central part of the calymma, whilst its peripheral part is occupied by a layer of large alveoles. Numerous xanthellæ or yellow cells an scattered in the calymma.

PLATE 9.
Pylonida.
Diam.			Page.
Fig. 1. Monozonium alatum, n. sp.,	×	300	633
Dorsal view.
Fig. 1a. Apical view.
Fig. 2. Dizonium pleuracanthum, n. sp.,	×	400	636
Fig. 3. Dizonium stauracanthum, n. sp.,	×	300	636
Fig. 4. Trizonium tricinctum, n. sp.,	×	300	637
Dorsal view.
Fig. 4a. Lateral view.
Fig. 4b. Apical view.
Fig. 5. Amphipyle tetraceros, n. sp.,	×	400	642
Dorsal view.
Fig. 6. Amphipyle callizona, n. sp.,	×	300	644
Dorsal view.
Fig. 7. Amphipyle amphiptera, n. sp.,	×	300	642
Dorsal view.
Fig. 7a. Lateral view.
Fig. 8. Tetrapyle circularis, n. sp.,	×	300	645
Dorsal view.
Fig. 9. Tetrapyle pleuracantha, n. sp.,	×	400	646
Dorsal view. The lentelliptical central capsule is visible between medullary and cortical shell.
Fig. 10. Tetrapyle turrita, n. sp.,	×	400	649
Oblique view, half dorsal, half lateral.
Fig. 11. Octopyle stenozona, n. sp.,	×	400	652
Dorsal view.
Fig. 12. Octopyle sexangulata, n. sp.,	×	300	653
Dorsal view.
Fig. 13. Octopyle decastyle, n. sp.,	×	300	654
Dorsal view.
Fig. 13a. Lateral view.
Fig. 14. Pylonium quadricorne, n. sp.,	×	400	655
Dorsal view.
Fig. 15. Tetrapylonium quadrangulare, n. sp.,	×	300	658
Dorsal view.
Fig. 16. Pylozonium octacanthum, n. sp.,	×	300	660
Dorsal view.

PLATE 10.
Tholonida.
Diam.			Page.
Fig. 1. Tholartus tricolus, n. sp.,	×	200	664
Fig. 2. Tholodes cupula, n. sp.,	×	500	665
Fig. 3. Amphitholus artiscus, n. sp.,	×	400	666
Fig. 4. Amphitholus panicium, n. sp.,	×	500	668
Fig. 5. Amphitholus acanthometra, n. sp.,	×	300	667
Fig. 6. Amphitholus acanthometra, n. sp.,	×	300	667
Frontal section of the shell.
Fig. 7. Amphitholonium tricolonium, n. sp.,	×	300	669
Fig. 8. Staurotholus tetrastylus, n. sp.,	×	300	673
Fig. 9. Staurotholus dodecastylus, n. sp.,	×	400	674
Fig. 10. Tholoma quadrigeminum, n. sp.,	×	200	672
Fig. 11. Staurotholonium octodoronium, n. sp.,	×	300	676
Fig. 12. Tholocubus tessellatus, n. sp.,	×	200	677
Fig. 13. Tholoma metallasson, n. sp.,	×	300	672
Fig. 14. Cubotholus regularis, n. sp.,	×	200	680
Fig. 15. Cubotholonium ellipsoides, n. sp.,	×	300	682
Fig. 16. Tholocubus tesseralis, n. sp.,	×	400	678
Fig. 17. Tholonium hexonium,	×	400	679

PLATE 11.
Astrosphærida.
Diam.			Page.
Fig. 1. Lychnosphæra regina, n. sp.,	×	200	277
The entire shell and the central capsule. Numerous club-shaped radial apophyses or cœcal sacs arise from the pink central capsule and are protruded through the pores of the medullary shell, which is completely hidden by them. The sarcomatrix in the calymma, surrounding the central capsule, exhibits a fine radial striation. Numerous retracted pseudopodia, bearing red granules, arise from the sarcomatrix and pierce the calymma radially. The interval between the two concentric shells is filled up by the hyaline calymma.
Fig. 2. Lychnosphæra regina, n. sp.,	×	400	277
A part of the cortical shell, with a radial spine.
Fig. 3. Lychnosphæra regina, n. sp.,	×	400	277
The medullary shell and the basal parts of the radial spines arising from it.
Fig. 4. Lychnosphæra regina, n. sp.,	×	400	277
Distal end of a radial spine.
Fig. 5. Rhizoplegma lychnosphæra, n. sp.,	×	200	276
The central capsule and the enclosed parts of the skeleton. The protoplasm is radially striped. The central nucleus (red) sends out numerous radial apophyses, which are protruded through the pores of the medullary shell.

PLATE 12.
Orosphærida, Astrosphærida et Liosphærida.
Diam.			Page.
Fig. 1. Orosphæra huxleyii, n. sp. (vel Oroscena huxleyii),	×	50	1599
Fig. 1a. A piece of the network, the bars of which contain partly an axial canal,	×	200	1599
Fig. 2. Conosphæra orthoconus, n. sp.,	×	200	221
Fig. 3. Conosphæra platyconus, n. sp.,	×	300	221
Fig. 4. Conosphæra plagioconus, n. sp.,	×	300	222
Fig. 5. Ethmosphæra conosiphonia, n. sp.,	×	400	69
Fig. 5a. Vertical section through the wall.
Fig. 6. Ethmosphæra polysiphonia, n. sp.,	×	400	70
Fig. 7. Cenosphæra compacta, n. sp.,	×	300	65
Fig. 8. Cenosphæra elysia, n. sp.,	×	300	64
Fig. 8a. Vertical section through the wall.
Fig. 9. Cenosphæra mellifica, n. sp.,	×	300	62
Fig. 10. Cenosphæra favosa, n. sp.,	×	300	62
Fig. 10a. Vertical section through the wall.
Fig. 11. Cenosphæra vesparia, n. sp.,	×	300	62
Fig. 11a. Vertical section through the wall.

PLATE 13.
Stylosphærida et Ellipsida.
Diam.			Page.
Fig. 1. Ellipsostylus aquila, n. sp.,	×	300	300
Fig. 2. Ellipsostylus hirundo, n. sp.,	×	300	301
Fig. 3. Ellipsostylus columba, n. sp.,	×	300	300
Fig. 4. Xiphostylus alcedo, n. sp.,	×	400	127
Fig. 5. Xiphostylus edolius, n. sp.,	×	400	130
Fig. 6. Ellipsostylus psittacus, n. sp.,	×	400	300
Fig. 7. Stylostaurus caudatus, n. sp.,	×	400	157
Fig. 8. Ellipsostylus ciconia, n. sp.,	×	300	300
Fig. 9. Xiphostylus phasianus, n. sp.,	×	400	127
Fig. 10. Xiphostylus trochilus, n. sp.,	×	300	129
Fig. 11. Xiphostylus emberiza, n. sp.,	×	300	131
Fig. 12. Saturnalis circoideus, n. sp.,	×	400	132
Not fully developed.
Fig. 13. Xiphostylus alca, n. sp.,	×	300	130
Fig. 14. Xiphostylus falco, n. sp.,	×	300	130
Fig. 15. Saturnalis rotula, n. sp.,	×	400	133
Fig. 16. Saturnalis annularis, n. sp.,	×	400	132

PLATE 14.
Stylosphærida et Ellipsida.
Diam.			Page.
Fig. 1. Ellipsoxiphus atractus, n. sp.,	×	300	298
Fig. 2. Xiphosphæra venus, n. sp.,	×	300	123
Fig. 3. Ellipsoxiphus claviger, n. sp.,	×	300	297
Fig. 4. Xiphosphæra pallas, n. sp.,	×	400	124
Fig. 5. Xiphosphæra gæa, n. sp.,	×	400	123
Fig. 6. Xiphosphæra vesta, n. sp.,	×	300	126
Fig. 7. Ellipsoxiphus elegans, n. sp., var. palliatus,	×	400	296
Fig. 8. Lithapium halicapsa, n. sp.,	×	300	303
Fig. 9. Lithapium pyriforme, n. sp.,	×	300	303
Fig. 10. Lithapium monocyrtis, n. sp.,	×	300	304
Fig. 11. Ellipsoxiphus bipolaris, n. sp.,	×	600	297
Fig. 12. Xiphostylus trogon, n. sp.,	×	400	129
Fig. 13. Xiphostylus picus, n. sp.,	×	300	129
Fig. 14. Lithomespilus flammabundus, n. sp.,	×	400	303
Fig. 15. Xiphostylus alauda, n. sp.,	×	400	128
Fig. 16. Lithomespilus phloginus, n. sp.,	×	600	302
Fig. 17. Lithomespilus phlogoides, n. sp.,	×	600	302

PLATE 15.
Staurosphærida et Druppulida.
Diam.			Page.
Fig. 1. Cromyatractus tetracelyphus, n. sp.,	×	300	335
Fig. 1a. The two inner medullary shells.
Fig. 2. Cromyatractus tetraphractus, n. sp.,	×	300	335
Fig. 3. Cromyatractus cepicius, n. sp.,	×	300	336
The spongy distal part of a polar spine.
Fig. 4. Cromyatractus ceparius, n. sp. (vel Caryostylus ceparius),	×	300	336
Fig. 5. Staurolonche pertusa, n. sp.,	×	300	159
Fig. 5a. Its medullary shell.
Fig. 6. Staurosphæra philippi, n. sp.,	×	300	154
Fig. 7. Stauroxiphus gladius, n. sp.,	×	400	163
Fig. 8. Staurocaryum arborescens, n. sp.,	×	300	167
Fig. 9. Rhizoplegma radicatum, n. sp.,	×	200	276
Fig. 9a. The medullary shell, which is completely hidden in fig. 9 by the numerous club-shaped apophyses of the central capsule.

PLATE 16.
STYLOSPHÆRIDA et Druppulida.
Diam.			Page.
Fig. 1. Stylosphæra melpomene, n. sp.,	×	300	135
Fig. 2. Lithatractus jugatus, n. sp., (vel Stylosphæra jugata),	×	400	323
Fig. 3. Lithatractus fragilis, n. sp. (vel Stylosphæra fragilis),	×	400	319
Fig. 4. Stylosphæra lithatractus, n. sp.,	×	300
The entire shell.
Fig. 5. Stylosphæra lithatractus, n. sp.,	×	300
The greater part of the cortical shell and the two spines taken off.
The description of Stylosphæra lithatractus (intermediate between Stylosphæra jugata and Stylosphæra terpsichore, p. 137) is by mistake not given in the text.
Fig. 6. Stylosphæra calliope, n. sp.,	×	400	134
Fig. 7. Stylosphæra clio, n. sp.,	×	400	134
Fig. 8. Druppatractus ostracion, n. sp.,	×	300	326
The entire shell.
Fig. 9. Druppatractus ostracion, n. sp.,	×	300	326
The anterior half of the cortical shell has been removed.
Fig. 10. Druppatractus hippocampus, n. sp.,	×	300	324
The entire shell.
Fig. 11. Druppatractus hippocampus, n. sp.,	×	300	324
The greater part of the cortical shell has been removed.
Fig. 12. Stylosphæra nana, n. sp.,	×	300	136
The entire shell
Fig. 13. Stylosphæra nana, n. sp.,	×	300	136
The greater part of the cortical shell taken off.
Fig. 14. Sphærostylus ophidium, n. sp.,	×	300	140
The entire shell.
Fig. 15. Sphærostylus ophidium, n. sp.,	×	300	140
The medullary shell alone.
Fig. 16. Saturnulus ellipticus, n. sp.,	×	400	141
Fig. 17. Saturnulus planetes, n. sp.,	×	400	142

PLATE 17.
Stylosphærida, Druppulida et Spongurida.
Diam.			Page.
Fig. 1. Stylatractus giganteus, n. sp. (vel Amphistylus giganteus),	×	300	329
Fig. 2. Stylatractus sethoporus, n. sp.,	×	400	330
The greater part of the cortical shell taken off.
Fig. 3. Stylatractus sethoporus, n. sp.,	×	400	330
The entire cortical shell.
Fig. 4. Stylatractus compactus, n. sp.,	×	400	329
Fig. 5. Amphisphæra cronos, n. sp. (vel Amphistylus cronos),	×	400	144
Fig. 6. Stylatractus neptunus, n. sp. (vel Amphisphæra neptunus),	×	300	328
Fig. 7. Amphisphæra pluto, n. sp.,	×	300	144
The entire cortical shell.
Fig. 8. Amphisphæra pluto, n. sp.,	×	300	144
Meridional section through the three concentric shells.
Fig. 9. Xiphatractus glyptodon, n. sp.,	×	400	334
The entire cortical shell.
Fig. 10. Xiphatractus glyptodon, n. sp.,	×	400	334
The greater part of the cortical shell taken off.
Fig. 11. Xiphatractus armadillo, n. sp.,	×	400	332
Fig. 12. Spongoxiphus prunococcus, n. sp.,	×	300	354
The spongy cortical shell.
Fig. 13. Spongoxiphus prunococcus, n. sp.,	×	600	354
The two concentric latticed medullary shells.

PLATE 18.
Liosphærida et Astrosphærida.
Diam.			Page.
Fig. 1. Centrocubus cladostylus, n. sp.,	×	100	278
Fig. 2. Octodendron spathillatum, n. sp.,	×	300	280
The entire inner shell, but a small part only of the outer shell is represented.
Fig. 3. Octodendron cubocentron, n. sp.,	×	400	279
The central capsule (somewhat irregular by compression?) exhibits a large excentric nucleus (probably dislocated artificially?).
Fig. 4. Octodendron spathillatum, n. sp.,	×	800	280
Free distal end of a radial spine, with the spathillæ on the end of the branches.
Fig. 5. Rhizosphæra serrata, n. sp.,	×	300	284
Fig. 6. Rhizosphæra serrata, n. sp.,	×	300	284
Medullary shell.
Fig. 7. Rhizosphæra serrata, n. sp.,	×	600	284
A single radial spine.
Fig. 8. Plegmosphæra exodictyon, n. sp.,	×	200	89
The central shell-cavity encloses the spherical central capsule and the concentric nucleus.
Fig. 9. Spongodrymus elaphococcus, n. sp.,	×	150	272
The entire inner shell, but only a small part of the outer spongy envelope is represented.

PLATE 19.
Astrosphærida.
Diam.			Page.
Fig. 1. Drymosphæra polygonalis, n. sp.,	×	200	249
Fig. 2. Leptosphæra hexagonalis, n. sp.,	×	200	244
Showing the central capsule (forming numerous club-shaped protuberances) and the simple spherical nucleus in its centre. The skeleton is nearly the same as in Diplosphæra hexagonalis (fig. 3).
Fig. 3. Diplosphæra hexagonalis, n. sp.,	×	200	246
The spherical central capsule, with radially striped protoplasm, is enclosed in the inner shell, and exhibits in its centre the clear spherical nucleus.
Fig. 4. Astrosphæra hexagonalis, n. sp.,	×	300	250
Fig. 5. Astrosphæra stellata, n. sp.,	×	300	251
The central capsule, enclosed in the inner shell, exhibits a distinct radial striation of the protoplasm, and in the centre a clear spherical nucleus.
Fig. 6. Haliomma rhodococcus, n. sp. (vel Sethosphæra rhodococcus),	×	400	237
The greater part of the outer shell is removed.

PLATE 20.
Liosphærida et Astrosphærida.
Diam.			Page.
Fig. 1. Drymosphæra dendrophora, n. sp.,	×	300	249
Fig. 1a. Meridional section through the central capsule. In the centre the large spherical nucleus is visible. The protoplasm around it is distinctly radiate. From the central capsule arise numerous club-shaped apophyses or cæcal sacs, which are protruded through the meshes of the inner shell,	×	300
Fig. 1b. Basal part of a single radial spine, and its connection with the network of the two shells,	×	400
Fig. 2. Liosphæra polypora, n. sp.,	×	300	78
The greater part of the outer shell is removed.
Fig. 3. Liosphæra hexagonia, n. sp.,	×	400	76
Fig. 4. Carposphæra melitomma, n. sp. (vel Melitomma melittosphæra),	×	400	73

PLATE 21.
Cubosphærida.
Diam.			Page.
Fig. 1. Hexastylus cochleatus, n. sp.,	×	400	174
From the central capsule, enclosed in the shell, numerous delicate radial pseudopodia arise, which are protruded through the pores of the shell.
Fig. 2. Hexastylus triaxonius, n. sp.,	×	400	175
Fig. 3. Hexastylus phænaxonius, n. sp.,	×	300	171
Fig. 4. Hexastylus thaletis, n. sp.,	×	400	172
Fig. 5. Hexastylus minimus, n. sp.,	×	400	172
Fig. 6. Hexastylus dimensivus, n. sp.,	×	400	175
Fig. 7. Hexastylus spiralis, n. sp.,	×	400	177
Fig. 8. Hexastylus dictyotus, n. sp.,	×	400	176
Fig. 9. Hexastylus dictyotus, n. sp.,	×	400	176
Central capsule with concentric nucleus and nucleolus; the protoplasm is radially striped.
Fig. 10. Hexastylus marginatus, n. sp.,	×	400	176
Fig. 10a. Radial section through the shell-wall.
Fig. 11. Hexastylus solonis, n. sp.,	×	400	173
Fig. 12. Hexastylus contortus, n. sp.,	×	300	177

PLATE 22.
Cubosphærida.
Diam.			Page.
Fig. 1. Hexalonche pythagoræa, n. sp.,	×	300	185
Fig. 2. Hexalonche conicornis, n. sp.,	×	300	181
Fig. 3. Hexalonche aristarchi, n. sp.,	×	400	185
Fig. 4. Hexalonche philosophica, n. sp.,	×	400	186
Fig. 5. Hexalonche anaximandri, n. sp.,	×	400	182
Fig. 6. Hexalonche octocolpa, n. sp.,	×	300	183
Fig. 6a. The inner shell alone.
Fig. 7. Hexalonche heracliti, n. sp.,	×	300	187
Fig. 8. Hexalonche octahedra, n. sp.,	×	400	181
Fig. 8a. The inner shell alone.
Fig. 9. Hexancistra tricuspis, n. sp.,	×	300	188
Fig. 10. Hexancistra triserrata, n. sp.,	×	300	188
Fig. 11. Hexancistra quadricuspis, n. sp.,	×	300	189

PLATE 23.
Cubosphærida.
Diam.			Page.
Fig. 1. Hexadendron bipinnatum, n. sp.,	×	400	200
Fig. 2. Hexacromyum octahedrum, n. sp.,	×	400	202
Fig. 3. Hexancistra mirabilis, n. sp. (= Hexapitys mirabilis),	×	400	189
The spherical central capsule encloses the concentric spherical inner shell (which is filled up by the nucleus), and is surrounded by the octahedral outer shell. The latter is enveloped by the octahedral calymma, which is radially striated and contains numerous xanthellæ.
Fig. 4. Hexacaryum arborescens, n. sp.,	×	400	203
Fig. 5. Hexacontium clavigerum, n. sp.,	×	300	19

PLATE 24.
Cubosphærida.
Diam.			Page.
Fig. 1. Hexacontium sceptrum, n. sp.,	×	400	194
Fig. 1a. The two medullary shells.
Fig. 2. Hexacontium favosum, n. sp.,	×	400	194
Fig. 2a. The two medullary shells.
Fig. 3. Hexacontium axotrias, n. sp.,	×	300	192
The six lattice-plates, which form the cortical shell, are not yet fully developed.
Fig. 4. Hexacontium floridum, n. sp.,	×	300	195
Fig. 4a. The two medullary shells.
Fig. 5. Hexacontium papillosum, n. sp.,	×	400	197
Fig. 5a. The two medullary shells.
Fig. 6. Hexacontium lævigatum, n. sp.,	×	400	193
The contours of the two medullary shells are visible in the centre.
Fig. 7. Hexacontium prionacanthum, n. sp.,	×	400	195
Fig. 7a. The two medullary shells, connected with a fragment of the cortical shell.
Fig. 8. Cubosphæra cubaxonia, n. sp.,	×	400	203
Fig. 8a. A single radial spine.
Fig. 9. Hexacromyum elegans, n. sp.,	×	400	201
A part of the two cortical shells is broken off.

PLATE 25.
Cubosphærida.
Diam.			Page.
Fig. 1. Hexadoridium streptacanthum, n. sp.,	×	400	206
Fig. 1a. The two concentric medullary shells.
Fig. 2. Hexalonche amphisiphon, n. sp.,	×	300	182
Fig. 2a. Medullary shell connected with a fragment of the cortical shell.
Fig. 2b. Vertical section through the wall of the cortical shell. (Below the centre of the Plate, also lettered 3a by mistake.)
Fig. 3. Hexalonche rosetta, n. sp.,	×	400	180
Fig. 3a. Medullary shell.
Fig. 3b. Vertical section through the wall of the cortical shell.
Fig. 4. Hexalonche curvicornis, n. sp.,	×	300	181
Outer shell not yet complete, or partly broken off (?).
Fig. 5. Hexalonche anaximenis, n. sp.,	×	400	183
Fig. 6. Hexalonche hystricina, n. sp.,	×	300	187
Fig. 7. Hexacontium circumtextum, n. sp.,	×	400	193
Fig. 7a. Vertical section through the double wall of the cortical shell.
Fig. 8. Hexacontium gladiatum, n. sp.,	×	400	198
A part of the two outer shells and of the radial spines is broken off.

PLATE 26.
Liosphærida et Astrosphærida.
Diam.			Page.
Fig. 1. Coscinomma amphisiphon, n. sp.,	×	300	222
Fig. 1a. A piece of the lattice-shell,	×	600
Fig. 1b. Vertical section through the shell-wall,	×	600
Fig. 2. Heliosphæra hexagonaria, n. sp.,	×	300	217
Fig. 3. Acanthosphæra castanea, n. sp.,	×	400	211
Fig. 4. Acanthosphæra angulata, n. sp.,	×	300	216
Fig. 5. Acanthosphæra reticulata, n. sp.,	×	300	217
Fig. 6. Heliosphæra coronata, n. sp.,	×	400	219
Fig. 6a. A single pore with its coronal,	×	300
Fig. 7. Acanthosphæra mucronata, n. sp.,	×	400	212
Fig. 8. Acanthosphæra clavata, n. sp.,	×	400	212
Fig. 9. Heliosphæra pectinata, n. sp.,	×	400	218
Fig. 10. Cenosphæra perforata, n. sp.,	×	400	66
Fig. 11. Cenosphæra coronata, n. sp.,	×	400	67

PLATE 27.
Astrosphærida.
Diam.			Page.
Fig. 1. Cladococcus pinetum, n. sp.,	×	300	226
Fig. 2. Cladococcus scoparius, n. sp.,	×	300	225
Fig. 3. Cladococcus abietinus, n. sp.,	×	300	226
The central capsule, enclosed originally in the shell, sends out numerous club-shaped apophyses through the pores of the lattice-sphere. The central spherical nucleus fills up half the shell-cavity.
Fig. 4. Cladococcus stalactites, n. sp.,	×	300	227
Fig. 5. Cladococcus dendrites, n. sp.,	×	200	227

PLATE 28.
Liosphærida et Astrosphærida.
Diam.			Page.
Fig. 1. Haliomma lirianthus, n. sp.,	×	300	232
Fig. 1a. Medullary shell,	×	300
Fig. 1b. Three pores of the cortical shell,	×	900
Fig. 2. Carposphæra nodosa, n. sp.,	×	300	76
Fig. 2a. The medullary shell is visible, the upper half of the cortical shell being taken off,	×	300
Fig. 3. Heliosoma radians, n. sp.,	×	300	240
Fig. 3a. Medullary shell,	×	300
Fig. 4. Heliosoma hastatum, n. sp.,	×	400	241
Fig. 5. Haliomma compactum, n. sp.,	×	400	239
Fig. 5a. The upper half of the cortical shell is removed,	×	300
Fig. 6. Haliomma macrodoras, n. sp.,	×	400	238
Fig. 7. Haliomma circumtextum, n sp.,	×	400	233
Fig. 8. Elatomma juniperinum, n. sp.,	×	400	243
Fig. 8a. Medullary shell,	×	400

PLATE 29.
Astrosphærida.
Diam.			Page.
Fig. 1. Echinomma toxopneustes, n. sp.,	×	400	259
Fig. 2. Echinomma sphærechinus, n. sp.,	×	400	258
Fig. 3. Actinomma denticulatum, n. sp.,	×	400	254
Fig. 4. Actinomma pachyderma, n. sp.,	×	400	254
The half of the cortical shell is removed.
Fig. 5. Actinomma pachyderma, n. sp.,	×	400	254
Fig. 6. Actinomma capillaceum, n. sp.,	×	300	255
Fig. 7. Actinomma arcadophorum, n. sp.,	×	400	255
A part of the two outer shells is removed.
Fig. 8. Actinomma arcadophorum, n. sp.,	×	400	255
Inner medullary shell.
Fig. 9. Pityomma drymodes, n. sp.,	×	300	260
A part of the two outer shells is removed.

PLATE 30.
Liosphærida et Astrosphærida.
Diam.			Page.
Fig. 1. Cromyechinus icosacanthus, n. sp.,	×	300	263
Fig. 2. Cromyomma villosum, n. sp.,	×	300	261
Fig. 3. Cromyechinus dodecacanthus, n. sp.,	×	400	264
Fig. 3a. The innermost shells.
Fig. 4. Cromyomma circumtextum, n. sp.,	×	300	262
Fig. 5. Cromyomma mucronatum, n. sp.,	×	200	263
Fig. 5a. The innermost shells.
Fig. 6. Cromyodrymus abietinus, n. sp.,	×	300	265
Fig. 7. Cromyodrymus quadricuspis, n. sp.,	×	400	264
Fig. 7a. The inner concentric shells.
Fig. 8. Cromyomma perspicuum, n. sp.,	×	300	262
Fig. 9. Cromyosphæra quadruplex, n. sp.,	×	300	84
Fig. 9a. The innermost shells.

PLATE 31.
Cenodiscida et Phacodiscida.
Diam.			Page.
Fig. 1. Sethostaurus orthostaurus, n. sp.,	×	300	433
Fig. 2. Sethostaurus orthostaurus, n. sp.,	×	300	433
Vertical section through the centrum.
Fig. 3. Sethostaurus recurvatus, n. sp.,	×	100	434
Optical section through the equatorial plane.
Fig. 4. Sethostaurus rhombostaurus, n. sp.,	×	100	434
Optical section through the equatorial plane.
Fig. 5. Sethostaurus cruciatus, n. sp. (vel Heliostaurus cruciatus),	×	300	434
Fig. 6. Phacostaurus oceanidum, n. sp.,	×	300	435
Fig. 7. Phacostaurus magnificus, n. sp.,	×	400	436
Fig. 8. Phacostaurus magnificus, n. sp.,	×	200	436
Vertical section through the centrum.
Fig. 9. Sethostylus distyliscus, n. sp.,	×	400	428
Fig. 10. Sethostylus dicylindrus, n. sp.,	×	300	428
Marginal view.
Fig. 11. Stylodiscus endostylus, n. sp. (vel Sethostylus endostylus),	×	300	413
Fig. 12. Phacostylus amphistylus, n. sp.,	×	300	430

PLATE 32.
Phacodiscida.
Diam.			Page.
Fig. 1. Astrophacus solaris, n. sp.,	×	300	453
Fig. 2. Astrophacus apollinis, n. sp.,	×	300	455
Fig. 3. Astrophacus phacodiscus, n. sp.,	×	300	454
Vertical section through the centrum.
Fig. 4. Astrosestrum ephyra, n. sp.,	×	300	442
Fig. 4a. Transverse section through the double medullary shell,	×	300	442
Fig. 5. Astrosestrum nauphanta, n. sp.,	×	300	442
Fig. 6. Phacostylus caudatus, n. sp. (vel Astrosestrum caudatum),	×	200	431
Fig. 7. Perizona scutella, n. sp.,	×	400	427
Fig. 8. Perizona pterygota, n. sp.,	×	400	427
Fig. 8a. Medullary shells and radial beams connecting them with the disk,	×	300	427

PLATE 33.
Phacodiscida.
Diam.			Page.
Fig. 1. Sethodiscus lenticula, n. sp.,	×	300	423
Fig. 2. Sethodiscus lenticula, n. sp.,	×	300	423
Vertical section.
Fig. 3. Sethodiscus macrococcus, n. sp.,	×	300	423
Young shell, not yet closed, seen from the margin.
Fig. 4. Periphæna cincta, n. sp.,	×	400	426
Fig. 5. Triactiscus tricuspis, n. sp.,	×	300	432
Marginal view.
Fig. 6. Triactiscus tripyramis, n. sp.,	×	400	432
Fig. 7. Heliodiscus cingillum, n. sp.,	×	300	448
Fig. 8. Heliodiscus asteriscus, n. sp.,	×	300	445
Fig. 9. Heliodrymus dendrocyclus, n. sp.(vel Heliocladus dendrocyclus),	×	300	451

PLATE 34.
Phacodiscida.
Diam.			Page.
Fig. 1. Sethostylus dentatus, n. sp. (vel Heliostylus dentatus),	×	300	429
Upper half of the disk.
Fig. 2. Sethostylus serratus, n. sp. (vel Heliostylus serratus),	×	300	429
Lower half of the disk.
Fig. 3. Heliosestrum octonum, n. sp.,	×	300	440
Fig. 4. Heliodiscus solaster, n. sp.,	×	300	447
Fig. 5. Heliodiscus echiniscus, n. sp.,	×	400	448
Fig. 6. Heliosestrum medusinum, n. sp.,	×	300	438
Fig. 7. Sethostaurus conostaurus, n. sp.,	×	100	433
Normal form with four regular spines.
Fig. 8. Sethostaurus conostaurus, n. sp.,	×	100	433
Abnormal form with five spines.
Fig. 9. Heliodiscus marginatus, n. sp.,	×	100	449
Fig. 10. Heliodiscus trochiscus, n. sp.,	×	100	445
Fig. 11. Heliodiscus polymorphus, n. sp.,	×	100	447
Fig. 12. Heliodiscus polymorphus, n. sp.,	×	100	447
Fig. 13. Heliodiscus trochiscus, n. sp.,	×	100	445
Fig. 14. Astrophacus trochiscus, n. sp.,	×	100	453

PLATE 35.
Phacodiscida.
Diam.			Page.
Fig. 1. Heliodiscus pertusus, n. sp. (vel Heliosestrum pertusum),	×	400	448
Irregular form with ten (instead of eight) larger latticed spines.
Fig. 2. Heliodiscus glyphodon, n. sp. (vel Heliosestrum glyphodon),	×	300	446
Fig. 3. Heliodrymus ramosus, n. sp.,	×	300	452
Fig. 4. Heliodrymus ramosus, n. sp.,	×	500	452
Medullary shell and a segment of the disk.
Fig. 5. Heliodrymus viminalis, n. sp.,	×	400	452
Marginal view.
Fig. 6. Phacodiscus clypeus, n. sp.,	×	400	425
Fig. 7. Phacodiscus rotula, n. sp.,	×	400	424
Marginal view.
Fig. 8. Phacodiscus lentiformis, n. sp.,	×	400	425
Vertical section nearly through the centre.
Fig. 9. Phacodiscus clypeus, n. sp.,	×	400	425
Vertical section nearly through the centre.

PLATE 36.
Coccodiscida.
Diam.			Page.
Fig. 1. Coccodiscus lamarckii, n. sp.,	×	500	459
The left half of the figure represents a horizontal section through the peripheral shell, the right half a view of the surface.
Fig. 2. Coccodiscus gœthei, n. sp.,	×	500	461
Vertical section nearly through the centre.
Fig. 3. Lithocyclia lenticula, n. sp.,	×	400	459
Fig. 4. Lithocyclia lenticula, n. sp.,	×	400	459
Vertical section through the centre.
Fig. 5. Coccocyclia helianthus, n. sp.,	×	400	468
Fig. 6. Coccocyclia helianthus, n. sp.,	×	500	468
Vertical section through the outer medullary shell, showing the inner.
Fig. 7. Astrocyclia solaster, n. sp.,	×	300	466
Fig. 8. Astrocyclia heterocycla, n. sp.,	×	400	468
Horizontal section through the equatorial plane.

PLATE 37.
Coccodiscida.
Diam.			Page.
Fig. 1. Staurocyclia cruciata, n. sp.,	×	400	465
Fig. 2. Staurocyclia phacostaurus, n. sp.,	×	300	465
Fig. 3. Staurocyclia phacostaurus, n. sp.,	×	300	465
Vertical section through the centre.
Fig. 4. Staurocyclia magniducis, n. sp. (Coccostaurus magniducis),	×	300	466
Fig. 5. Trigonocyclia triangularis, n. sp.,	×	400	464
Fig. 6. Stylocyclia prionacantha, n. sp.,	×	500	462
A great part of the peripheral shell is removed.
Fig. 7. Amphicyclia amphistyla, n. sp.,	×	300	464
Vertical section through the centre.
Fig. 8. Stylocyclia excavata, n. sp.,	×	200	463
Vertical section through the centre.

PLATE 38.
Coccodiscida.
Diam.			Page.
Fig. 1. Amphicyclia chronometra, n. sp.,	×	400	463
Fig. 2. Amphicyclia pachydiscus, n. sp.,	×	500	464
Vertical section through the centre.
Fig. 3. Amphiactura amphibrachia, n. sp.,	×	300	470
Fig. 4. Amphiactura amphibrachia, n. sp.,	×	150	470
Vertical section through the centre.
Fig. 5. Diplactura diploconus, n. sp.,	×	300	470
Fig. 6. Trigonactura triacantha, n. sp.,	×	200	472
Fig. 7. Trigonactura triacantha, n. sp.,	×	400	472
Vertical section nearly through the centre.
Fig. 8. Hymenactura archimedis, n. sp.,	×	300	473
Fig. 9. Hymenactura copernici, n. sp.,	×	200	475

PLATE 39.
Ellipsida, Druppulida, Artiscida et Cyphinida.
Diam.			Page.
Fig. 1. Cenellipsis faceta, n. sp. (vel Ellipsis faceta),	×	300	291
Fig. 2. Cenellipsis infundibulum, n. sp. (vel Ellipsis infundibulum),	×	300	292
Fig. 3. Druppula pandanus, n. sp. (vel Coccymelium pandanus),	×	300	308
Fig. 4. Prunulum coccymelium, n. sp. (vel Coccymelium prunulum),	×	300	313
Fig. 5. Prunocarpus artocarpium, n. sp. (vel Artocarpium indicum),	×	300	316
Fig. 6. Pipettella prismatica, n. sp.,	×	300	305
Fig. 7. Pipetta tuba, n. sp.,	×	300	337
Fig. 8. Pipetta fusus, n. sp.,	×	300	337
Fig. 8a. The enclosed medullary shell.
Fig. 9. Artiscus nodosus, n. sp. (vel Artidium nodosum),	×	400	356
Fig. 10. Cannartus violina, n. sp.,	×	300	358
Fig. 11. Cyphonium cribellum, n. sp.,	×	200	365
Fig. 12. Cyphonium virgineum, n. sp. (vel Ommatospyris virginea),	×	400	363
Fig. 12a. Vertical section through the double medullary shell.
Fig. 13. Cypassis puella, n. sp. (vel Didymospyris puella),	×	400	367
The enclosed central capsule is visible.
Fig. 14. Cyphinus amphilophus, N. sp.,	×	300	370
Fig. 15. Pipettaria tubaria, n. sp.,	×	300	339
Fig. 16. Cannartidium mammiferum, n. sp.,	×	300	375
Fig. 17. Cannartidium mastophorum, n. sp.,	×	150	375
Fig. 18. Cannartidium bicinctum, n. sp.,	×	300	374
Fig. 18a. Vertical section through the main axis.
Fig. 19. Cannartiscus amphiconiscus, n. sp.,	×	300	372

PLATE 40.
Panartida et Zygartida.
Diam.			Page.
Fig. 1. Panartus diploconus, n. sp.,	×	300	379
Fig. 2. Panartus pluteus, n. sp.,	×	300	382
Fig. 3. Panartus tetrathalamus, n. sp.,	×	300	378
Fig. 4. Panicium coronatum, n. sp. (vel Panartidium coronatum),	×	300	386
Fig. 5. Peripanartus amphiconus, n. sp.,	×	300	383
Fig. 6. Peripanartus cylindrus, n. sp.,	×	150	384
Fig. 7. Peripanartus atractus, n. sp.,	×	300	384
Fig. 8. Peripanicium amphicorona, n. sp.,	×	300	387
Fig. 9. Panarium tubularium, n. sp.,	×	300	390
Fig. 10. Ommatocampe nereides, n. sp.,	×	300	394
Fig. 11. Cyphocolpus virginis, n. sp. (vel Zygartus virginis)	×	300	369
Fig. 12. Desmartus larvalis, n. sp. (vel Zygartus larvalis),	×	300	398
Fig. 13. Zygartus chrysalis, n. sp. (vel Zygocampe chrysalis),	×	400	401

PLATE 41.
Porodiscida et Spongodiscida.
Diam.			Page.
Fig. 1. Porodiscus flustrella, n. sp.,	×	300	493
Fig. 2. Porodiscus perispira, n. sp.,	×	200	495
The rings alone (equatorial section).
Fig. 3. Porodiscus quadrigatus, n. sp.,	×	200	494
The rings alone (equatorial section).
Fig. 4. Porodiscus semispiralis, n. sp.,	×	500	497
Fig. 5. Perichlamydium saturnus, n. sp.,	×	300	499
Fig. 6. Porodiscus centrospira, n. sp. (vel Perispongidium centrospira),	×	200	495
The rings alone (equatorial section).
Fig. 7. Porodiscus irregularis, n. sp. (vel Perispongidium irregulare),	×	200	498
The rings alone (equatorial section).
Fig. 8. Stylodictya heliospira, n. sp.,	×	400	512
Fig. 9. Stylodictya centrospira, n. sp.,	×	400	512
Fig. 10. Stylochlamydium asteriscus, n. sp.,	×	400	514
Fig. 11. Stylotrochus geddesii, n. sp.,	×	300	585

PLATE 42.
Porodiscida.
Diam.			Page.
Fig. 1. Staurodictya elegans, n. sp.,	×	500	507
Fig. 2. Staurodictya ciliata, n. sp.,	×	400	506
Fig. 3. Staurodictya medusa, n. sp.,	×	400	506
Fig. 4. Staurodictya cruciata, n. sp.,	×	300	507
Fig. 5. Staurodictya cruciata, n. sp.,	×	300	507
Vertical section through the disk.
Fig. 6. Staurodictya grandis, n. sp.,	×	300	508
Vertical section through the disk.
Fig. 7. Tripodictya triacantha, n. sp.,	×	400	505
Fig. 8. Tripodictya trigonaria, n. sp.,	×	400	505
Fig. 9. Tripodictya tribelonia, n. sp.,	×	400	505
Vertical section through the disk.
Fig. 10. Xiphodictya amphibelonia, n. sp.,	×	300	503
Marginal view.
Fig. 11. Xiphodictya amphirrhopalia, n. sp.,	×	400	504
Fig. 12. Xiphodictya staurospira, n. sp.,	×	500	504

PLATE 43.
Porodiscida.
Diam.			Page.
Fig. 1. Rhopalastrum malleus, n. sp.,	×	100	527
Fig. 2. Rhopalastrum ypsilinum, n. sp.,	×	50	528
Fig. 3. Rhopalastrum hexaceros, n. sp.,	×	100	529
Fig. 4. Rhopalastrum triceros, n. sp.,	×	50	529
Fig. 5. Rhopalastrum trispinosum, n. sp. (vel Dictyastrum trispinosum),	×	150	525
Fig. 6. Rhopalastrum arcticum, n. sp.,	×	300	539
Fig. 7. Rhopalastrum hexagonum, n. sp. (vel Dictyastrum hexagonum),	×	100	525
Fig. 8. Rhopalastrum irregulare, n. sp.,	×	100	528
Fig. 9. Euchitonia lanceolata, n. sp.,	×	80	534
Fig. 10. Euchitonia carcinus, n. sp.,	×	300	535
Fig. 11. Euchitonia echinata, n. sp.,	×	120	536
Fig. 12. Euchitonia stohrii, n. sp.,	×	100	534
Fig. 13. Hymeniastrum euclidis, n. sp.,	×	200	531
Fig. 14. Chitonastrum jugatum, n. sp.,	×	200	537
Fig. 15. Chitonastrum lyra, n. sp.,	×	500	538
A living specimen observed. The entire shell is enveloped by the calymma and surrounded by radiating pseudopodia (drawn much too short). Between the two paired arms arises a large "sarcode-flagellum." The central chamber and the first enveloping ring are filled by the clear nucleus; the other rings and all the chambers of the arms contain numerous pink oil-globules.
Fig. 16. Trigonastrum regulare, n. sp. (vel Chitonastrum regulare),	×	200	539

PLATE 44.
Porodiscida.
Diam.			Page.
Fig. 1. Stephanastrum capitatum, n. sp.,	×	200	549
Fig. 2. Pentinastrum asteriscus, n. sp.,	×	300	557
Fig. 3. Pentalastrum ophidiaster, n. sp.,	×	100	557
Fig. 4. Hexinastrum geryonidum, n. sp.,	×	300	560
Fig. 5. Hexalastrum orchidaceum, n. sp.,	×	50	560
Fig. 6. Amphibrachium dilatatum, n. sp.,	×	50	517
Fig. 7. Amphymenium zygartus, n. sp.,	×	400	520
Fig. 8. Amphymenium pupula, n. sp.,	×	300	519
Fig. 9. Amphymenium amphistylium, n. sp.,	×	200	520
Fig. 10. Amphicraspedum murrayanum, n. sp.,	×	300	523
Fig. 11. Amphymenium monstrosum, n. sp.,	×	300	520

PLATE 45.
Porodiscida.
Diam.			Page.
Fig. 1. Stauralastrum rhopalophorum, n. sp.,	×	200	541
Fig. 2. Dicranastrum cornutum, n. sp.,	×	200	551
Fig. 3. Hagiastrum mosis, n. sp.,	×	100	543
Fig. 4. Hagiastrum mosis, n. sp.,	×	50	543
Lateral view, from the edge.
Fig. 5. Hagiastrum buddhæ, n. sp.,	×	50	542
Fig. 6. Stauralastrum cruciforme, n. sp. (in glycerine),	×	500	540
The central capsule contains a large central nucleus with nucleolus, and is surrounded by the jelly calymma and numerous small zooxanthellæ. The endoplasm is radially striped.
Fig. 7. Tesserastrum democriti, n. sp.,	×	100	548
Fig. 8. Tesserastrum straussii, n. sp.,	×	500	547
Fig. 9. Tesserastrum brunonis, n. sp.,	×	200	548
Disk seen from the edge.
Fig. 10. Amphirhopalum echinatum, n. sp.,	×	300	522
Fig. 11. Amphicraspedum maclaganium, n. sp.,	×	100	523
Fig. 12. Amphicraspedum wyvilleanum, n. sp.,	×	300	523

PLATE 46.
Porodiscida.
Diam.			Page.
Fig. 1. Histiastrum boseanum, n. sp.,	×	400	546
Fig. 2. Histiastrum pentadiscus, n. sp.,	×	200	546
Fig. 3. Histiastrum quadrigatum, n. sp.,	×	300	544
Fig. 4. Histiastrum velatum, n. sp.,	×	200	545
Fig. 5. Stephanastrum quadratum, n. sp.,	×	200	549

PLATE 47.
Porodiscida.
Diam.			Page.
Fig. 1. Dicranastrum bifurcatum, n. sp.,	×	200	552
Fig. 1a. Central disc of the same,	×	600
Fig. 2. Dicranastrum furcatum, n. sp.,	×	100	550
Fig. 3. Dicranastrum wyvillei, n. sp.,	×	100	551
Fig. 4. Pentophiastrum forcipatum, n. sp.,	×	50	559
Fig. 5. Pentophiastrum caudatum, n. sp.,	×	50	559
Fig. 6. Myelastrum papilio, n. sp.,	×	50	554
Fig. 7. Myelastrum decaceros, n. sp.,	×	20	554
Fig. 8. Myelastrum heteropterum, n. sp.,	×	20	553
Fig. 9. Myelastrum anomalum, n. sp.,	×	50	556
Fig. 10. Myelastrum farfalla, n. sp.,	×	50	554
Fig. 11. Myelastrum dodecaceros, n. sp.,	×	100	554
Fig. 12. Myelastrum octocorne, n. sp.,	×	90	553
Fig. 13. Myelastrum medullare, n. sp.,	×	50	553

PLATE 48.
Ellipsida, Artiscida, Spongurida, Cenodiscida, Porodiscida et Pylodiscida.
Diam.			Page.
Fig. 1. Cenodiscus phacoides, n. sp.,	×	100	411
Fig. 1a. Vertical section.
Fig. 2. Crucidiscus endostaurus, n. sp.,	×	200	416
Equatorial section.
Fig. 3. Trochodiscus stellaris, n. sp.,	×	200	418
Fig. 4. Axoprunum stauraxonium, n. sp.,	×	300	298
Equatorial section.
Fig. 5. Stylartus bipolaris, n. sp.,	×	200	357
Vertical section.
Fig. 6. Spongocore puella, n. sp.,	×	300	347
Fig. 7. Spongoprunum amphilonche, n. sp.,	×	300	347
Fig. 8. Stomatodiscus osculatus, n. sp.,	×	600	503
Fig. 9. Archidiscus stauroniscus, n. sp.,	×	400	487
Fig. 9a. Marginal view.
Fig. 10. Archidiscus hexoniscus, n. sp.,	×	400	488
Fig. 10a. Marginal view.
Fig. 11. Archidiscus pyloniscus, n. sp.,	×	400	488
Fig. 11a. Marginal view.
Fig. 12. Triolena primordialis, n. sp.,	×	800	564
Fig. 13. Triopyle hexagona, n. sp.,	×	600	565
Fig. 14. Triodiscus spinosus, n. sp.,	×	600	565
Fig. 15. Pylolena armata, n. sp.,	×	300	568
Fig. 16. Hexapyle dodecantha, n. sp.,	×	300	569
Fig. 17. Pylodiscus triangularis, n. sp.,	×	400	570
Fig. 18. Discozonium hexagonium, n. sp.,	×	400	572
Fig. 19. Discopyle osculata, n. sp.,	×	400	573
Fig. 20. Discopyle elliptica, n. sp.,	×	400	573

PLATE 49.
Lithelida, Streblonida, Phorticida et Soreumida.
Diam.			Page.
Fig. 1. Spirema melonia, n. sp.,	×	300	692
Fig. 2. Lithelius solaris, n. sp. (the first central convolutions only),	×	300	695
Fig. 3. Larcospira quadrangula, n. sp.,	×	300	696
Fig. 4. Pylospira octopyle, n. sp.,	×	300	698
Fig. 5. Tholospira cervicornis, n. sp.,	×	300	700
Fig. 6. Tholospira dendrophora, n. sp.,	×	300	700
Fig. 7. Spironium octonium, n. sp.,	×	300	701
Fig. 8. Streblacantha siderolina, n. sp.,	×	300	706
Fig. 8a. Outlines of the chambers,	×	200
Fig. 9. Streblopyle helicina, n. sp.,	×	300	707
Fig. 10. Phorticium pylonium, n. sp.,	×	300	709
Fig. 11. Spongophortis larnacilla, n. sp.,	×	200	711
Fig. 11a. The upper half of the cortical shell is removed.
Figs. 11b to 11d. The enclosed medullary Larnacilla-shell. b, Dorsal view; c, lateral view; d, basal view.
Fig. 12. Soreuma irregulare, n. sp.,	×	200	713
Fig. 13. Sorolarcus larnacillifer, n. sp.,	×	300	715

PLATE 50.
Larcarida, Larnacida et Zonarida.
Diam.			Page.
Fig. 1. Larnacilla typus, n. sp.,	×	300	617
From the sagittal pole (dorsal view).
Fig. 1a. From the lateral pole (sagittal section).
Fig. 1b. From the principal pole (equatorial section).
Fig. 2. Larnacalpis lentellipsis, n. sp.,	×	400	620
From the sagittal pole (dorsal view).
Fig. 2a. From the lateral pole (sagittal section).
Fig. 2b. From the principal pole (equatorial section).
Fig. 3. Larnacalpis triaxonia, n. sp.,	×	400	621
From the sagittal pole (dorsal view).
Fig. 4. Larnacantha hexacantha, n. sp.,	×	400	622
From the sagittal pole (dorsal view).
Fig. 5. Larnacantha bicruciata, n. sp.,	×	300	623
Frontal view.
Fig. 6. Larnacantha prismatica, n. sp.,	×	300	623
Half frontal, half lateral view.
Fig. 7. Cenolarcus primordialis, n. sp.,	×	300	607
From the sagittal pole.
Fig. 7a. From the lateral pole.
Fig. 7b. From the principal pole.
Fig. 8. Larcidium dodecanthum, n. sp.,	×	300	612
From the sagittal pole.
Fig. 8a. From the principal pole.
Fig. 9. Zonarium octangulum, n. sp.,	×	300	685
Frontal view.
Fig. 10. Zoniscus tetracanthus, n. sp.,	×	300	687
Frontal view.
Fig. 11. Zoniscus hexatholius, n. sp.,	×	400	687
Dorsal view (from the sagittal pole).
Fig. 11a. Lateral view (from the frontal pole).
Fig. 12. Zonidium octotholium, n. sp.,	×	300	688
Frontal section (from the sagittal pole).
Fig. 12a. Lateral view (from the frontal pole).

PLATE 51.
Tripocalpida, Phænocalpida et Cyrtocalpida.
Diam.			Page.
Fig. 1. Tripterocalpis phylloptera, n. sp.,	×	400	1138
Fig. 2. Tripterocalpis conoptera, n. sp.,	×	300	1138
Fig. 3. Tripterocalpis ogmoptera, n. sp.,	×	300	1138
Fig. 4. Tripterocalpis ogmoptera, n. sp.,	×	500	1138
A group of confluent pores, more enlarged.
Fig. 5. Tripterocalpis ogmoptera, n. sp.,	×	300	1138
Central capsule. In the centre the striate podoconus, above it four oil-globules, to the right the nucleus.
Fig. 6. Tripocalpis triserrata, n. sp.,	×	600	1136
Fig. 7. Tridictyopus conicus, n. sp.,	×	300	1145
Fig. 8. Tridictyopus vatillum, n. sp.,	×	400	1145
Fig. 9. Cyrtophormis spiralis, n. sp.,	×	400	1166
Fig. 10. Archicorys ovata, n. sp.,	×	300	1185
Fig. 11. Cyrtocalpis gromia, n. sp.,	×	400	1188
Fig. 12. Archicorys microstoma, n. sp.,	×	400	1185
Fig. 13. Cyrtocalpis urceolus, n. sp.,	×	500	1186
The ovate central capsule exhibits in the lower half the podoconus, in the upper half the spherical nucleus and three oil-globules. Between the capsule and the shell numerous xanthellæ, partly protruded through the shell-mouth along the radiating pseudopodia.

PLATE 52.
Tripocalpida, Phænocalpida, Cyrtocalpida et Anthocyrtida.
Diam.			Page.
Fig. 1. Cyrtophormis pila, n. sp.,	×	300	1165
Fig. 2. Cyrtophormis ærostatica, n. sp.,	×	300	1166
Fig. 3. Cyrtophormis ærostatica, n. sp.,	×	300	1166
Longitudinal section.
Fig. 4. Cyrtocalpis sethopora, n. sp.,	×	600	1187
Fig. 5. Cyrtocalpis lithomitra, n. sp.,	×	400	1187
Fig. 6. Cyrtocalpis lithomitra, n. sp.,	×	400	1187
Longitudinal section.
Fig. 7. Cyrtocalpis compacta, n. sp.,	×	400	1187
Fig. 8. Cyrtocalpis compacta, n. sp.,	×	400	1187
Longitudinal section.
Fig. 9. Carpocanistrum flosculum, n. sp.,	×	400	1171
Fig. 10. Carpocanistrum cephalum, n. sp.,	×	300	1171
Fig. 11. Carpocanistrum evacuatum, n. sp.,	×	400	1172
Fig. 12. Carpocanium verecundum, n. sp.,	×	400	1284
Vertical section through the top of the shell.
Fig. 13. Carpocanium verecundum, n. sp.,	×	400	1284
Fig. 14. Carpocanium irregulare, n. sp.,	×	400	1284
Fig. 15. Carpocanium hexagonale, n. sp.,	×	400	1282
Fig. 16. Carpocanium peristomium, n. sp.,	×	500	1283
Fig. 17. Carpocanium peristomium, n. sp.,	×	500	1283
Vertical section.
Fig. 18. Carpocanium trepanium, n. sp.,	×	600	1282
Peristome.
Fig. 19. Carpocanium petalospyris, n. sp.,	×	300	1283
Fig. 20. Carpocanium virgineum, n. sp.,	×	600	1285
Fig. 21. Tripodiscium sphærocephalum, n. sp.,	×	400	1144
Fig. 22. Tripodiscium tristylospyris, n. sp. (vel Tristylospyris tripodiscium),	×	600	1143
Fig. 23. Tripodiscium ramosum, n. sp. (vel Tristylospyris ramosa),	×	600	1144

PLATE 53.
Zygospyrida, Tripocalpida, Phænocalpida et Cyrtocalpida.
Diam.			Page.
Fig. 1. Archicapsa triforis, n. sp.,	×	300	1191
Lateral view.
Fig. 2. Archicapsa triforis, n. sp.,	×	300	1191
Basal view.
Fig. 3. Halicapsa triglochin, n. sp.,	×	200	1190
Lateral view.
Fig. 4. Halicapsa triglochin, n. sp.,	×	200	1191
Basal view.
Fig. 5. Halicapsa hystrix, n. sp.,	×	200	1191
Lateral view.
Fig. 6. Halicapsa hystrix, n. sp.,	×	200	1191
Basal view.
Fig. 7. Cantharospyris platybursa, n. sp. (vel Platybursa compressa),	×	400	1051
Fig. 8. Tessarospyris clathrobursa, n. sp. (vel Clathrobursa dictyopus),	×	400	1045
Fig. 9. Peridium spinipes, n. sp.,	×	500	1154
Fig. 10. Peridium palmipes, n. sp.,	×	500	1154
Fig. 11. Archiscenium quadrispinum, n. sp.,	×	500	1150
In the spherical central capsule the dark nucleus is visible.
Fig. 12. Euscenium eucolpium, n. sp.,	×	500	1147
Fig. 13. Cladoscenium ancoratum, n. sp.,	×	400	1149
Fig. 14. Pteroscenium pinnatum, n. sp.,	×	400	1152
Lateral view.
Fig. 15. Pteroscenium pinnatum, n. sp.,	×	400	1152
Vertical section.
Fig. 16. Pteroscenium pinnatum, n. sp.,	×	400	1152
Basal view.
Fig. 17. Calpophæna hexarrhabda, n. sp.,	×	400	1176
Fig. 18. Calpophæna hexarrhabda, n. sp.,	×	400	1176
Basal plate.
Fig. 19. Tetraspyris tetracorethra, n. sp.,	×	400	1044
With the four-lobed central capsule, in each lobe an oil-globule.
Fig. 20. Tetraspyris tetracorethra, n. sp.,	×	800	1044
Shell more enlarged.

PLATE 54.
Phænocalpida, Cyrtocalpida, Anthocyrtida et Sethocyrtida.
Diam.			Page.
Fig. 1. Bathropyramis quadrata, n. sp.,	×	300	1159
Fig. 2. Sethopyramis quadrata, n. sp.,	×	300	1254
Fig. 3. Bathropyramis trapezoides, n. sp.,	×	300	1160
Fig. 4. Bathropyramis ramosa, n. sp.,	×	300	1161
Fig. 5. Peripyramis circumtexta, n. sp.,	×	300	1162
Fig. 6. Plectopyramis dodecomma, n. sp.,	×	400	1258
Fig. 7. Cinclopyramis infundibulum, n. sp.,	×	300	1161
Fig. 8. Plectopyramis trapezomma, n. sp.,	×	400	1258
Fig. 9. Cornutella hexagona, n. sp.,	×	400	1180
Fig. 10. Cornutella sethoconus, n. sp.,	×	400	1180
Fig. 11. Sethoconus orthoceras, n. sp.,	×	400	1294
Fig. 12. Sethoconus bimarginatus, n. sp.,	×	400	1295

PLATE 55.
Phænocalpida, Anthocyrtida et Sethocyrtida.
Diam.			Page.
Fig. 1. Sethoconus facetus, n. sp. (vel Phlebarachnium facetum),	×	300	1296
Upper part of the shell.
Fig. 2. Sethoconus venosus, n. sp. (vel Phlebarachnium venosum),	×	250	1297
Shell including the four-lobed central capsule.
Fig. 3. Sethophormis aurelia, n. sp. (vel Leptarachnium aurelia),	×	100	1248
Shell seen from above.
Fig. 4. Sethophormis aurelia, n. sp.,	×	400	1248
Cephalis more enlarged, with the enclosed four-lobed central capsule.
Fig. 5. Cladarachnium ramosum, n. sp.,	×	300	1165
Apical view.
Fig. 6. Cladarachnium ramosum, n. sp.,	×	70	1165
Lateral view.
Fig. 7. Bathropyramis interrupta, n. sp.,	×	300	1160
Apical part of the shell, from above.
Fig. 8. Litharachnium araneosum, n. sp.,	×	300	1163
Apical part of the shell, from above.
Fig. 9. Litharachnium epeira, n. sp.,	×	500	1164
Oblique view of the shell.
Fig. 10. Litharachnium araneosum, n. sp.,	×	50	1163
Lateral view.
Fig. 11. Periarachnium periplectum, n. sp.,	×	500	1297
Shell enclosing the trilobed central capsule.

PLATE 56.
Tripocyrtida, Anthocyrtida et Sethocyrtida.
Diam.			Page.
Fig. 1. Lithomelissa bütschlii, n. sp. (vel Sethomelissa bütschlii),	×	400	1207
Fig. 2. Lithomelissa decacantha, n. sp. (vel Sethomelissa decacantha),	×	400	1208
Fig. 3. Psilomelissa calvata, n. sp.,	×	400	1209
The cephalis alone, with the three collar beams.
Fig. 4. Lychnodictyum scaphopodium, n. sp.,	×	400	1231
Fig. 5. Sethophormis pentalactis, n. sp. (vel Pentaphormis pentalactis),	×	400	1244
Oblique view of the shell, from below.
Fig. 6. Sethophormis hexalactis, n. sp. (vel Hexaphormis hexalactis),	×	400	1245
Central part of the shell, with the cortinar septum.
Fig. 7. Sethopyramis enneactis, n. sp. (vel Cephalopyramis enneactis),	×	400	1254
Fig. 8. Plectopyramis polypleura, n. sp. (vel Sethopyramis polypleura),	×	200	1260
Fig. 9. Sethophormis eupilium, n. sp. (vel Craspedilium eupilium),	×	400	1247
Fig. 10. Plectopyramis spongiosa, n. sp. (vel Spongopyramis spongiosa),	×	400	1261
Fig. 11. Arachnocorys araneosa, n. sp.,	×	500	1266
Fig. 12. Sethophormis dodecaster, n. sp. (vel Astrophormis dodecaster),	×	200	1248
Fig. 13. Sethocephalus eucecryphalus, n. sp.,	×	400	1298

PLATE 57.
TRIPOCYRTIDA, ANTHOCYRTIDA et SETHOCYRTIDA.
Diam.			Page.
Fig. 1. Dicolocapsa microcephala, n. sp.,	×	400	1312
Fig. 2. Sethocapsa pyriformis, n. sp.,	×	300	1310
Fig. 3. Lithopera ananassa, n. sp.,	×	500	1234
Fig. 4. Sethamphora favosa, n. sp. (vel Cryptoprora favosa),	×	400	1252
Fig. 5. Sethamphora microstoma, n. sp. (vel Cryptoprora microstoma),	×	300	1252
Fig. 6. Clistophæna hexolena, n. sp.,	×	300	1287
Fig. 7. Clistophæna armata, n. sp.,	×	300	1288
Fig. 8. Clathromitra pterophormis, n. sp.,	×	400	1219
Fig. 9. Sethophormis rotula, n. sp. (vel Enneaphormis rotula),	×	400	1246
Fig. 10. Dictyophimus sphærocephalus, n. sp.,	×	400	1195
Fig. 11. Peromelissa phalacra, n. sp.,	×	400	1236
Fig. 12. Peromelissa calva, n. sp.,	×	300	1237
Fig. 13. Sethochytris triconiscus, n. sp.,	×	300	1239
Fig. 14. Micromelissa bombus, n. sp.,	×	300	1235

PLATE 58.
Tripocyrtida, Sethocyrtida, Phormocyrtida et Theocyrtida.
Diam.			Page.
Fig. 1. Cecryphalium sestrodiscus, n. sp.,	×	400	1399
Apical view.
Fig. 2. Cecryphalium lamprodiscus, n. sp.,	×	400	1398
Apical view.
Fig. 3. Clathrocyclas coscinodiscus, n. sp.,	×	400	1389
Apical view.
Fig. 4. Clathrocyclas coscinodiscus, n. sp.,	×	700	1389
The cephalis alone, with the two horns.
Fig. 5. Clathrocyclas semeles, n. sp.,	×	400	1388
Lateral view.
Fig. 6. Sethoconus capreolus, n. sp.,	×	400	1291
Lateral view.
Fig. 7. Lampromitra quadricuspis, n. sp.,	×	400	1214
Apical view.
Fig. 8. Lampromitra furcata, n. sp.,	×	400	1215
The collar septum after removal of the cephalis.
Fig. 9. Lampromitra dendrocorona, n. sp.,	×	400	1216
Apical view.

PLATE 59.
Tripocyrtida, Podocyrtida et Phormocyrtida.
Diam.			Page.
Fig. 1. Lampromitra huxleyi, n. sp.,	×	400	1215
Fig. 2. Amphiplecta callistoma, n. sp.,	×	400	1224
Fig. 3. Corocalyptra agnesæ, n. sp.,	×	400	1323
Fig. 4. Corocalyptra emmæ, n. sp.,	×	400	1323
The shell encloses the trilobate central capsule, with the trilobate nucleus.
Fig. 5. Clathrocyclas cassiopejæ, n. sp.,	×	400	1390
Fig. 6. Clathrocyclas alcmenæ, n. sp.,	×	400	1388
Fig. 7. Clathrocyclas latonæ, n. sp.,	×	400	1389
Apical view.
Fig. 8. Diplocylas bicorona, n. sp.,	×	400	1392
Fig. 9. Clathrocyclas ionis, n. sp.,	×	400	1389
Fig. 10. Corocalyptra elisabethæ, n. sp.,	×	400	1323
Oblique apical view of the shell, with the quadrilobate central capsule enclosed.
Fig. 11. Clathrocyclas europæ, n. sp.,	×	400	1388
Apical view of the shell, after removal of the cephalis.
Fig. 12. Clathrocyclas europæ, n. sp.,	×	400	1388
Central capsule, seen from above, with the quadrilobate nucleus.
Fig. 13. Clathrocyclas danaës, n. sp.,	×	300	1388
Vertical section through the cephalis and the quadrilobate central capsule, with the quadrilobate nucleus.
Fig. 14. Clathrocyclas danaës, n. sp.,	×	300	1388
Apical view of the shell.

PLATE 60.
Tripocyrtida.
Diam.			Page.
Fig. 1. Dictyophimus cienkowskii, n. sp. (vel Lamprotripus squarrosus),	×	300	1200
Shell seen from the side.
Fig. 2. Dictyophimus bütschlii, n. sp. (vel Lamprotripus horridus),	×	300	1201
Fig. 3. Dictyophimus hertwigii, n. sp. (vel Lamprotripus spinosus),	×	400	1201
The cephalis of the shell includes the central capsule, with three lobes depending in the pyramidal thorax.
Fig. 4. Dictyophimus platycephalus, n. sp.,	×	400	1198
Central capsule with four thoracic lobes, each of which contains an oil-globule; kidney-shaped nucleus in the cephalic lobe.
Fig. 5. Dictyophimus platycephalus, n. sp.,	×	400	1198
Shell seen from the side.
Fig. 6. Dictyophimus brandtii, n. sp.,	×	300	1198
Shell seen from the base, with the four large pores of the collar septum, two minor jugular and two major cardinal pores.
Fig. 7. Lampromitra coronata, n. sp.,	×	400	1214
Shell seen from below, with the quadrilobate central capsule.
Fig. 7a. A portion of the shell-margin,	×	800	1214
Fig. 8. Lampromitra arborescens, n. sp.,	×	400	1216
Shell from above.
Fig. 8a. The collar septum with the four crossed rods of the cortina,	×	400	1216
Fig. 9. Tripocyrtis plectaniscus, n. sp.,	×	400	1202
Fig. 10. Tripocyrtis plagoniscus, n. sp.,	×	400	1201

PLATE 61.
Tripocyrtida.
Diam.			Page.
Fig. 1. Dictyophimus cortina, n. sp.,	×	400	1197
Fig. 2. Lychnocanium pudicum, n. sp.,	×	200	1230
Fig. 3. Dictyophimus longipes, n. sp.,	×	400	1197
Fig. 4. Lychnocanium clavigerum, n. sp.,	×	300	1230
Fig. 5. Dictyophimus lasanum, n. sp.,	×	300	1197
Fig. 6. Lychnocanium favosum, n. sp.,	×	300	1225
Fig. 7. Lychnocanium lanterna, n. sp.,	×	300	1224
Fig. 8. Dictyophimus plectaniscus, n. sp.,	×	300	1196
Apical view.
Fig. 9. Dictyophimus plectaniscus, n. sp.,	×	300	1196
Lateral view.
Fig. 10. Lychnocanium fenestratum, n. sp.,	×	400	1228
Fig. 11. Lychnocanium pyriforme, n. sp.,	×	300	1225
Fig. 12. Lychnocanium fortipes, n. sp.,	×	300	1227
Fig. 13. Lychnocanium tuberosum, n. sp.,	×	300	1227
Fig. 14. Lychnocanium nodosum, n. sp.,	×	300	1225
Fig. 15. Lychnocanium sigmopodium, n. sp.,	×	400	1228
Fig. 16. Dictyophimus pyramis, n. sp.,	×	300	1196
Fig. 17. Dictyophimus triserratus, n. sp.,	×	300	1200

PLATE 62.
Anthocyrtida, Sethocyrtida et Phormocyrtida.
Diam.			Page.
Fig. 1. Dictyocephalus australis, n. sp.,	×	300	1306
Fig. 2. Dictyocephalus mediterraneus, n. sp.,	×	300	1307
Fig. 3. Sethamphora costata, n. sp. (vel Dictyocephalus costatus),	×	300	1251
Fig. 4. Dictyocephalus amphora, n. sp.,	×	400	1305
Fig. 5. Cycladophora (?) favosa, n. sp. (an Dictyocephalus?),	×	400	1380
Fig. 6. Cycladophora (?) favosa, n. sp. (an Dictyocephalus?),	×	400	1380
A variety with obliterated ribs (?).
Fig. 7. Dictyocephalus globiceps, n. sp.,	×	400	1308
Fig. 8. Sethocorys achillis, n. sp.,	×	400	1301
Fig. 9. Sethocyrtis oxycephalis, n. sp.,	×	400	1299
Fig. 10. Sethocorys odysseus, n. sp.,	×	400	1302
Fig. 11. Sethocyrtis agamemnonis, n. sp.,	×	300	1300
Seen from above (apical view).
Fig. 11A. Sethocyrtis agamemnonis, n. sp.,	×	300	1300
Seen from above, after removal of the cephalis.
Fig. 12. Anthocyrtium pyrum, n. sp.,	×	400	1276
Fig. 13. Anthocyrtis ovata, n. sp.,	×	300	1272
Fig. 14. Anthocyrtium chrysanthemum, n. sp	×	400	1272
Fig. 15. Anthocyrtidium ligularia, n. sp.,	×	400	1278
Fig. 16. Anthocyrtidium cineraria, n. sp.,	×	400	1278
Fig. 17. Anthocyrtium campanula, n. sp.,	×	400	1274
Fig. 18. Anthocyrtium doronicum, n. sp.,	×	300	1276
Fig. 19. Anthocyrtium flosculus, n. sp.,	×	300	1277
Fig. 20. Anthocyrtium adonis, n. sp.,	×	300	1273
Fig. 21. Sethoconus anthocyrtis, n. sp. (vel Anthocyrtium sethoconium),	×	300	1296

PLATE 63.
Tripocyrtida.
Diam.			Page.
Fig. 1. Callimitra carolotæ, n. sp.,	×	400	1217
Lateral view.
Fig. 2. Callimitra annæ, n. sp.,	×	400	1217
Dorsal view.
Fig. 3. Callimitra emmæ, n. sp.,	×	300	1218
Lateral view.
Fig. 4. Callimitra emmæ, n. sp.,	×	400	1218
Cephalis alone, with the enclosed four-lobed central capsule, and the internal four divergent beams; surrounded by some scattered xanthellæ.
Fig. 5. Callimitra agnesæ, n. sp.,	×	400	1217
Dorsal view.
Fig. 6. Callimitra elisabethæ, n. sp.,	×	400	1218
Lateral view.
Fig. 7. Callimitra carolotæ, n. sp.,	×	200	1217
Seen from above (from the apical pole).
Fig. 8. Callimitra carolotæ, n. sp.,	×	200	1217
Seen from below (from the basal pole).

PLATE 64.
Tripocyrtida et Podocyrtida.
Diam.			Page.
Fig. 1. Clathrocanium sphærocephalum, n. sp.,	×	600	1211
Fig. 2. Clathrocanium diadema, n. sp.,	×	600	1212
Fig. 3. Clathrocanium triomma, n. sp.,	×	600	1211
Fig. 4. Clathrocanium reginæ, n. sp.,	×	600	1212
Fig. 5. Clathrolychnus araneosus, n. sp.,	×	600	1240
Fig. 6. Clathrolychnus periplectus, n. sp.,	×	600	1241
Fig. 7. Pteropilium clathrocanium, n. sp.,	×	400	1327
Fig. 8. Clathrocorys murrayi, n. sp.,	×	600	1219
Fig. 9. Clathrocorys giltschii, n. sp.,	×	600	1220
Fig. 10. Clathrocorys teuscheri, n. sp.,	×	600	1220

PLATE 65.
Phormocyrtida.
Diam.			Page.
Fig. 1. Alacorys friderici, n. sp. (vel Hexalacorys friderici),	×	400	1372
The central capsule, enclosed in the fenestrated shell, exhibits in its lower half four large club-shaped lobes, each of which includes in its upper part a large oil-globule. The uppermost, undivided part of the capsule includes the nucleus, which protrudes four small nuclear lobes through the four holes of the cortinar septum into the thorax. Numerous long pseudopodia arise from the granular sarcomatrix, which the capsule surrounds, and pass through the pores of the siliceous shell.
Fig. 2. Alacorys guilelmi, n. sp. (vel Hexalacorys guilelmi),	×	300	1372
Fig. 3. Alacorys bismarckii, n. sp. (vel Pentalacorys bismarckii),	×	200	1372
Fig. 4. Alacorys lutheri, n. sp. (vel Tetralacorys lutheri),	×	400	1370
Fig. 5. Cycladophora goetheana, n. sp. (vel Lampterium goetheanum),	×	300	1376

PLATE 66.
Theocyrtida.
Diam.			Page.
Fig. 1. Tricolocapsa theophrasti, n. sp.,	×	400	1432
Fig. 2. Tricolocapsa schleidenii, n. sp.,	×	300	1433
Fig. 3. Tricolocapsa dioscoridis, n. sp.,	×	300	1432
Fig. 4. Tricolocapsa decandollei, n. sp.,	×	300	1433
Fig. 5. Tricolocapsa linnæi, n. sp.,	×	400	1432
Fig. 6. Theocapsa aristotelis, n. sp.,	×	300	1427
Fig. 7. Theocapsa mülleri, n. sp.,	×	400	1431
Fig. 8. Theocapsa democriti, n. sp.,	×	400	1427
Fig. 9. Theocapsa forskalii, n. sp.,	×	400	1429
Fig. 10. Theocapsa cuvieri, n. sp.,	×	400	1430
Fig. 11. Theocapsa wottonis, n. sp.,	×	400	1428
Fig. 12. Theocapsa darwinii, n. sp.,	×	300	1431
Fig. 13. Theocapsa linnæi, n. sp.,	×	400	1429
Fig. 14. Theocapsa wolffii, n. sp.,	×	400	1429
Fig. 15. Theocapsa malpighii, n. sp.,	×	400	1428
Fig. 16. Theocapsa lamarckii, n. sp.,	×	400	1430
Fig. 17. Tricolocampe amphizona, n. sp.,	×	400	1413
Fig. 18. Theocampe collaris, n. sp.,	×	300	1425
Fig. 19. Tricolocampe polyzona, n. sp.,	×	400	1412
Fig. 20. Tricolocampe stenozona, n. sp.,	×	400	1413
Fig. 21. Tricolocampe cylindrica, n. sp.,	×	300	1412
Fig. 22. Tricolocampe urnula, n. sp.,	×	400	1422
Fig. 23. Theocampe stenostoma, n. sp.,	×	300	1423
Fig. 24. Theocampe costata, n. sp.,	×	300	1424
Fig. 25. Theocampe sphærothorax, n. sp.,	×	300	1424

PLATE 67.
Podocyrtida.
Diam.			Page.
Fig. 1. Lithornithium falco, n. sp.,	×	400	1355
Fig. 2. Lithornithium fringilla, n. sp.,	×	400	1355
Fig. 3. Lithornithium ciconia, n. sp.,	×	400	1354
Fig. 4. Lithornithium trochilus, n. sp.,	×	400	1355
Fig. 5. Theopera fusiformis, n. sp.,	×	400	1357
Fig. 6. Theopera chytropus, n. sp.,	×	400	1358
Fig. 7. Theopera prismatica, n. sp.,	×	300	1357
Fig. 8. Theopera cortina, n. sp.,	×	400	1358
Fig. 9. Rhopalocanium delphicum, n. sp.,	×	400	1360
Fig. 10. Rhopalocanium lasanum, n. sp.,	×	300	1359
Fig. 11. Lithochytris lanterna, n. sp.,	×	300	1364
Fig. 12. Lithochytris cortina, n. sp.,	×	300	1362
Fig. 13. Lithochytris pyriformis, n. sp.,	×	400	1362
Fig. 14. Lithochytris lucerna, n. sp.,	×	300	1364
Fig. 15. Lithochytris pteropus, n. sp.,	×	300	1364
Fig. 16. Lithochytris galeata, n. sp.,	×	400	1363

PLATE 68.
Podocyrtida, Phormocyrtida et Theocyrtida.
Diam.			Page.
Fig. 1. Axocorys macroceros, n. sp.,	×	300	1420
Fig. 1a. The internal axial rod of the shell, which bears on its basal part three verticils of three diverging forked spines,	×	300
Fig. 2. Cycladophora fenestrata, n. sp.,	×	300	1380
Fig. 3. Cycladophora pantheon, n. sp.,	×	400	1379
Fig. 4. Theosyringium tibia, n. sp.,	×	300	1409
Fig. 5. Theosyringium pipetta, n. sp.,	×	200	1409
Fig. 6. Pterocorys tubulosa, n. sp.,	×	400	1319
Fig. 7. Pterocanium pyramis, n. sp.,	×	400	1330
Fig. 8. Thyrsocyrtis rhizopodium, n. sp.,	×	300	1351
Fig. 9. Thyrsocyrtis arborescens, n. sp.,	×	400	1350
Fig. 10. Rhopalatractus foveolatus, n. sp.,	×	400	1361
Fig. 11. Rhopalatractus pentacanthus, n. sp.,	×	300	1361
Fig. 12. Rhopalatractus fenestratus, n. sp. (vel Dictyatractus fenestratus),	×	300	1361
Fig. 13. Hexalatractus fusiformis, n. sp.,	×	300	1391
Fig. 14. Sethornithium dictyopterum, n. sp.,	×	300	1356
The trilobate central capsule, which contains in its uppermost part the trilobate nucleus, and in the basal part of each lobe an oil-globule.
Fig. 15. Lophocyrtis synapta, n. sp.,	×	300	1411
The quadrilobate central capsule, which contains in its uppermost part the quadrilobate nucleus, and in the basal part of each lobe an oil-globule.

PLATE 69.
Phormocyrtida et Theocyrtida.
Diam.			Page.
Fig. 1. Theocorys plutonis, n. sp.,	×	400	1416
Fig. 2. Lophoconus rhinoceros, n. sp.,	×	400	1405
Fig. 3. Theocorys apollinis, n. sp.,	×	300	1418
Fig. 4. Theoconus jovis, n. sp.,	×	400	1401
Fig. 5. Theocorys veneris, n. sp.,	×	300	1415
Fig. 6. Phormocyrtis costata, n. sp.,	×	300	1369
Fig. 7. Theoconus junonis, n. sp.,	×	300	1401
Fig. 8. Theocyrtis ptychodes, n. sp.,	×	400	1408
Fig. 9. Lophocorys astrocephala, n. sp.,	×	300	1421
Fig. 10. Theocorys obliqua, n. sp.,	×	400	1417
Fig. 11. Theocorys dianæ, n. sp.,	×	400	1416
Fig. 12. Lophocorys bovicornis, n. sp.,	×	300	1422
Fig. 13. Theocyrtis macroceros, n. sp.,	×	400	1407
Fig. 14. Theocorys minervæ, n. sp.,	×	300	1419
Fig. 15. Phormocyrtis longicornis, n. sp.,	×	400	1370
Fig. 16. Theocorys ovata, n. sp.,	×	300	1416

PLATE 70.
Anthocyrtida, Podocyrtida, Phormocyrtida et Theocyrtida.
Diam.			Page.
Fig. 1. Theophormis callipilium, n. sp.,	×	300	1367
Fig. 2. Theophormis callipilium, n. sp.,	×	300	1367
The four cruciate rods of the cortinar septum and the vertical columella in its centre.
Fig. 3. Theophormis callipilium, n. sp.,	×	400	1367
The cephalis alone with the enclosed quadrilobate central capsule, which is surrounded by numerous xanthellæ.
Fig. 4. Sethophormis umbrella, n. sp.,	×	150	1248
Fig. 5. Sethophormis umbrella, n. sp.,	×	400	1248
Cephalis with the cruciform cortinar septum.
Fig. 6. Theopilium tricostatum, n. sp.,	×	400	1322
Seen from above.
Fig. 7. Phrenocodon clathrostomium, n. sp.,	×	250	1434
Vertical section through the shell.
Fig. 8. Phrenocodon clathrostomium, n. sp.,	×	500	1434
Shell seen half from below, and exhibiting the fenestrated septum between thorax and abdomen.
Fig. 9. Pteropilium stratiotes, n. sp.,	×	400	1326
Fig. 10. Pteropilium stratiotes, n. sp.,	×	400	1326
The three rods of the cortinar septum and the three arches connecting them with the central axial columella.
Fig. 11. Pterocodon ornatus, n. sp.,	×	300	1333
Fig. 12. Theophæna corona, n. sp.,	×	300	1394

PLATE 71.
Podocyrtida.
Diam.			Page.
Fig. 1. Pterocorys rhinoceros, n. sp.,	×	400	1320
Fig. 2. Pterocorys columba, n. sp.,	×	400	1317
Fig. 3. Pterocorys campanula, n. sp.,	×	400	1316
Fig. 4. Pterocorys hirundo, n. sp.,	×	300	1318
Fig. 5. Pterocorys aquila, n. sp.,	×	300	1317
Fig. 6. Dictyoceras insectum, n. sp.,	×	400	1324
Fig. 7. Dictyoceras insectum, n. sp.,	×	400	1324
Seen from the apex.
Fig. 8. Dictyoceras formica, n. sp.,	×	400	1325
Fig. 9. Dictyoceras melitta, n. sp.,	×	400	1325
Seen from the apex.
Fig. 10. Dictyoceras bombus, n. sp.,	×	400	1325
Fig. 11. Dictyocodon annasethe, n. sp.,	×	400	1334
Fig. 12. Dictyocodon palladius, n. sp.,	×	300	1335
Fig. 13. Dictyocodon palladius, n. sp.,	×	600	1335
Apical part of the shell alone.
Fig. 14. Dictyocodon carolotæ, n. sp.,	×	300	1335

PLATE 72.
Podocyrtida.
Diam.			Page.
Fig. 1. Podocyrtis prismatica, n. sp.,	×	300	1340
Fig. 2. Podocyrtis corythæola, n. sp.,	×	300	1339
Fig. 3. Podocyrtis lithoconus, n. sp.,	×	300	1348
Fig. 4. Podocyrtis tripodiscus, n. sp.,	×	300	1338
Fig. 5. Podocyrtis magnifica, n. sp.,	×	500	1341
Fig. 6. Podocyrtis divergens, n. sp.,	×	400	1340
Fig. 7. Podocyrtis cristata, n. sp.,	×	400	1342
Fig. 8. Podocyrtis pedicellaria, n. sp.,	×	300	1347
Fig. 9. Podocyrtis flosculata, n. sp.,	×	500	1341
Fig. 10. Podocyrtis surena, n. sp.,	×	400	1339

PLATE 73.
Podocyrtida et Phormocyrtida.
Diam.			Page.
Fig. 1. Pterocanium tricolpum, n. sp.,	×	400	1331
Fig. 2. Pterocanium orcinum, n. sp.,	×	400	1329
Fig. 3. Pterocanium gravidum, n. sp.,	×	400	1329
Fig. 4. Pterocanium eucolpum, n. sp.,	×	400	1332
Fig. 5. Pterocanium bicorne, n. sp.,	×	400	1332
Fig. 6. Pterocanium virgineum, n. sp.,	×	400	1330
Fig. 7. Dictyopodium thyrsolophus, n. sp.,	×	300	1354
Fig. 8. Dictyopodium scaphopodium, n. sp.,	×	300	1353
Fig. 9. Calocyclas monumentum, n. sp.,	×	400	1385
Fig. 10. Calocyclas casta, n. sp.,	×	400	1384

PLATE 74.
Phormocyrtida.
Diam.			Page.
Fig. 1. Calocyclas parthenia, n. sp.,	×	400	1385
Fig. 2. Calocyclas amicæ, n. sp.,	×	400	1382
Fig. 3. Calocyclas vestalis, n. sp.,	×	400	1382
Fig. 4. Calocyclas virginis, n. sp.,	×	300	1381
Fig. 5. Calocyclas veneris, n. sp.,	×	300	1381
Fig. 6. Clathrocyclas basilea, n. sp. (vel Calocyclas basilea),	×	400	1386
Fig. 7. Clathrocyclas principessa, n. sp. (vel Calocyclas principessa),	×	400	1386
Fig. 8. Clathrocyclas collaris, n. sp. (vel Calocyclas collaris),	×	400	1387
Fig. 9. Alacorys carcinus, n. sp. (vel Calocyclas carcinus),	×	300	1375
Fig. 10. Lamprocyclas deflorata, n. sp.,	×	200	1391
Fig. 11. Lamprocyclas reginæ, n. sp.,	×	400	1391
Fig. 12. Lamprocyclas reginæ, n. sp.,	×	800	1391
Two meshes of the network.
Fig. 13. Lamprocyclas maritalis, n. sp.,	×	400	1390
Fig. 14. Lamprocyclas maritalis, n. sp.,	×	400	1390
Vertical section.
Fig. 15. Lamprocyclas nuptialis, n. sp.,	×	400	1390
Fig. 16. Lamprocyclas saltatricis, n. sp.,	×	400	1391

PLATE 75.
Podocampida et Phormocampida.
Diam.			Page.
Fig. 1. Artopilium elegans, n. sp. (vel Trictenartus elegans),	×	200	1440
Fig. 2. Artophormis horrida, n. sp.,	×	300	1458
Fig. 3. Cyrtopera thoracoptera, n. sp. (vel Artopera thoracoptera),	×	300	1450
Fig. 4. Stichophæna ærostatica, n. sp. (vel Artophæna ærostatica),	×	400	1463
Fig. 5. Cyrtophormis turricula, n. sp.,	×	300	1463
Fig. 6. Stichopodium dictyopodium, n. sp.,	×	400	1447
Fig. 7. Artopilium trifenestra, n. sp. (vel Clathropyrgus trifenestra),	×	500	1441
Fig. 8. Artopilium stichopterygium, n. sp.,	×	400	1442
Fig. 9. Stichophormis cornutella, n. sp.,	×	400	1455
Fig. 10. Cyrtopera laguncula, n. sp. (vel Cyrtolagena laguncula),	×	400	1451
Fig. 11. Stichopera pectinata, n. sp.,	×	500	1449
Fig. 12. Stichophæna ritteriana, n. sp.,	×	400	1465

PLATE 76.
Phormocampida et Lithocampida.
Diam.			Page.
Fig. 1. Stichocapsa pentacola, n. sp.,	×	400	1517
Fig. 2. Stichocapsa hexacola, n. sp.,	×	400	1517
Fig. 3. Stichocapsa compacta, n. sp.,	×	400	1517
Fig. 4. Stichocapsa paniscus, n. sp.,	×	400	1518
Fig. 5. Artocapsa fusiformis, n. sp.,	×	400	1519
Fig. 6. Stichophæna nonaria, n. sp.,	×	200	1466
Fig. 7. Stichophæna novena, n. sp.,	×	400	1466
Fig. 8. Artocapsa elegans, n. sp.,	×	400	1520
Fig. 9. Cyrtocapsa chrysalidium, n. sp.,	×	400	1515
Fig. 10. Artocapsa spinosa, n. sp.,	×	400	1519
Fig. 11. Spirocampe callispira, n. sp.,	×	300	1511
Fig. 12. Spirocampe allospira, n. sp.,	×	400	1511
Fig. 13. Spirocyrtis cornutella, n. sp.,	×	400	1509
Fig. 14. Spirocyrtis scalaris, n. sp.,	×	400	1509
Fig. 15. Spirocyrtis merospira, n. sp.,	×	500	1510
Fig. 16. Spirocyrtis holospira, n. sp.,	×	400	1509
Fig. 17. Spirocyrtis diplospira, n. sp.,	×	400	1510

PLATE 77.
Podocampida, Phormocampida et Lithocampida.
Diam.			Page.
Fig. 1. Lithocampe ovata, n. sp.,	×	500	1504
Fig. 2. Lithocampe urceolata, n. sp.,	×	400	1507
Fig. 3. Lithocampe diploconus, n. sp.,	×	400	1505
Fig. 4. Dictyomitra eurythorax, n. sp.,	×	300	1477
Fig. 5. Eucyrtidium teuscheri, n. sp.,	×	400	1491
Fig. 6. Lithostrobus cornutus, n. sp.,	×	400	1474
Fig. 7. Eucyrtidium bütschlii, n. sp.,	×	400	1492
Fig. 8. Cyrtocapsa compacta, n. sp.,	×	300	1512
Fig. 9. Stichopilium bicorne, n. sp.,	×	600	1437
Fig. 10. Artopilium longicorne, n. sp.,	×	500	1440
Fig. 11. Stichopilium campanulatum, n. sp.,	×	400	1438
Fig. 12. Artopilium cyrtopterum, n. sp.,	×	400	1440
Fig. 13. Phormocampe campanula, n. sp.,	×	400	1456
Fig. 14. Phormocampe eucalyptra, n. sp.,	×	300	1457
Fig. 15. Cyrtophormis corona, n. sp.,	×	300	1462
Fig. 16. Phormocampe lamprocyclas, n. sp.,	×	300	1457
Fig. 17. Cyrtophormis cylindrica, n. sp.,	×	300	1461
Fig. 18. Cyrtophormis cornuta, n. sp.,	×	500	1462

PLATE 78.
Phormocampida et Lithocampida.
Diam.			Page.
Fig. 1. Stichocapsa tetracola, n. sp.,	×	600	1515
Fig. 2. Stichocapsa tricincta, n. sp.,	×	400	1516
Fig. 3. Stichocapsa quadrigata, n. sp.,	×	400	1515
Fig. 4. Stichocapsa monstrosa, n. sp.,	×	400	1517
Fig. 5. Cyrtocapsa tetrapera, n. sp.,	×	300	1512
Fig. 6. Cyrtocapsa diploconus, n. sp.,	×	300	1513
Fig. 7. Cyrtocapsa fusulus, n. sp.,	×	400	1514
Fig. 8. Cyrtocapsa pyrum, n. sp.,	×	400	1513
Fig. 9. Cyrtocapsa cornuta, n. sp.,	×	400	1513
Fig. 10. Eusyringium conosiphon, n. sp.,	×	400	1496
Fig. 11. Eusyringium pachysiphon, n. sp.,	×	400	1496
Fig. 12. Eusyringium macrosiphon, n. sp.,	×	400	1497
Fig. 13. Eucyrtidium tricinctum, n. sp.,	×	400	1494
Fig. 14. Eucyrtidium armatum, n. sp.,	×	400	1495
Fig. 15. Eucyrtidium ehrenbergii, n. sp.,	×	300	1495
Fig. 16. Eucyrtidium conostoma, n. sp.,	×	400	1495
Fig. 17. Cyrtophormis armata, n. sp.,	×	400	1460
Fig. 18. Cyrtophormis cingulata, n. sp.,	×	400	1460

PLATE 79.
Phormocampida et Lithocampida.
Diam.			Page.
Fig. 1. Lithomitra nodosaria, n. sp.,	×	600	1484
Fig. 2. Cyrtophormis tabulata, n. sp.,	×	400	1166
Fig. 3. Lithomitra eruca, n. sp.,	×	500	1485
Fig. 4. Lithomitra chrysalis, n. sp.,	×	300	1485
Fig. 5. Lithomitra infundibulum, n. sp.,	×	500	1487
Fig. 6. Lithocampe octocola, n. sp.,	×	400	1508
Fig. 7. Lithocampe hexacola, n. sp.,	×	400	1507
Fig. 8. Lithocampe heptacola, n. sp.,	×	400	1508
Fig. 9. Stichophormis novena, n. sp.,	×	400	1455
Fig. 10. Siphocampe annulosa, n. sp.,	×	300	1500
Fig. 11. Siphocampe erucosa, n. sp.,	×	300	1500
Fig. 12. Siphocampe caminosa, n. sp.,	×	400	1500
Fig. 13. Siphocampe tubulosa, n. sp.,	×	400	1500
Fig. 14. Siphocampe spiralis, n. sp.,	×	500	1501
Fig. 15. Lithostrobus seriatus, n. sp.,	×	400	1474
Fig. 16. Artostrobus articulatus, n. sp.,	×	400	1483
Fig. 17. Lithostrobus lithobotrys, n. sp.,	×	400	1475
Fig. 18. Lithostrobus botryocyrtis, n. sp.,	×	400	1475
Fig. 19. Lithostrobus botryocyrtis, n. sp.,	×	400	1475
Vertical section through the cephalis.
Fig. 20. Lithostrobus hexagonalis, n. sp.,	×	400	1475

PLATE 80.
Lithocampida.
Diam.			Page.
Fig. 1. Lithostrobus conulus, n. sp. (vel Cyrtostrobus conulus),	×	400	1472
Fig. 2. Lithostrobus cyrtoceras, n. sp. (vel Cornustrobus cyrtoceras),	×	400	1470
Fig. 3. Stichocorys huschkei, n. sp.,	×	400	1480
Fig. 4. Lithostrobus caloceras, n. sp. (vel Cornustrobus caloceras),	×	400	1471
Fig. 5. Stichocorys okenii, n. sp.,	×	300	1480
Fig. 6. Lithostrobus tetrastichus, n. sp. (vel Conostrobus tetrastichus),	×	500	1470
Fig. 7. Stichocorys panderi, n. sp.,	×	400	1479
Fig. 8. Stichocorys baerii, n. sp.,	×	400	1479
Fig. 9. Eucyrtidium cienkowskii, n. sp.,	×	400	1493
Fig. 10. Stichocorys wolffii, n. sp.,	×	400	1479
Fig. 11. Eucyrtidium hexagonatum, n. sp.,	×	600	1489
Fig. 12. Eucyrtidium hertwigii, n. sp.,	×	400	1491
Fig. 13. Eusyringium cannostoma, n. sp.,	×	600	1499
Fig. 14. Eusyringium siphonostoma, n. sp.,	×	500	1499
Fig. 15. Lithostrobus hexastichus, n. sp. (vel Artostrobus hexastichus),	×	500	1470

PLATE 81.
Stephanida.
Diam.			Page.
Fig. 1. Archicircus primordialis, n. sp.,	×	200	942
Fig. 2. Zygocircus polygonus, n. sp.,	×	200	947
Fig. 3. Zygocircus triquetrus, n. sp.,	×	300	947
Fig. 4. Archicircus hexacanthus, n. sp.,	×	300	942
Fig. 5. Zygocircus acacia, n. sp.,	×	300	947
Fig. 6. Lithocircus crambessa, n. sp.,	×	400	944
Fig. 7. Archicircus rhombus, n. sp.,	×	300	942
Fig. 8. Zygocircus pentagonus, n. sp.,	×	300	946
Fig. 9. Lithocircus quadricornis, n. sp.,	×	300	944
Fig. 10. Dendrocircus arborescens, n. sp.,	×	300	949
Fig. 11. Dendrocircus dodecancistra, n. sp.,	×	300	949
Fig. 12. Archicircus sexangularis, n. sp.,	×	300	943
Fig. 13. Dendrocircus elegans, n. sp.,	×	400	949
Fig. 14. Dendrocircus stalactites, n. sp.,	×	400	950
Fig. 15. Lithocircus decimalis, n. sp.,	×	300	944
Fig. 16. Lithocircus magnificus, n. sp.,	×	400	945
The ovate, red-coloured central capsule exhibits in the lower half the striate podoconus, in the upper half four oil-globules, and at the left the kidney-shaped nucleus. Numerous "yellow cells" or xanthellæ are scattered in the calymma, which contains brown pigment around the porochora. Numerous pseudopodia radiate from the supporting spines of the sagittal ring.
Fig. 17. Lithocircus hexablastus, n. sp.,	×	400	944

PLATE 82.
Coronida et Tympanida.
Diam.			Page.
Fig. 1. Coronidium cervicorne, n. sp.,	×	400	974
Seen from the apical pole.
Fig. 2. Coronidium acacia, n. sp.,	×	300	975
Fig. 3. Eucoronis angulata, n. sp.,	×	400	978
Half from the apical, half from the dorsal side.
Fig. 4. Eucoronis challengeri, n. sp.,	×	400	978
The red central capsule encloses a large ovate nucleus and is surrounded by numerous xanthellæ.
Fig. 5. Eucoronis nephrospyris, n. sp.,	×	300	977
Fig. 6. Eucoronis perspicillum, n. sp.,	×	300	977
Fig. 7. Coronidium dyostephanus, n. sp.,	×	400	974
Seen from the apical pole.
Fig. 8. Coronidium diadema, n. sp.,	×	300	974
Fig. 9. Acrocubus octopylus, n. sp.,	×	300	993
Fig. 10. Parastephanus asymmetricus, n. sp.,	×	400	1008
Fig. 11. Eutympanium militare, n. sp.,	×	400	1014
Oblique view.
Fig. 12. Lithocubus astragalus, n. sp.,	×	400	1012
Fig. 13. Trissocircus globus, n. sp.,	×	400	986

PLATE 83.
Stephanida, Semantida, Coronida, Tympanida, Zygospyrida, Phormospyrida et Androspyrida.
Diam.			Page.
Fig. 1. Lithotympanum tuberosum, n. sp.,	×	400	1006
Fig. 2. Eutympanium musicantum, n. sp.,	×	300	1013
Fig. 3. Semantis distephanus, n. sp.,	×	300	957
Fig. 4. Sphærospyris globosa, n. sp.,	×	300	1100
Fig. 5. Trissocyclus stauroporus, n. sp.,	×	200	987
Fig. 6. Trissocircus binellipsis, n. sp.,	×	300	985
Fig. 7. Podocoronis toxarium, n. sp.,	×	200	980
Fig. 8. Androspyris anthropiscus, n. sp.,	×	400	1093
Fig. 9. Cortina tripus, n. sp.,	×	200	950
Fig. 10. Cephalospyris cancellata, n. sp.,	×	400	1035
Fig. 11. Tripospyris furcata, n. sp.,	×	400	1029
Fig. 12. Petalospyris novena, n. sp.,	×	400	1062
Basal view of the shell, with the cortinar septum.
Fig. 13. Rhodospyris tricornis, n. sp.,	×	400	1089
Fig. 14. Desmospyris mammillata, n. sp.,	×	400	1089
Fig. 15. Phormospyris tricostata, n. sp.,	×	400	1087
Fig. 16. Zygospyris equus, n. sp.,	×	300	1056
Fig. 17. Archicircus monostephus, n. sp.,	×	300	941
Fig. 18. Dipospyris cubus, n. sp.,	×	400	1036
Basal view of the shell, with the cortinar septum.
Fig. 19. Gamospyris circulus, n. sp.,	×	200	1042
Fig. 20. Stephanospyris excellens, n. sp.,	×	300	1043

PLATE 84.
Zygospyrida.
Diam.			Page.
Fig. 1. Tripospyris capitata, n. sp.,	×	400	1028
Seen from the dorsal side.
Fig. 2. Tripospyris semantis, n. sp.,	×	300	1026
Seen from the ventral side.
Fig. 3. Tripospyris semantis, n. sp.,	×	300	1026
Seen from the lateral side.
Fig. 4. Tripospyris eucolpos, n. sp.,	×	300	1029
Seen from the dorsal side.
Fig. 5. Tripospyris diomma, n. sp.,	×	400	1026
Half from the right side, half from the basal side.
Fig. 6. Tripospyris cortiniscus, n. sp.,	×	500	1026
Half from the dorsal, half from the right side.
Fig. 6a. Frontal section through the ring,	×	500
Fig. 7. Tripospyris conifera, n. sp.,	×	400	1027
Seen from the dorsal side.
Fig. 7a. From the basal side,	×	200
Fig. 8. Tripospyris euscenium, n. sp. (vel Euscenium tripospyris),	×	400	1147
Seen from the frontal or ventral side.
Fig. 9. Triceraspyris gazella, n. sp.,	×	500	1031
Seen from the ventral side.
Fig. 10. Triceraspyris damæcornis, n. sp., (vel Elaphospyris damæcornis?); compare p. 1032,	×	400	1057
Seen from the apical (or basal?) side.
Fig. 11. Triceraspyris giraffa, n. sp.,	×	400	1031
Seen from the frontal side.
Fig. 12. Triceraspyris corallorrhiza, n. sp.,	×	400	1031
Seen from the frontal side.
Fig. 13. Tristylospyris scaphipes, n. sp.,	×	400	1033
Seen from the dorsal side.
Fig. 14. Tristylospyris palmipes, n. sp.,	×	400	1033
Seen from the dorsal side.
Fig. 15. Tristylospyris clavipes, n. sp.,	×	400	1033
Seen from the basal side.

PLATE 85.
Zygospyrida.
Diam.			Page.
Fig. 1. Dipospyris forcipata, n. sp.,	×	300	1037
Fig. 2. Dipospyris irregularis, n. sp.,	×	200	1037
Fig. 3. Dipospyris chelifer, n. sp.,	×	300	1037
Fig. 4. Dorcadospyris dinoceras, n. sp.,	×	400	1041
Fig. 5. Dorcadospyris antilope, n. sp.,	×	200	1041
Fig. 6. Dorcadospyris dentata, n. sp.,	×	200	1040
Fig. 7. Dorcadospyris decussata, n. sp.,	×	200	1041
Fig. 8. Dendrospyris polyrrhiza, n. sp.,	×	200	1039
Fig. 9. Dendrospyris arborescens, n. sp.,	×	400	1040
Fig. 10. Stephanospyris cordata, n. sp.,	×	200	1042
Fig. 11. Stephanospyris verticillata, n. sp.,	×	300	1043

PLATE 86.
Zygospyrida.
Diam.			Page.
Fig. 1. Ceratospyris polygona, n. sp.,	×	400	1066
Fig. 2. Ceratospyris strasburgeri, n. sp.,	×	400	1067
Fig. 3. Ceratospyris allmersii, n. sp.,	×	400	1067
Fig. 4. Ceratospyris mulderi, n. sp.,	×	400	1067
Fig. 5. Anthospyris aculeata, n. sp.,	×	400	1065
Fig. 6. Petalospyris dictyocubus, n. sp.,	×	400	1063
Fig. 7. Liriospyris hexapoda, n. sp.,	×	400	1049
Fig. 8. Aegospyris caprina, n. sp.,	×	400	1054
Fig. 9. Ceratospyris preyeri, n. sp.,	×	400	1068
Fig. 10. Ceratospyris krausei, n. sp.,	×	400	1068
Fig. 11. Ceratospyris carnerii, n. sp.,	×	400	1069
Fig. 12. Elaphospyris alcicornis, n. sp.,	×	400	1057
Fig. 13. Elaphospyris cervicornis, n. sp.,	×	400	1057

PLATE 87.
Zygospyrida et Tholospyrida.
Diam.			Page.
Fig. 1. Gorgospyris medusa, n. sp.,	×	300	1070
Fig. 2. Gorgospyris medusetta, n. sp.,	×	300	1070
From the basal side, with the nine cortinar pores.
Fig. 3. Gorgospyris polypus, n. sp.,	×	300	1070
Fig. 4. Gorgospyris schizopodia, n. sp.,	×	400	1071
Fig. 5. Gorgospyris eurycolpos, n. sp.,	×	300	1071
Fig. 6. Gorgospyris liriope, n. sp.,	×	300	1071
Fig. 7. Tiarospyris pervia, n. sp.,	×	400	1082
Fig. 8. Tiarospyris amphora, n. sp.,	×	400	1083
Fig. 9. Tiarospyris mitra, n. sp.,	×	400	1082
From the ventral side.
Fig. 10. Tiarospyris mitra, n. sp.,	×	400	1082
From the dorsal side.
Fig. 11. Petalospyris octopus, n. sp.,	×	400	1061
Fig. 12. Petalospyris dinoceras, n. sp.,	×	400	1063
Fig. 13. Petalospyris lobata, n. sp.,	×	300	1064
Fig. 14. Petalospyris triomma, n. sp.,	×	200	1060
From the basal side, with the six cortinar pores.
Fig. 15. Anthospyris spathulata, n. sp.,	×	400	1065
Fig. 16. Anthospyris mammillata, n. sp.,	×	400	1064
Fig. 17. Anthospyris tragopogon, n. sp.,	×	300	1066
Fig. 18. Anthospyris doronicum, n. sp.,	×	300	1065
Fig. 19. Ceratospyris calorrhiza, n. sp.,	×	400	1069

PLATE 88.
Tympanida et Androspyrida.
Diam.			Page.
Fig. 1. Toxarium circospyris, n. sp.,	×	400	995
Fig. 2. Amphispyris sternalis, n. sp.,	×	300	1096
Fig. 3. Amphispyris costata, n. sp.,	×	300	1097
Fig. 4. Amphispyris thorax, n. sp.,	×	300	1096
Fig. 5. Amphispyris subquadrata, n. sp.,	×	300	1097
Fig. 6. Amphispyris quadrigemina, n. sp.,	×	300	1096
Fig. 7. Amphispyris toxarium, n. sp.,	×	300	1097
Fig. 8. Tricolospyris baconiana, n. sp.,	×	400	1098
Fig. 9. Tricolospyris leibnitziana, n. sp.,	×	600	1098
Fig. 10. Tricolospyris kantiana, n. sp.,	×	600	1098
Fig. 11. Tricolospyris newtoniana, n. sp.,	×	400	1098
Fig. 12. Perispyris lentellipsis, n. sp.,	×	400	1099
Fig. 13. Perispyris bicincta, n. sp.,	×	400	1099

PLATE 89.
Zygospyrida, Tholospyrida et Androspyrida.
Diam.			Page.
Fig. 1. Tholospyris tripodiscus, n. sp.,	×	400	1079
Ventral side.
Fig. 2. Tholospyris fenestrata, n. sp.,	×	400	1079
Dorsal side.
Fig. 3. Tholospyris ramosa, n. sp.,	×	400	1079
Dorsal side.
Fig. 4. Tholospyris cupola, n. sp.,	×	400	1080
Ventral side.
Fig. 5. Therospyris leo, n. sp.,	×	400	1059
Ventral side.
Fig. 6. Therospyris felis, n. sp.,	×	400	1059
Dorsal side.
Fig. 7. Dictyospyris stalactites, n. sp.,	×	400	1073
Ventral side.
Fig. 8. Dictyospyris anthophora, n. sp.,	×	400	1076
Ventral side.
Fig. 9. Dictyospyris mammillaris, n. sp.,	×	400	1076
Ventral side.
Fig. 10. Dictyospyris mammillaris, n. sp.,	×	400	1076
Frontal section.
Fig. 11. Dictyospyris distoma, n. sp.,	×	300	1073
Ventral side.
Fig. 12. Dictyospyris distoma, n. sp.,	×	300	1073
Frontal section.
Fig. 13. Lamprospyris darwinii, n. sp.,	×	300	1094
Ventral side.
Fig. 14. Lamprospyris huxleyi, n. sp.,	×	300	1094
Ventral side.

PLATE 90.
Androspyrida.
Diam.			Page.
Fig. 1. Nephrospyris paradictyum, n. sp. (vel Paradictyum paradoxum),	×	250	1102
The complete shell, seen from the frontal side.
Fig. 2. Nephrospyris paradictyum, n. sp.,	×	250	1102
The incomplete shell, seen from the dorsal side.
Fig. 3. Nephrospyris paradictyum, n. sp.,	×	500	1102
The sagittal ring, isolated, from the dorsal side; more enlarged.
Fig. 4. Nephrospyris paradictyum, n. sp.,	×	120	1102
Vertical section through half the shell, exhibiting the thickened margin with the included symbiontes (compare page 1101).
Fig. 5. Nephrospyris paradictyum, n. sp.,	×	200	1102
Oblique marginal view of the shell.
Fig. 6. Nephrospyris paradictyum, n. sp.,	×	250	1102
Marginal view of a young specimen, with open fissure between the two parallel net-plates.
Fig. 7. Nephrospyris paradictyum, n. sp.,	×	250	1102
The soft body alone, without the skeleton. The bilobed central capsule exhibits a central transverse nucleus, and on each lobe a stratum of oil-globules. The kidney-shaped calymma contains on the margin numerous symbiontes (Xanthellæ or Vorticellinæ? Compare page 1102).
Fig. 8. Nephrospyris paradictyum, n. sp.,	×	500	1102
Three single unicellular symbiontes (Zooxanthellæ?).
Fig. 9. Nephrospyris renilla, n. sp. (vel Nephrodictyum renilla),	×	250	1101
The bilobed central capsule is enclosed by the discoidal shell and in the middle constricted by the sagittal ring; it contains a transverse nucleus. The kidney-shaped calymma contains in the peripheral part numerous symbiontes (Xanthellæ or Vorticellinæ? Compare page 1101).
Fig. 10. Nephrospyris renilla, n. sp.,	×	250	1101
A singular abnormality (occurring not rarely), in which the reduced skeleton has nearly disappeared and the sagittal ring alone remained. The kidney-shaped calymma, however, which encloses numerous symbiontes, has preserved the form of the skeleton. The bilobed central capsule is similar to that in figs. 7 and 9, and is encircled by the thickened sagittal ring.

PLATE 91.
Nassellida, Plagonida et Plectanida.
Diam.			Page.
Fig. 1. Cystidium princeps, n. sp.,	×	400	897
Fig. 2. Triplagia primordialis, n. sp.,	×	100	909
Fig. 3. Tetraplagia phænaxonia, n. sp.,	×	200	911
Fig. 4. Plagoniscus tripodiscus, n. sp.,	×	200	912
Fig. 5. Plagiocarpa procortina, n. sp.,	×	300	914
Fig. 6. Plagonium sphærozoum, n. sp.,	×	300	916
Fig. 7. Triplecta triactis, n. sp.,	×	300	922
Fig. 8. Tetraplecta pinigera, n. sp.,	×	300	924
Fig. 9. Plectaniscus cortiniscus, n. sp.,	×	300	925
Fig. 10. Periplecta cortina, n. sp.,	×	400	926
Fig. 11. Plectanium trigeminum, n. sp.,	×	400	928
Fig. 12. Polyplecta heptacantha, n. sp.,	×	300	929

PLATE 92.
Stephanida et Semantida.
Diam.			Page.
Fig. 1. Semantis sigillum, n. sp.,	×	400	957
Fig. 2. Semantis biforis, n. sp.,	×	300	956
Fig. 3. Semantrum tetrastoma, n. sp.,	×	300	959
Fig. 4. Semantrum signarium, n. sp.,	×	400	960
Fig. 5. Semantrum quadrifore, n. sp.,	×	400	958
Fig. 6. Semantidium hexastoma, n. sp.,	×	400	960
Fig. 7. Semantidium signatorium, n. sp.,	×	400	961
Fig. 8. Clathrocircus stapedius, n. sp.,	×	400	962
Fig. 9. Clathrocircus dictyospyris, n. sp.,	×	300	963
Fig. 10. Clathrocircus multiforis, n. sp.,	×	300	963
Fig. 11. Cortiniscus tripodiscus, n. sp.,	×	400	963
Fig. 12. Cortiniscus typicus, n. sp.,	×	300	964
Fig. 13. Cortiniscus dipylaris, n. sp.,	×	400	964
Fig. 14. Stephaniscus quadrifurcus, n. sp.,	×	300	965
Fig. 15. Stephaniscus quadrigatus, n. sp.,	×	400	965
Fig. 16. Semantiscus hexapodius, n. sp.,	×	400	966
Fig. 17. Semantiscus hexapylus, n. sp.,	×	400	967
Fig. 18. Semantiscus hexaspyris, n. sp.,	×	400	966
Fig. 19. Lithocircus tarandus, n. sp.,	×	400	944
Fig. 20. Stephanium quadrupes, n. sp.,	×	200	952
Fig. 21. Cortina cervina, n. sp.,	×	300	952

PLATE 93.
Coronida et Tympanida..
Diam.			Page.
Fig. 1. Zygostephanus dissocircus, n. sp.,	×	300	971
Fig. 2. Zygostephanus bicornis, n. sp.,	×	300	972
Fig. 3. Zygostephanium dizonium, n. sp.,	×	300	973
Fig. 4. Zygostephanium paradictyum, n. sp.,	×	300	973
Fig. 5. Acanthodesmia corona, n. sp.,	×	400	976
Fig. 6. Plectocoronis pentacantha, n. sp.,	×	300	979
Fig. 7. Tristephanium quadricorne, n. sp.,	×	300	984
Fig. 8. Tristephanium octopyle, n. sp.,	×	300	983
Fig. 9. Tristephanium dimensivum, n. sp.,	×	400	983
Fig. 10. Trissocircus lentellipsis, n. sp.,	×	300	985
Fig. 11. Trissocircus octostoma, n. sp.,	×	300	986
Fig. 12. Trissocyclus sphæridium, n. sp.,	×	300	987
Fig. 13. Tricyclidium dictyospyris, n. sp.,	×	300	984
Fig. 14. Protympanium amphipodium, n. sp.,	×	300	992
Fig. 15. Acrocubus arcuatus, n. sp.,	×	300	993
Fig. 16. Acrocubus cortina, n. sp.,	×	300	994
Fig. 17. Acrocubus amphithectus, n. sp.,	×	300	995
Fig. 18. Toxarium thorax, n. sp.,	×	300	996
Fig. 19. Toxarium cordatum, n. sp.,	×	300	996
Fig. 20. Toxarium bifurcum, n. sp.,	×	300	997
Fig. 21. Parastephanus quadrispinus, n. sp.,	×	300	1008
Fig. 22. Prismatium tripodium, n. sp.,	×	300	1009

PLATE 94.
Tympanida.
Diam.			Page.
Fig. 1. Tympanidium foliosum, n. sp.,	×	400	1003
Fig. 2. Octotympanum cervicorne, n. sp.,	×	400	1000
Fig. 3. Octotympanum octonarium, n. sp.,	×	400	1000
Fig. 4. Tympaniscus quadrupes, n. sp.,	×	400	1002
Fig. 5. Tympaniscus dipodiscus, n. sp.,	×	400	1001
Frontal view.
Fig. 6. Tympaniscus dipodiscus, n. sp.,	×	400	1001
Lateral view.
Fig. 7. Tympaniscus tripodiscus, n. sp.,	×	400	1002
Frontal view.
Fig. 8. Microcubus zonarius, n. sp.,	×	300	998
Fig. 9. Microcubus dodecastoma, n. sp.,	×	300	998
Fig. 10. Microcubus amphispyris, n. sp.,	×	400	999
Fig. 11. Pseudocubus obeliscus, n. sp.,	×	400	1010
Fig. 12. Pseudocubus hexapylus, n. sp.,	×	300	1011
Fig. 13. Lithocubus geometricus, n. sp.,	×	200	1011
Fig. 14. Paratympanum octostylum, n. sp.,	×	400	1005
Fig. 15. Dystympanium dictyocha, n. sp.,	×	400	1007
Lateral view.
Fig. 16. Dystympanium dictyocha, n. sp.,	×	400	1007
Apical view.
Fig. 17. Circotympanum octogonium, n. sp.,	×	500	1013
Fig. 18. Tympanidium binoctonum, n. sp.,	×	400	1004

PLATE 95.
Zygospyrida, Tholospyrida, Phormospyrida et Androspyrida.
Diam.			Page.
Fig. 1. Tripospyris cortina, n. sp.,	×	300	1025
Basal view.
Fig. 2. Tripospyris triplecta, n. sp.,	×	300	1027
Basal view.
Fig. 3. Tripospyris semantrum, n. sp.,	×	400	1027
Basal view.
Fig. 4. Tripospyris hexomma, n. sp.,	×	300	1028
Basal view.
Fig. 5. Brachiospyris diacantha, n. sp.,	×	400	1038
Basal view.
Fig. 6. Tetraspyris stephanium, n. sp.,	×	300	1044
Basal view.
Fig. 7. Liriospyris amphithecta, n. sp.,	×	300	1050
Basal view.
Fig. 8. Hexaspyris hexacorethra, n. sp.,	×	300	1048
Frontal view.
Fig. 9. Clathrospyris pyramidalis, n. sp.,	×	500	1052
Frontal view.
Fig. 10. Aegospyris aegoceras, n. sp.,	×	400	1054
Frontal view.
Fig. 11. Pentaspyris pentacantha, n. sp.,	×	400	1054
Dorsal view.
Fig. 12. Taurospyris cervina, n. sp.,	×	400	1058
Frontal view.
Fig. 13. Circospyris nucula, n. sp.,	×	300	1072
Dorsal view.
Fig. 14. Lophospyris dipodiscus, n. sp.,	×	400	1080
Frontal view.
Fig. 15. Sepalospyris platyphylla, n. sp.,	×	400	1081
Dorsal view.
Fig. 16. Pylospyris canariensis, n. sp.,	×	400	1084
Frontal view.
Fig. 17. Acrospyris clathrocanium, n. sp.,	×	300	1085
Dorsal view.
Fig. 18. Phormospyris tridentata, n. sp.,	×	400	1087
Frontal view.
Fig. 19. Patagospyris anthocyrtis, n. sp.,	×	500	1088
Dorsal view.
Fig. 20. Androspyris pithecus, n. sp.,	×	400	1093
Lateral view.

PLATE 96.
Cannobotryida, Lithobotryida et Pylobotryida
Diam.			Page.
Fig. 1. Botryopera cyrtoloba, n. sp.,	×	500	1108
Apical view.
Fig. 2. Botryopera quinqueloba, n. sp.,	×	500	1109
Half lateral, half frontal view.
Fig. 3. Cannobotrys tricanna, n. sp.,	×	400	1110
View half from the frontal, half from the left side.
Fig. 4. Cannobotrys cortina, n. sp.,	×	400	1110
Basal view.
Fig. 5. Botryopyle inclusa, n. sp.,	×	500	1113
Frontal view.
Fig. 6. Botryopyle dictyocephalus, n. sp.,	×	500	1113
Lateral view (right side).
Fig. 7. Botryopyle sethocorys, n. sp.,	×	400	1112
Frontal view.
Fig. 8. Acrobotrys trisolenia, n. sp.,	×	400	1115
Lateral view (right side).
Fig. 9. Acrobotrys acuminata, n. sp.,	×	400	1115
Lateral view (right side).
Fig. 10. Acrobotrys disolenia, n. sp.,	×	400	1114
Lateral view (left side).
Fig. 11. Acrobotrys auriculata, n. sp.,	×	500	1115
Lateral view (right side).
Fig. 12. Botryocella multicellaris, n. sp.,	×	500	1117
Lateral view (left side).
Fig. 13. Botryocella quadricellaris, n. sp.,	×	400	1117
Lateral view (left side).
Fig. 14. Botryocella quadrigemina, n. sp.,	×	400	1117
Collar septum, between cephalis and thorax.
Fig. 15. Lithobotrys sphærothorax, n. sp.,	×	500	1119
Lateral view (right side).
Fig. 16. Lithobotrys mascula, n. sp.,	×	500	1119
Frontal view.
Fig. 17. Lithobotrys orchidea, n. sp.,	×	500	1119
Frontal view.
Fig. 18. Botryocyrtis cerebellum, n. sp.,	×	400	1121
Apical view.
Fig. 19. Botryocyrtis theocampe, n. sp.,	×	500	1121
Lateral view (left side).
Fig. 20. Pylobotrys fontinalis, n. sp.,	×	400	1122
Apical view.
Fig. 21. Pylobotrys putealis, n. sp.,	×	500	1121
Lateral view (right side).
Fig. 22. Pylobotrys cerebralis, n. sp.,	×	500	1122
Dorsal view.
Fig. 23. Botryocampe rotalia, n. sp.,	×	400	1123
Collar septum.
Fig. 24. Botryocampe camerata, n. sp.,	×	500	1124
Lateral view (left side).
Fig. 25. Phormobotrys cannothalamia, n. sp.,	×	400	1125
Lateral view (right side).
Fig. 26. Phormobotrys trithalamia, n. sp.,	×	500	1124
Frontal section. The dorsal wall is visible, in the cephalis the cruciform frontal septum.
Fig. 27. Phormobotrys pentathalamia, n. sp.,	×	400	1124
Lateral view (left side).
Fig. 28. Cephalospyris triangulata, n. sp.,	×	400	1035
The central capsule encloses numerous spherical concrements.

PLATE 97.
Stephanida, Coronida, Tripocalpida, Phænocalpida, Tripocyrtida, Podocyrtida et Podocampida.
Diam.			Page.
Fig. 1. Cortina typus, n. sp.,	×	300	951
View from the right side. The upper part of the central capsule includes the nucleus, the lower part the podoconus, besides some oil-globules. The two pectoral feet are partly broken off.
Fig. 2. Podocoronis cortiniscus, n. sp.,	×	400	981
View from the right anterior side.
Fig. 3. Tripocalpis cortinaris, n. sp.,	×	400	1137
Fig. 4. Phænocalpis petalospyris, n. sp.,	×	400	1173
Lateral view (inverted).
Fig. 5. Haliphormis lagena, n. sp.,	×	200	1167
Fig. 6. Halicapsa lithapium, n. sp.,	×	300	1190
Basal view.
Fig. 7. Peridium alatum, n. sp.,	×	300	1155
Basal view.
Fig. 8. Sethopilium orthopus, n. sp.,	×	300	1202
Basal view.
Fig. 9. Sethopilium macropus, n. sp.,	×	400	1203
Fig. 10. Amphiplecta acrostoma, n. sp.,	×	400	1223
Fig. 11. Sethopera tricostata, n. sp.,	×	400	1232
Fig. 12. Acanthocorys macroceras, n. sp.,	×	200	1264
Fig. 13. Sethophæna hexaptera, n. sp.,	×	400	1286
Fig. 14. Theopodium tricostatum, n. sp.,	×	400	1328
Fig. 15. Podocampe trictenota, n. sp.,	×	500	1446

PLATE 98.
Tripocalpida et Phænocalpida.
Diam.			Page.
Fig. 1. Euscenium plectaniscus, n. sp.,	×	300	1146
Half frontal, half basal view.
Fig. 2. Cladoscenium pectinatum, n. sp.,	×	400	1150
Shell opened by a vertical section.
Fig. 3. Archiscenium cyclopterum, n. sp.,	×	400	1151
View from the dorsal side.
Fig. 4. Pteroscenium arcuatum, n. sp.,	×	400	1152
The central capsule contains a large spherical nucleus with a nucleolus.
Fig. 5. Archipera cortiniscus, n. sp.,	×	400	1155
Fig. 6. Archibursa tripodiscus, n. sp.,	×	400	1157
Basal view.
Fig. 7. Archipilium orthopterum, n. sp.,	×	400	1139
Fig. 8. Tripilidium costatum, n. sp.,	×	300	1141
Fig. 8a. Central capsule in the upper part of the shell,
Fig. 8b. Cortinar septum,
Fig. 9. Phænoscenium hexapodium, n. sp.,	×	300	1175
Fig. 10. Archiphæna gorgospyris, n. sp.,	×	300	1178
Fig. 10a. Cortinar septum with four collar pores,	×	300
Fig. 11. Archiphormis urceolata, n. sp.,	×	300	1168
Fig. 12. Halicalyptra petalospyris, n. sp.,	×	400	1169
Fig. 13. Arachnocalpis ellipsoides, n. sp.,	×	300	1172
The central capsule is filled up by clear vacuoles and exhibits in the upper half the ellipsoidal nucleus and four oil-globules, in the lower half the slender striated podoconus.
Fig. 13a. A piece of the network, more enlarged,	×	900

PLATE 99.
Challengerida.
Diam.			Page.
(The central capsule is coloured red and the phæodium green in Figs. 1, 6, 10, 14-17, 20).
Fig. 1. Challengeria murrayi, n. sp.,	×	50	1653
From the dorsal side. Numerous streams of sarcode arise from the central capsule and pierce the calymma inside the shell.
Fig. 2. Challengeria wildi, n. sp.,	×	400	1653
The peristome from the left side.
Fig. 3. Challengeria bromleyi, n. sp.,	×	400	1652
From the dorsal side.
Fig. 4. Challengeria sloggettii, John Murray	×	150	1649
The ventral corner broken off. From the left side.
Fig. 4a. Vertical section through the shell-wall.
Fig. 5. Challengeria tritonis, n. sp.,	×	150	1649
Fig. 6. Challengeron diodon, n. sp.,	×	400	1654
From the dorsal side. The shell contains two central capsules.
Fig. 7. Challengeron pearceyi, n. sp.,	×	300	1654
From the dorsal side.
Fig. 8. Challengeron richardsii, n. sp.,	×	100	1655
From the oral margin
Fig. 9. Challengeron fergusoni, n. sp.,	×	100	1656
From the right side.
Fig. 10. Challengeron triangulum, n. sp.,	×	200	1656
From the right side.
Fig. 11. Challengeron crosbiei, n. sp.,	×	300	1657
From the ventral side.
Fig. 12. Challengeron buchanani, n. sp.,	×	300	1657
From the right side.
Fig. 13. Challengeron willemoesii, n. sp.,	×	400	1659
From the ventral side.
Fig. 14. Challengeron moseleyi, n. sp.,	×	300	1658
From the right side.
Fig. 15. Challengeron wyvillei, n. sp.,	×	300	1660
From the left side.
Fig. 16. Porcupinia cordiformis, n. sp.,	×	200	1663
From the right side.
Fig. 17. Pharyngella gastræa, n. sp.,	×	150	1662
Fig. 18. Pharyngella gastrula, n. sp.,	×	150	1662
Fig. 19. Entocannula infundibulum, n. sp.,	×	100	1661
Fig. 20. Entocannula hirsuta, n. sp.,	×	150	1661
Fig. 21. Lithogromia diatomacea, n. sp.,	×	400	1647
A piece of the shell with diatomaceous structure.
Fig. 21a. Vertical section through the shell-wall.
Fig. 22. Lithogromia silicea, n. sp.,	×	150	1647

PLATE 100.
Tuscarorida.
Diam.			Page.
Fig. 1. Tuscarora bisternaria, John Murray,	×	30	1706
View from the dorsal side.
Fig. 1a. View from the mouth pole	×	25
Fig. 2. Tuscarora murrayi, n. sp.,	×	30	1706
View from the dorsal side. The central capsule (in the aboral half), and the phæodium (in the middle of the shell-cavity) are visible. A fine network of pseudopodia pierces the calymma, which fills up the shell-cavity.
Fig. 3. Tuscarora wyvillei, n. sp.,	×	30	1707
View from the dorsal side.
Fig. 3a. Base of a tooth,	×	100
Fig. 3b. Transverse section through the base of a tooth.
Fig. 3c. Base of a foot.
Fig. 4. Tuscarora tetrahedra, John Murray,	×	15	1707
View from the dorsal side.
Fig. 4a. Mouth with the three teeth,	×	50
Fig. 5. Tuscarora tubulosa, John Murray,	×	40	1707
View from the ventral side.
Fig. 5a. Mouth with the two teeth,	×	100
Fig. 5b. Basal part of a single tooth,	×	150
Fig. 6. Tuscarora porcellana, John Murray,	×	600	1708
Fig. 6a. A piece of the shell, with five pores.
Fig. 6b. A piece of a tooth, with the internal axial rod and its transverse branches.
Fig. 7. Tuscarusa medusa, n. sp.,	×	25	1709
View from the side.
Fig. 7a. View from the mouth,	×	50
Fig. 8. Tuscaridium lithornithium, n. sp.,	×	20	1710
View from the ventral side. Central capsule and calymma as in fig. 2.
Fig. 8a. Peristome from the ventral side.
Fig. 8b. Peristome from the right side.

PLATE 101.
Phæodinida, Cannorrhaphida et Aulacanthida.
Diam.			Page.
Fig. 1. Phæocolla primordialis, n. sp.,	×	300	1544
Central capsule, isolated. The double contoured outer membrane exhibits only one opening, with a radiate operculum and long proboscis. The granular protoplasm encloses clear spherical vacuoles. The sphæroidal nucleus contains irregular amœboid nucleoli.
Fig. 2. Phæodina tripylea, n. sp.,	×	300	1545
A central capsule in self-division, with two elliptical nuclei. The astropyle is already bisected and has two proboscides.
Fig. 3. Cannorrhaphis spinulosa, n. sp.,	×	300	1552
A complete specimen with two central capsules, each of which contains two nuclei. The alveolate calymma contains a dark phæodium and is surrounded by tangential tubular needles.
Fig. 4. Cannorrhaphis spinulosa, n. sp.,	×	300	1552
A single tangential tube.
Fig. 5. Cannorrhaphis spathillata, n. sp.,	×	300	1552
A single tangential tube.
Fig. 6. Aulactinium actinastrum, n. sp.,	×	100	1574
A complete specimen, seen in optical meridional section. In the centre the spheroidal central capsule, with its double membrane and three openings (above two lateral parapylæ, below the large astropyle with its radiate operculum). The capsule encloses numerous spherical vacuoles and two hemispherical nuclei, each with numerous nucleoli. The anterior half of the capsule is surrounded by the blackish phæodium. The spherical calymma contains numerous globular alveoles and is pierced by the radial tubes, the proximal ends of which are in contact with the surface of the central capsule (compare Pl. 103, fig. 1).
Fig. 7. Aulactinium actinastrum, n. sp.,	×	300	1574
A single radial tube.
Fig. 8. Aulactinium actinelium, n. sp.,	×	200	1574
A single radial tube.
Fig. 9. Mesocena stellata, n. sp.,	×	600	1557
A single annular piece of the skeleton
Fig. 10. Dictyocha stapedia, n. sp.,	×	300	1561
A complete specimen, observed living at Ceylon. In the centre is visible the large, spheroidal, tripylean central capsule, with its three openings, containing a large nucleus with numerous nucleoli. Its oral half is covered with the dark phæodium. The voluminous spherical calymma contains numerous globular alveoles and its surface is covered with scattered, stirrup-shaped pieces of the skeleton. Numerous free pseudopodia arise from the surface.
Fig. 11. Dictyocha stapedia, n. sp.,	×	800	1561
A single piece of the skeleton, from above.
Fig. 12. Dictyocha stapedia, n. sp.,	×	800	1561
A twin piece of the skeleton.
Fig. 13. Dictyocha medusa, n. sp.,	×	800	1560
A single piece of the skeleton, from the side.
Fig. 14. Dictyocha medusa, n. sp.,	×	800	1560
A single piece of the skeleton, from above.

PLATE 102.
Aulacanthida.
Diam.			Page.
Fig. 1. Auloceros elegans, n. sp.,	×	80	1584
A complete specimen, observed living at Ceylon. In the centre is visible the red central capsule with its three openings, containing a large nucleus of half the size, with numerous nucleoli. The alveolate calymma encloses a green excentric phæodium, is surrounded by a veil of interwoven tangential needles, and forms conical elevations, which enclose the piercing radial tubes. Between these radiate numerous pseudopodia (compare for the single parts, Pl. 103, fig. 1 and Pl. 104, figs. 1-3, and their explanation).
Figs. 2-6. Auloceros furcosus, n. sp.,	×	100	1583
Distal ends of different radial tubes, exhibiting the great variability of this species.
Fig. 7. Auloceros trigeminus, n. sp.,	×	300	1584
Distal end of a single tube.
Fig. 8. Auloceros capreolus, n. sp.,	×	200	1584
Distal End of a Single Tube.
Figs. 9, 10. Auloceros cervinus, n. sp.,	×	300	1584
Distal ends of two single tubes.
Fig. 12. Auloceros spathillaster, n. sp.,	×	300	1585
Distal end of a single tube.
Figs. 11, 13. Auloceros arborescens, n. sp.,	×	300	1585
Distal ends of two single tubes.

PLATE 103.
Aulacanthida.
Diam.			Page.
Fig. 1. Aulographis candelabrum, n. sp.,	×	100	1583
p, The dark phæodium surrounding the central capsule on its oral part; a, a part of the surrounding alveolate calymma, also surrounding the central capsule; s, the veil of tangential needles covering the surface of the alveolate calymma; r, the big radial tubes, seven of which are visible, with an elegant verticil of terminal branches; f, the numerous pseudopodia radiating between the branches. The central capsule exhibits the following parts:—o, Astropyle; u, parapylæ; e, outer membrane; i, inner membrane; v, vacuoles; n, nucleus; l, nucleoli.
Figs. 2-9. Aulographis pandor, n. sp.,	×	100	1577
Distal ends of various radial tubes of a single specimen, exhibiting the extraordinary variability of this species.
Fig. 10. Aulographis furcula, n. sp.,	×	400	1580
A two-branched tube.
Fig. 11. Aulographis furcula, n. sp.,	×	400	1580
A three-branched tube.
Figs. 12, 13. Aulographis bovicornis, n. sp.,	×	200	1577
Two tubes with two branches.
Fig. 14. Aulographis bovicornis, n. sp.,	×	200	1577
A tube with three branches.
Fig. 15. Aulographis triangulum, n. sp.,	×	200	1580
A single tube.
Fig. 16. Aulographis taumorpha, n. sp.,	×	300	1577
Two tubes, each with two branches.
Fig. 17. Aulographis triglochin, n. sp.,	×	300	1578
A tube with three branches.
Figs. 18, 19. Aulographis hexancistra, n. sp.,	×	300	1581
Distal end of two tubes (one with four, the other with five terminal branches).
Fig. 20. Aulographis dentata, n. sp.,	×	200	1582
Distal end of a single tube.
Fig. 21. Aulographis ancorata, n. sp.,	×	300	1578
Two tubes, each with four recurved branches.
Fig. 22. Aulographis tetrancistra, n. sp.,	×	300	1581
A single tube.
Fig. 23. Aulographis stellata, n. sp.,	×	300	1578
a and b, Two rudimentary or incompletely developed tubes; c, a well-developed tube of the usual form.
Fig. 24. Aulographis asteriscus, n. sp.,	×	300	1581
Terminal verticil of a single tube.
Fig. 25. Aulographis cruciata, n. sp.,	×	300	1578
Distal end of a single tube.
Fig. 26. Aulographis pulvinata, n. sp.,	×	400	1582
Distal end of a single tube.
Fig. 27. Aulographis serrulata, n. sp.,	×	400	1582
Distal end of a single tube.

PLATE 104.
Aulacanthida.
Diam.			Page.
Aulacanthida.
Fig. 1. Aulospathis bifurca, n. sp.,	×	50	1586
A complete specimen, excellently preserved, with an ovate alveolate calymma and two central capsules. The surface of the calymma is covered with tangential needles.
Fig. 2. Aulospathis bifurca, n. sp.,	×	100	1586
An isolated central capsule of another specimen, surrounded by granules of the phæodium. o, Radiate operculum of the astropyle; u, the two lateral parapylæ; e, external membrane of the capsule; i, internal membrane; c, vacuoles in the protoplasm; n, nucleus; l, numerous nucleoli.
Fig. 3. Aulospathis bifurca, n. sp.,	×	80	1586
Two central capsules of another specimen, surrounded by the phæodium (Self-division). Characters as in fig. 2.
Fig. 4. Aulospathis bifurca, n. sp.,	×	100	1586
A single radial tube.
Fig. 5. Aulospathis bifurca, n. sp.,	×	200	1586
Distal part of another radial tube, partly filled up by air-bubbles.
Fig. 6. Aulospathis trifurca, n. sp.,	×	200	1586
Distal part of a single radial tube.
Fig. 7. Aulospathis trifurca, n. sp.,	×	200	1586
Distal part of another radial tube.
Fig. 8. Aulospathis triodon, n. sp.,	×	100	1587
A single radial tube.
Fig. 9. Aulospathis tetrodon, n. sp.,	×	200	1588
Distal end of single tube.
Figs. 10-13. Aulospathis polymorpha, n. sp.,	×	400	1587
Four single terminal branches with very different forms of spathillæ.
Figs. 14-17. Aulospathis variabilis, n. sp.,	×	400	1588
Four single terminal branches with very different forms of spathillæ.

PLATE 105.
Aulacanthida.
Diam.			Page.
AULACANTHIDA.
Fig. 1. Aulodendron indicum, n. sp.,	×	200	1590
A single tube.
Fig. 2. Aulodendron pacificum, n. sp.,	×	400	1589
Distal half of a tube.
Fig. 3. Aulodendron australe, n. sp.,	×	300	1589
A single tube.
Fig. 4. Aulacantha spinosa, n. sp.,	×	300	1575
Distal half of a tube.
Fig. 5. Aulodendron antarcticum, n. sp.,	×	300	1589
A single tube.
Fig. 6. Aulographis pistillum, n. sp.,	×	300	1579
A single tube.
Fig. 7. Aulographis martagon, n. sp.,	×	300	1579
Distal end of a single tube.
Fig. 8. Aulographis triæna, n. sp.,	×	80	1579
A single tube.
Fig. 9. Aulographis flammabunda, n. sp.,	×	100	1579
Distal end of a tube.
Fig. 10. Aulographis flosculus, n. sp.,	×	300	1580
Distal end of a tube.
Fig. 11. Aulographis gemmascens, n. sp.,	×	100	1580
Distal end of a tube.
Fig. 12. Aulographis verticillata, n. sp.,	×	400	1582
Distal end of a tube.
Fig. 12a. Apical view, with four verticils of five branches.
Fig. 13. Aulographis tripentas, n. sp.,	×	300	1582
Distal end of a tube.
Fig. 13a. Apical view, with three verticils of five branches.
Fig. 14. Auloceros dicranaster, n. sp.,	×	400	1585
Distal end of a tube, seen from the side.
Fig. 15. Auloceros dicranaster, n. sp.,	×	200	1585
Distal end of a tube, seen from the terminal face.
Fig. 16. Aulacantha cannulata, n. sp.,	×	300	1576
Distal end of a tube.

PLATE 106.
Orosphærida.
Diam.			Page.
Orosphærida.
Fig. 1. Orosphæra serpentina, n. sp.,	×	50	1595
The entire shell.
Fig. 2. Orosphæra horrida, n. sp.,	×	50	1596
The entire shell.
Fig. 3. Orosphæra arborescens, n. sp. (vel Orothamnus arborescens),	×	50	1597
The entire shell.
Fig. 4. Oroscena gegenbauri, n. sp.,	×	50	1597
The entire shell.
(Compare Pl. 12, fig. 1.)

PLATE 107.
Orosphærida.
Diam.			Page.
(Fig. 8 of this Plate has no number, by mistake; it is at the top in the middle.)
Fig. 1. Oroplegma diplosphæra, n. sp.,	×	50	1600
The entire shell, enveloped by an outer mantle of spongy framework.
Fig. 2. Oroplegma giganteum, n. sp.,	×	200	1601
A small piece of the spongy framework.
Fig. 3. Oroplegma spongiosum, n. sp.,	×	50	1601
A pyramidal elevation of the inner shell, with its spongy framework, and a radial spine on the top.
Fig. 4. Oroscena bærii, n. sp.,	×	100	1598
A pyramidal elevation of the shell, with a radial spine on its top.
Fig. 5. Orona maxima, n. sp.,	×	300	1594
A small piece of the network; the central canals of the bars are partly filled by air.
Fig. 6. Oroscena cuvieri, n. sp.,	×	50	1598
A single radial spine.
Fig. 7. Orona crassissima, n. sp.,	×	300	1594
A single bar of the coarse network, with dimpled surface.
Fig. 8. Oroscena mülleri, n. sp.,	×	50	1598
A single radial spine.

PLATE 108.
Sagosphærida.
Diam.			Page.
Sagosphærida.
Fig. 1. Sagoscena castra, n. sp.,	×	50	1608
Half the shell, with the enclosed central capsule and the phæodium, stained by carmine. (The central nucleus dark.)
Fig. 2. Sagmarium spongodictyum, n. sp.,	×	50	1612
Half the shell, with its delicate spongy framework.
Fig. 3. Sagenoscena stellata, n. sp.,	×	300	1610
Top and axial rod of a pyramid, prolonged into a crowned radial spine.
Fig. 4. Sagenoscena ornata, n. sp.,	×	300	1610
A single pyramid with its axial rod, prolonged into a crowned radial spine.
Fig. 5. Sagoscena pellorium, n. sp.,	×	300	1609
A single pyramid of the shell-surface.
Fig. 6. Sagoscena tentorium, n. sp.,	×	100	1608
A piece of the shell with eight pyramids.
Fig. 7. Sagoscena prætorium, n. sp.,	×	400	1609
Top of a pyramid.
Fig. 8. Sagena ternaria, n. sp.,	×	400	1606
A single triangular mesh of the lattice sphere.
Fig. 9. Sagmidium crucicorne, n. sp.,	×	400	1613
A single nodal point with three radial spines.
Fig. 9a. A portion of a spine, more highly magnified.
Fig. 10. Sagosphæra penicilla, n. sp.,	×	400	1607
One nodal point and its radial spine.
Fig. 11. Sagosphæra furcilla, n. sp.,	×	300	1607
Two nodal points of the network.
Fig. 11a. Extremity of a spine.
Fig. 12. Sagmidium quadricorne, n. sp.,	×	400	1614
A nodal point of the shell surface, with four divergent spines.
Fig. 13. Sagoplegma scenophora, n. sp.,	×	300	1615
Tops of two pyramids.
Fig. 14. Sagmarium plegmosphærium, n. sp.,	×	300	1612
A nodal point of the spongy framework.

PLATE 109.
Aulosphærida.
Diam.			Page.
Fig. 1. Aulosphæra dendrophora, n. sp.,	×	50	1625
The entire shell, with the central capsule and its nucleus, enveloped by the dark granular phæodium.
Fig. 2. Aulosphæra dendrophora, n. sp.,	×	300	1625
A single radial tube.
Fig. 3. Aulosphæra sceptrophora, n. sp.,	×	300	1625
A hexagonal group of six triangular meshes.
Fig. 4. Aulosphæra sceptrophora, n. sp.,	×	300	1625
A similar group, seen from the side, with three radial tubes.
Fig. 5. Aulosphæra spinosa, n. sp.,	×	300	1627
A hexagonal group of six triangular meshes.
Fig. 6. Aulosphæra undulata, n. sp.,	×	400	1627
A single radial tube.
Fig. 7. Aulosphæra spathillata, n. sp.,	×	400	1624
A single radial tube.
Fig. 7a. An abnormal variety,	×	400
Fig. 8. Aulosphæra triodon, n. sp.,	×	400	1623
A single radial tube.
Fig. 9. Aulosphæra trifurca, n. sp.,	×	400	1626
A single radial tube.
Fig. 10. Aulosphæra cruciata, n. sp.,	×	300	1624
A single radial tube.
Fig. 11. Aulosphæra bisternaria, n. sp.,	×	300	1624
A single radial tube.
Fig. 12. Aulosphæra bisternaria, n. sp.,	×	600	1624
Distal end of a single radial tube.

PLATE 110.
Aulosphærida.
Diam.			Page.
Fig. 1. Auloscena mirabilis, n. sp.,	×	50	1628
The complete shell, representing a regular latticed sphere, which is composed of equal hexagonal pyramids; the top of each pyramid bears a radial tube with a terminal corona.
Fig. 2. Auloscena mirabilis, n. sp.,	×	600	1628
Terminal corona of a single radial tube.
Fig. 3. Auloscena penicillus, n. sp.,	×	200	1629
A single tent-shaped elevation or six-sided pyramid, bearing on the top a brush-shaped radial tube.
Fig. 4. Auloscena flammabunda, n. sp.,	×	400	1629
A single radial tube, with a centripetal free prolongation at the base and a verticil of undulate terminal branches at the distal end.
Fig. 5. Auloscena serrata, n. sp.,	×	600	1630
Terminal corona of a single radial tube.
Fig. 6. Auloscena tentorium, n. sp.,	×	400	1628
A single radial tube, with a centripetal prolongation at the base and a terminal corona at the distal end.
Fig. 7. Auloscena gigantea, n. sp.,	×	400	1629
Basal part of a radial tube, exhibiting the internal axial thread and its connection with the six tubes, which form the edges of a flat six-sided pyramid (usually more elevated than the figure exhibits).
Fig. 8. Auloscena spectabilis, n. sp.,	×	400	1628
Apex of an abnormal pyramid (sometimes occurring), in which seven radial tubes are united, instead of six.
Fig. 9. Auloscena spectabilis, n. sp.,	×	800	1628
Basal part of a radial tube, in the top of a flat six-sided pyramid; above it the distal part of the same tube with its terminal corona (middle part of the tube wanting).
Fig. 10. Auloscena verticillus, n. sp.,	×	300	1629
Apex of a six-sided pyramid, seen from the inside.
Fig. 11. Auloscena verticillus, n. sp.,	×	400	1629
Distal part of a single radial tube, with the terminal corona.

PLATE 111.
Aulosphærida.
Diam.			Page.
Fig. 1. Aulonia hexagonia, n. sp.,	×	30	1634
The complete spherical shell.
Fig. 2. Aularia ternaria, n. sp.,	×	300	1621
A group of six triangular meshes, with seven nodal points of radial tubes. Behind the central capsule, with its double membrane (e, outer; i, inner) and radiate operculum (o); u, the two outer parapylæ; v, vacuoles in the protoplasm. The ellipsoidal nucleus (n) contains numerous nucleoli (l).
Fig. 3. Aulastrum triceros, n. sp.,	×	50	1635
The complete shell.
Fig. 3a. Aulastrum triceros, n. sp.,	×	300	1635
A single radial tube.
Figs. 4a, 4b, 4c. Aulastrum dendroceros, n. sp.,	×	400	1635
Three single radial spines (taken from three different specimens).
Fig. 5a. Aulophacus lenticularis, n. sp.,	×	300	1631
A single radial spine.
Fig. 5b. Aulophacus amphidiscus, n. sp.,	×	300	1631
A single radial spine.
Fig. 6. Aulatractus fusiformis, n. sp.,	×	5	1632
The complete shell, five times enlarged.
Fig. 6a. Aulatractus fusiformis, n. sp.,	×	20	1632
Apical part of the shell.
Fig. 6b. Aulatractus fusiformis, n. sp.,	×	400	1632
A single radial tube.
Fig. 7. Aulatractus diploconus, n. sp.,	×	20	1632
Apical part of the shell.
Fig. 7a. Aulatractus diploconus, n. sp.,	×	400	1632
A single radial tube.
Fig. 8. Auloplegma perplexum, n. sp.,	×	50	1630
Half the shell.
Fig. 8a. Auloplegma perplexum, n. sp.,	×	400	1630
A single radial tube.
Fig. 9. Auloplegma spongiosum, n. sp.,	×	300	1631
A single radial tube.

PLATE 112.
Cannosphærida.
Diam.			Page.
Cannosphærida.
Fig. 1. Cannosphæra antarctica, n. sp.,	×	50	1640
The entire shell. The inner mammillate shell, from the month of which is prominent the phæodium, in connected by numerous radial beams with the outer shell.
Fig. 2. Cannosphæra antarctica, n. sp.,	×	200	1640
The inner shell, from the mouth of which is prominent the phæodium, and a single hexagonal mesh of the outer shell, connected with the former by thin radial threads.
Fig. 3. Cannosphæra antarctica, n. sp.,	×	200	1640
A single radial spine, with four terminal branches.
Fig. 4. Cannosphæra pacifica, n. sp.,	×	200	1641
The inner shell, exhibiting on its base the widely open mouth, and in its upper half the transparent spherical central capsule with its nucleus. Of the outer shell (which is connected with the inner by thin radial threads), only a few polygonal meshes are visible.
Fig. 5. Cannosphæra atlantica, n. sp.,	×	200	1640
The inner shell, connected by spiny radial beams with the outer shell, a quadrant only of which is visible.
Fig. 6. Cannosphæra atlantica, n. sp.,	×	200	1640
A single radial spine, with five terminal branches.

PLATE 113.
Castanellida.
Diam.			Page.
Fig. 1. Castanissa challengeri, n. sp.,	×	100	1686
In the lower part of the figure is visible the large corona of teeth around the mouth (a).
Fig. 2. Castanidium moseleyi, n. sp.,	×	80	1686
In the upper part of the figure, at left, is visible the irregular polygonal mouth (a).
Fig. 3. Castanopsis naresi, n. sp.,	×	80	1688
In the upper part of the figure is visible the smooth circular mouth (a).
Fig. 4. Castanura tizardi, n. sp.,	×	80	1689
Fig. 4a. A single main-spine of the same,	×	400
Fig. 5. Castanidium murrayi, n. sp.,	×	100	1685
With a large phæodium, partly protruded through the circular mouth.
Fig. 5a. A single main-spine of the same, hexagonally dimpled,	×	400
Fig. 6. Castanella wyvillei, n. sp.,	×	100	1683
A piece of the shell with the mouth, armed with six large teeth (a).
Fig. 7. Castanidium buchanani, n. sp.,	×	100	1685
A piece of the shell with the smooth roundish mouth (a).

PLATE 114.
Cannorrhaphida et Circoporida.
Diam.			Page.
Fig. 1. Haeckeliana darwiniana, n. sp.,	×	200	1702
A complete shell.
Fig. 2. Haeckeliana darwiniana, n. sp.,	×	400	1702
A single coronet of pores.
Fig. 3. Haeckeliana gœtheana, n. sp.,	×	300	1702
The oral part of the shell with the mouth.
Fig. 4. Haeckeliana lamarckiana, n. sp.,	×	400	1701
A single coronet of pores.
Fig. 5. Haeckeliana maxima, n. sp.,	×	300	1701
A single coronet of pores.
Fig. 6. Haeckeliana porcellana, John Murray,	×	200	1701
A complete shell.
Fig. 7. Distephanus corona, n. sp.,	×	800	1566
A single pileated piece (half from the side, half from below).
Fig. 8. Distephanus corona, n. sp.,	×	800	1566
Two coupled pileated pieces caught into one another (twin-piece).
Fig. 9. Distephanus corona, n. sp.,	×	800	1566
A single pileated piece, seen from above.
Fig. 10. Cannopilus diplostaurus, n. sp.,	×	800	1568
A single pileated piece, seen from above.
Fig. 11. Cannopilus cyrtoides, n. sp.,	×	800	1569
A single pileated piece, seen obliquely from the side.
Fig. 12. Cannopilus cyrtoides, n. sp.,	×	800	1569
A single pileated piece, seen from below.
Fig. 13. Haeckeliana porcellana, John Murray,	×	600	1526
The radiate operculum of the central capsule.

PLATE 115.
Circoporida.
Diam.			Page.
Fig. 1. Circoporus sexfuscinus, n. sp.,	×	100	1695
The cruciform mouth is visible in the upper part of the figure, to the right.
Fig. 2. Circoporus sexfuscinus, n. sp.,	×	200	1695
A single radial spine, with four cruciate pores at the base.
Fig. 3. Circoporus sexfuscinus, n. sp.,	×	600	1695
The radiate operculum of the central capsule, with the proboscis.
Fig. 4. Circospathis furcata, n. sp.,	×	100	1696
Five of the nine spines are visible, two others (on the upper face) broken off. Between the latter the pentagonal mouth (with five teeth).
Fig. 5. Circospathis furcata, n. sp.,	×	300	1696
The mouth with its five teeth.
Fig. 6. Circospathis furcata, n. sp.,	×	400	1696
A piece of the shell with a radial spine.
Fig. 7. Circospathis furcata, n. sp.,	×	400	1696
Vertical section through the base of a radial spine, to show the central funicle.
Fig. 8. Circogonia dodecacantha, n. sp.,	×	100	1698
The central capsule with the elliptical nucleus (to the right) and the dark phæodium (to the left) are visible, in the upper part (to the left) the mouth of the shell, with six teeth.
Fig. 9. Circogonia dodecacantha, n. sp.,	×	400	1698
A fragment of the shell, exhibiting its peculiar structure (needles tangentially scattered in the cement of the porcellanous substance), and a circle of nine pores around the base of a broken spine.
Fig. 10. Circospathis tetrodonta, n. sp.,	×	400	1697
The mouth with four teeth, in profile view.

PLATE 116.
Medusettida et Circoporida.
Diam.			Page.
Fig. 1. Polypetta mammillata, n. sp.,	×	500	1677
In the upper part of the figure the dentate proboscis.
Fig. 1a. Vertical section through the shell-wall, showing two of the hollow alveoles, opening on its inside,	×	1000
Fig. 2. Polypetta tabulata, n. sp.,	×	500	1677
In the upper part of the figure the dentate proboscis.
Fig. 2a. A piece of the shell, seen from the surface, with the triangular plates,	×	1000
Fig. 2b. Vertical section through the shell-wall, with an alveole,	×	1000
Fig. 3. Circostephanus coronarius, n. sp.,	×	150	1699
The polyhedral shell exhibits in its wall the small tangential needles. The radial spines are partly broken off. The mouth of the shell, surrounded by eight short conical teeth, is visible on the left side of the figure.
Fig. 3a. The mouth of the shell, seen in profile, with eight conical spinulate teeth,	×	400
Fig. 3b. The base of a radial spine broken off, to show the corona of (five or six) basal pores,	×	400

PLATE 117.
Cannorrhaphida, Medusettida et Circoporida.
Diam.			Page.
Fig. 1. Circogonia icosahedra, n. sp.,	×	80	1698
The entire shell, with twelve radial tubes and twenty triangular faces. In the centre of one face is the mouth, with six teeth.
Fig. 1a. The mouth alone, with its six spinulate teeth,	×	400
Fig. 2. Circorrhegma dodecahedra, n. sp.,	×	80	1699
The entire shell, with twenty radial tubes and twelve pentagonal faces. In the centre of one face is the mouth, with five teeth.
Fig. 2a. The mouth alone, with its five spinulate teeth, seen in profile,	×	200
Fig. 3. Circospathis novena, n. sp.,	×	100	1696
The entire shell, with nine radial tubes and fourteen triangular faces. In one face (to the left above) is the mouth with nine teeth.
Fig. 3a. The mouth alone, with its nine spinulate teeth,	×	150
Fig. 4. Circoporus hexastylus, n. sp.,	×	80	1695
A single radial spine.
Fig. 5. Circoporus sexfurcus, n. sp.,	×	80	1694
The entire spherical shell with six forked and ciliated radial tubes. In the centre the cruciform mouth with four teeth.
Fig. 6. Circoporus octahedrus, n. sp.,	×	300	1695
The entire shell, with six verticillate radial tubes and eight triangular faces. In the centre of one face is the mouth, with four teeth.
Fig. 7. Cortinetta tripodiscus, n. sp.,	×	300	1667
The entire shell with the enclosed central capsule, and the phæodium around the astropyle.
Fig. 7a. The astropyle, partly detached from the wall of the central capsule, seen in profile,	×	800
Fig. 8. Catinulus quadrifidus, n. sp.,	×	80	1553
A complete specimen, with four equal central capsules, united in a single spherical calymma.
Fig. 8a. Some single pieces of the skeleton,	×	400

PLATE 118.
Medusettida.
Diam.			Page.
Fig. 1. Gazelletta melusina, n. sp.,	×	300	1674
From the peristome of the thorny campanulate shell arise six large descending feet, which are studded with arborescent fragile lateral branches, and armed at the distal end with stouter dichotomous terminal branches.
Fig. 2. Euphysetta staurocodon, n. sp.,	×	300	1670
The peristome of the ovate shell bears an odd large foot with three terminal branches and three cruciate rudimentary feet. In the upper part of the shell-cavity is visible the sphæroidal central capsule (containing a nucleus of half the size, with numerous nucleoli); in the lower half the dark pigment-masses of the green phæodium.
Fig. 3. Euphysetta amphicodon, n. sp.,	×	300	1670
The shell-wall exhibits the regular alveolate structure. From the mouth are prominent large masses of the phæodium, which is more voluminous than the shell-cavity, and seems to contain nucleated cells.

PLATE 119.
Medusettida.
Diam.			Page.
Fig. 1. Gorgonetta mirabilis, n. sp.,	×	100	1674
The entire body. From the margin of the cap-shaped shell arise six ascending arborescent feet and six alternating descending feet, which are covered with anchor-pencils and branched at the distal end. From the mouth of the delicately alveolate shell depend prominent parts of the dark voluminous phæodium.
Fig. 2. Gorgonetta mirabilis, n. sp.,	×	300	1674
The distal end of an ascending foot; the branches bear a terminal spathilla with small recurved teeth.
Fig. 3. Gorgonetta mirabilis, n. sp.,	×	300	1674
The distal end of a descending foot, with three lateral anchor-pencils and three terminal branches (broken off). Odd alveole contains an air-bubble.
Fig. 4. Gorgonetta mirabilis, n. sp.,	×	600	1674
A single thread of an anchor-pencil with two quadridentate spathillæ, a larger proximal and a smaller distal (terminal).

PLATE 120.
Medusettida.
Diam.			Page.
Fig. 1. Medusetta codonium, n. sp.,	×	400	1668
Fig. 2. Medusetta quadrigata, n. sp.,	×	400	1668
The central capsule is visible in the upper half, the phæodium in the lower half of the shell-cavity.
Fig. 3. Medusetta tetranema, n. sp.,	×	400	1669
Fig. 4. Medusetta craspedota, n. sp.,	×	400	1669
Fig. 5. Gazelletta hexanema, n. sp.,	×	300	1671
Fig. 6. Gazelletta bifurca, n. sp.,	×	300	1672
A single alveolate foot.
Fig. 7. Gazelletta macronema, n. sp.,	×	200	1671
Oral view of the shell.
Fig. 8. Gazelletta macronema, n. sp.,	×	800	1671
Three joints of an alveolate foot.
Fig. 9. Gazelletta cyrtonema, n. sp.,	×	300	1671
The upper part of the shell encloses the central capsule with its nucleus. The voluminous phæodium is prominent over the mouth.
Fig. 10. Gazelletta orthonema, n. sp.,	×	200	1671
The central capsule and its nucleus are visible in the shell-cavity.
Fig. 11. Gazelletta schleinitzii, n. sp.,	×	400	1673
Oblique apical view, with the enclosed central capsule, the nucleus of which contains numerous nucleoli.
Fig. 12. Gazelletta schleinitzii, n. sp.,	×	300	1673
A single alveolate foot.
Fig. 13. Gazelletta trispathilla, n. sp.,	×	400	1673
The middle part of a foot.
Fig. 14. Gazellatta robusta, n. sp.,	×	300	1673
The base of a foot, exhibiting the pores of the alveoli.
Fig. 15. Gazelletta studeri, n. sp.,	×	400	1673
The distal end of a foot; four alveoli filled up by air-bubbles.
Fig. 16. Gazelletta dendronema, n. sp.,	×	300	1674
A part of the velum, seen from the inside. The alveoles are partly filled by air.

PLATE 121.
Cœlodendrida.
Diam.			Page.
Fig. 1. Cœlodendrum furcatissimum, n. sp.,	×	50	1735
A complete specimen with the central capsule and the big phæodium. The spherical calymma envelops almost the entire skeleton.
Fig. 2. Cœlodendrum furcatissimum, n. sp.,	×	300	1735
A distal branch with its terminal ramification.
Fig. 3. Cœlodendrum furcatissimum, n. sp.,	×	100	1735
One valve of the shell, with its galea and the four hollow forked tubes arising from it.
Fig. 4. Cœlodendrum furcatissimum, n. sp.,	×	100	1735
The central capsule with its nucleus; on the left side one valve of the closely enveloping shell (seen in vertical section), and its galea with the origin of the four tubes.
Fig. 5. Cœlodendrum serratum, n. sp.,	×	400	1737
A flabellate terminal branch.
Fig. 6. Cœlodendrum flabellatum, n. sp.,	×	150	1737
A flabellate terminal branch.
Fig. 7. Cœlodendrum spinosissimum, n. sp.,	×	300	1735
Forked distal end of a terminal branch.
Fig. 8. Cœlodendrum cervicorne, n. sp.,	×	150	1736
One valve of the shell, with its galea and the four tubes arising from it. A network of protoplasm connects the distal branches.
Fig. 9. Cœlodrymus ancoratus, n. sp.,	×	50	1738
A complete specimen, with the central capsule and the enveloping phæodium. The surface of the spherical calymma is covered by a dense network, from which arise numerous, anchor-bearing, radial tubules.
Fig. 10. Cœlodrymus ancoratus, n. sp.,	×	150	1738
A small piece of the superficial network of the skeleton, with the zigzag radial tubules arising from it, each of which bears an anchor with two recurved denticulate teeth on the distal end.

PLATE 122.
Cœlographida.
Diam.			Page.
Fig. 1. Cœlotholus octonus, n. sp.,	×	30	1749
The entire bivalved shell, seen obliquely from the dorsal and somewhat from the right side, enveloped by the yellowish calymma.
Fig. 2. Cœlotholus octonus, n. sp.,	×	100	1749
One valve of the shell (h) with its large galea and the origin of the three styles. The base of the two lateral styles (g¹, g²) is connected by two latticed lateral frenula (b¹, b²) with the mouth (m) of the rhinocanna (t). The odd style (g³) is free.
Fig. 3. Cœlothauma duodenum, n. sp.,	×	20	1750
The entire shell, seen from the dorsal side. The long styles are enveloped by the yellowish calymma.
Fig. 4. Cœlothauma duodenum, n. sp.,	×	80	1750
One valve of the shell (h), seen from the apical side; t, rhinocanna; m, its mouth; b¹, b², the two lateral frenula; g¹, g², the two paired styles; g³, the odd style.
Fig. 5. Cœlothauma duodenum, n. sp.,	×	80	1750
One valve of the shell, seen in profile. Characters as in fig. 4.
Fig. 6. Cœlothamnus bivalvis, n. sp.,	×	30	1751
The entire shell, enveloped by the yellowish calymma, seen from the left side; between the two valves is the central capsule, with nucleus and astropyle.
Fig. 7. Cœlothamnus bivalvis, n. sp.,	×	100	1751
A single lateral anchor-pencil.
Fig. 8. Cœlothamnus bivalvis, n. sp.,	×	200	1751
Distal end of a style, with its anchor-pencils.
Fig. 9. Cœlothamnus bivalvis, n. sp.,	×	400	1751
A single anchor-thread, with its quadridentate terminal spathilla.

PLATE 123.
Concharida.
Diam.			Page.
(The central capsule is coloured red in the figures of this plate, the phæodium green).
Fig. 1. Concharium diatomeum, n. sp.,	1717
Dorsal view. The central capsule (red) exhibits above the anterior tubular main-opening (astropyle), and below the two small posterior lateral openings (right and left parapylæ).
Fig. 2. Concharium bivalvum, n. sp.,	×	150	1717
Dorsal view. The central capsule is visible in the lower part, the margin of the two valves in the upper part of the figure.
Fig. 2a exhibits the two smooth lateral margins of the valves, catching into one another. (Lateral view).
Fig. 3. Concharium nucula, n. sp.,	1717
The dorsal valve alone, seen from the outside.
Fig. 4. Concharium bacillarium, n. sp.,	1718
Lateral view from the smooth margin, by which the two valves are united.
Fig. 5. Conchasma radiolites, n. sp.,	×	300	1719
Lateral view. In the aboral half of the shell-cavity lies the red central capsule, in the oral half the green phæodium.
Fig. 6. Conchasma sphærulites, n. sp.,	×	300	1719
Lateral view. On the aboral pole the two horns of the hinge.
Fig. 7. Conchellium tridacna, n. sp.,	×	200	1720
Oblique lateral view (from the right and ventral side).
Fig. 7a. Three pores of the same, with their hexagonal frames and six internal denticles,	×	400
Fig. 8. Conchopsis carinata, n. sp.,	×	150	1725
Lateral view, from the left side.
Fig. 9. Conchopsis lenticula, n. sp.,	×	150	1726
Lateral view, from the right side. The two membranes of the central capsule are separated by a wide interval in this and the preceding figure. The nucleus contains numerous nucleoli.
Fig. 9a. Two of the peculiar cells, which are contained in the green phæodium in large numbers,	×	400

PLATE 124.
Concharida.
Diam.			Page.
Fig. 1. Conchidium terebratula, n. sp.,	×	400	1721
Lateral view, from the left side.
Fig. 2. Conchidium terebratula, n. sp.,	×	800	1721
A piece of the frontal girdle-fissure, with the teeth of both valves catching into one another.
Fig. 3. Conchidium rhynchonella, n. sp.,	×	200	1722
Lateral view, from the left side.
Fig. 4. Conchidium leptæna, n. sp.,	×	300	1722
Girdle-fissure with the teeth, seen from the left side.
Fig. 5. Conchidium leptæna, n. sp.,	×	800	1722
A single tooth with its base.
Fig. 6. Conchidium thecidium, n. sp.,	×	300	1721
Lateral view, from the left side. In the oral part of the shell-cavity the dark phæodium, in the aboral part the central capsule with two nuclei (a dorsal and a ventral).
Fig. 7. Conchidium argiope, n. sp.,	×	300	1722
Oblique oral view (half from the anterior, half from the left side).
Fig. 8. Conchidium argiope, n. sp.,	×	300	1722
Dorsal valve, from below.
Fig. 9. Conchidium argiope, n. sp.,	×	600	1722
A piece of the valve margin, with four teeth.
Fig. 10. Conchonia diodon, n. sp.,	×	200	1723
Lateral view, from the left side. In the anterior part of the shell-cavity the dark phæodium, in the posterior part the central capsule with the nucleus. The two valves are connected at the posterior hinge by a ligament (to the right in the figure).
Fig. 11. Conchonia diodon, n. sp.,	×	400	1723
Mouth of the shell, with its two lips, seen from the oral pole.
Fig. 12. Conchonia diodon, n. sp.,	×	400	1723
A piece of the valve-margin, with four teeth.
Fig. 13. Conchonia triodon, n. sp.,	×	300	1724
Ventral valve, seen from the lower face.
Fig. 14. Conchonia triodon, n. sp.,	×	300	1724
Dorsal valve, seen from the left side.
Fig. 15. Conchoceras caudatum, n. sp.,	×	300	1727
Lateral view, from the left side.
Fig. 16. Conchoceras cornutum, n. sp.,	×	200	1728
Lateral view, from the left side.

PLATE 125.
Concharida.
Diam.			Page.
Fig. 1. Conchopsis aspidium, n. sp.,	×	150	1726
Lateral view, from the left side.
Fig. 2. Conchopsis aspidium, n. sp.,	×	300	1726
The hinge of another specimen, in which the two valves are connected by a ligament (as in figs. 8 and 9, Pl. 123).
Fig. 3. Conchopsis orbicularis, n. sp.,	×	200	1725
Lateral view, from the left side.
Fig. 4. Conchopsis navicula, n. sp.,	×	150	1727
Lateral view, from the right side. In the lower (posterior) half of the figure is visible the central capsule with its dark nucleus, in the upper (anterior) half the phæodium with two broad sagittal wings.
Fig. 5. Conchopsis navicula, n. sp.,	×	400	1727
Three single pores with their hexagonal external frame and the dilated internal ovate or ampullaceous channel.
Fig. 6. Conchopsis navicula, n. sp.,	×	400	1727
Hinge of the shell, from the right side.
Fig. 7. Conchopsis compressa, n. sp.,	×	150	1725
Lateral view from the left side. The triangular central capsule with the dark nucleus is visible.
Fig. 8. Conchopsis compressa, n. sp.,	×	150	1725
Dorsal view of the upper valve with its keel.
Fig. 9. Conchopsis pilidium, n. sp.,	×	80	1726
The two valves separated and seen obliquely, half from the lateral, half from the internal side. The inner opening of each valve is bordered and partly closed by a broad horizontal velum or diaphragm like the deck of a boat.

PLATE 126.
Cœlographida.
Diam.			Page.
Figs. 1-1c. Cœlographis regina, n. sp.,	1752
Fig. 1. Lateral view. The central capsule it visible between the two valves of the inner shell, the galeæ of which are filled by the phæodium,	×	20
Fig. 1a. Dorsal view (somewhat obliquely from the left side). The galeæ appear triangular,	×	20
Fig. 1b. Basal view,	×	20
Fig. 1c. Distal end of a style,	×	300
Figs. 2-2b. Cœlodecas sagittaria, n. sp.,	1755
Fig. 2. One valve of the shell, seen from the outside,	×	30
Fig. 2a. Distal end of a style,	×	300
Figs. 3-3a. Cœlostylus bisenarius, n. sp.,	1756
Fig. 3. Lateral view of the bivalved shell. The central capsule is visible between the two valves of the inner shell, the galeæ of which are filled by the phæodium,	×	20
Fig. 3a. Distal end of a style,	×	300
Figs. 4-4a. Cœlagalma mirabile, n. sp.,	1759
Fig. 4. Dorsal view of the bivalved shell,	×	30
Fig. 4a. Basal view of the bivalved shell,	×	10

PLATE 127.
Cœlographida.
Diam.			Page.
Fig. 1. Cœloplegma murrayanum, n. sp.,	×	40	1757
One valve of the bivalved shell, seen from the inside, of the usual ovate form.
Fig. 2. Cœloplegma murrayanum, n. sp.,	×	40	1757
One valve of the bivalved shell, seen from the inside, of the rarer polyhedral form, which may be distinguished as a different species (Cœloplegma tritonis, compare p. 1758). h, hemispherical inner valve; g, galea; s, its base.
Fig. 3. Cœloplegma murrayanum, n. sp.,	×	40	1757
The entire shell, seen from the base of the aboral pole (dorsal and ventral valve connected by delicate teeth, catching into one another).
Fig. 4. Cœloplegma murrayanum, n. sp.,	×	100	1757
h, The two hemispherical inner valves of the shell, seen from the right side; n, the central nucleus inside the central capsule; d, the astropyle; g, the galea; t, the nasal tube, arising from its base; m, its mouth; p, the phæodium, which is partly thrown out by the nasal openings, filling up the galea and nasal tube.
Fig. 5. Cœloplegma murrayanum, n. sp.,	×	200	1757
h, The two hemispherical inner valves of the shell and the enclosed central capsule, seen from the oral side; d, the radiate operculum of the astropyle, seen in the frontal fissure between the two valves; n, the nucleus; k, the crystals; g, galea; g¹-g⁵, the styles arising from the galea; t, nasal tube; m, mouth of it.
Fig. 6. Cœloplegma murrayanum, n. sp.,	×	600	1757
Oral part of a central capsule, in profile. o, Opening of the proboscis; d, radiate operculum of the astropyle, which gives rise to the proboscis; e, the outer, i, the inner membrane of the capsule; k, groups of crystals; n, nucleus.
Fig. 7. Cœloplegma murrayanum, n. sp.,	×	1000	1757
Three single groups of crystals, taken from the central capsule.
Fig. 8. Cœloplegma murrayanum, n. sp.,	×	300	1757
One inner valve of the shell, in profile. h, hemispherical valve; g, galea; g¹-g⁵, the tubes arising from it; t, rhinocanna or nasal tube; m, its mouth; b, frenulum.
Fig. 9. Cœloplegma murrayanum, n. sp.,	×	400	1757
g, The galea; t, rhinocanna of one inner valve; m, its mouth; p, phæodella filling up both the galea and the mouth of the rhinocanna. g¹-g⁵, the styles arising from the galea; s, sieve-plate, which separates the cavity of the galea from the hemispherical valve (h). View in profile.
Fig. 10. Cœloplegma murrayanum, n. sp.,	×	300	1757
An anchor-pencil of the outer shell.
Fig. 11. Cœloplegma murrayanum, n. sp.,	×	1000	1757
A single anchor-thread of a pencil.
Fig. 12. Cœloplegma murrayanum, n. sp.,	×	300	1757
Terminal branches of a style.
Fig. 13. Cœloplegma murrayanum, n. sp.,	×	1000	1757
A single terminal branch of a style.

PLATE 128.
Cœlographida.
Diam.			Page.
Fig. 1. Cœlospathis ancorata, n. sp.,	×	50	1754
Lateral view of the entire shell. The central capsule is visible between the two valves of the inner shell. The galeæ and rhinocannæ of the two inner valves are filled up by the black phæodium.
Fig. 2. Cœlospathis ancorata, n. sp.,	×	100	1754
The two valves of the inner shell; the galeæ and rhinocannæ of which are filled up by the black phæodium. Between the mouth of the two rhinocannæ is prominent the proboscis of the astropyle, arising from the radiate operculum of the central capsule. The latter contains numerous crystals and a big dark nucleus. Lateral view.
Fig. 3. Cœlospathis ancorata, n. sp.,	×	200	1754
The rhinocanna or the nasal tube of one valve, and the latticed frenulum which connects its mouth with the top of the galea.
Fig. 4. Cœlospathis ancorata, n. sp.,	×	80	1754
Distal end of a style.
Fig. 5. Cœlospathis ancorata, n. sp.,	×	200	1754
Terminal branches of a style.
Fig. 6. Cœlospathis ancorata, n. sp.,	×	600	1754
Lateral branch of a style, with an anchor-pencil.
Fig. 7. Cœlospathis ancorata, n. sp.,	×	300	1754
The lateral margins of the latticed valves of the outer shell or mantle, catching into one another, without being connected directly.
Fig. 8. Cœlospathis octostyla, n. sp.,	×	300	1754
Terminal branches of a style.
Fig. 9. Cœlospathis octodactyla, n. sp.,	×	400	1755
A single terminal branch of a style.

PLATE 129.
Astrolophida, Litholophida, Chiastolida et Astrolonchida.
Diam.			Page.
Fig. 1. Actinelius primordialis, n. sp.,	×	100	730
The red central capsule, coloured by carmine, contains numerous intensely stained nuclei.
Fig. 2. Litholophus decapristis, n. sp.,	×	300	735
The conical central capsule contains numerous nuclei. The calymma exhibits on the distal end of each spine a coronet of myophriscs.
Fig. 3. Chiastolus amphicopium, n. sp.,	×	150	738
Sixteen diametral spines pierce the spherical, red coloured capsule. The conical sheets of the calymma bear myophriscs.
Figs. 3a, 3b. Two isolated diametral spines exhibiting the peculiar spiral revolution at their central part,	×	300
Fig. 4. Xiphacantha ciliata, n. sp.,	×	300	761
The spherical central capsule is coloured red. The yellowish calymma envelops the radial spines completely. The polygonal network of lines, in which the radiating pseudopodia are symmetrically arranged, is partly visible.
Fig. 5. Xiphacantha ciliata, n. sp.,	×	300	761
The central part of the skeleton, exhibiting the central junction of the radial spines.
Fig. 6. Acanthometron dolichoscion, n. sp.,	×	300	743
Central capsule of a young specimen; in its upper half the peculiar kidney-shaped nucleus is visible, with its invagination; in the lower half some nucleated yellow cells are visible (intracapsular xanthellæ). These and the nucleus are stained by carmine.
Fig. 7. Acanthometron dolichoscion, n. sp.,	×	300	743
Cleavage of an isolated nucleus, with four buds.
Fig. 8. Acanthometron dolichoscion, n. sp.,	×	300	743
A central capsule with four large budding nuclei; and numerous small spherical nuclei produced by gemmation.
Fig. 9. Acanthonia tetracopa, n. sp.,	×	400	749
Central capsule of s young specimen, with a large, irregularly lobate nucleus.
Fig. 10. Acanthonia tetracopa, n. sp.,	×	400	749
An isolated nucleus, exhibiting the peculiar invagination, with its circular folds, and the connection with the flatly conical nucleolus.
Fig. 11. Acanthonia tetracopa, n. sp.,	×	800	749
Four flagellate spores.

PLATE 130.
Astrolonchida.
Diam.			Page.
Fig. 1. Acanthometron bulbiferum, n. sp.,	×	300	745
Fig. 2. Acanthometron cylindricum, n. sp.,	×	200	743
Fig. 3. Lithophyllium gladiatum, n. sp.,	×	200	754
Fig. 4. Stauracantha quadrifurca, n. sp.,	×	300	764
Fig. 5. Stauracantha orthostaura, n. sp.,	×	200	762
Fig. 6. Phatnacantha icosaspis, n. sp.,	×	400	765
Fig. 7. Pristacantha polyodon, n. sp.,	×	300	766
Fig. 8. Pristacantha dodecodon, n. sp.,	×	300	766
Only the central parts and the leaf-cross.
Fig. 9. Pristacantha octodon, n. sp.,	×	200	765

PLATE 131.
Quadrilonchida.
Diam.			Page.
Fig. 1. Quadrilonche mesostaura, n. sp.,	×	300	777
Fig. 2. Quadrilonche platystaura, n. sp.,	×	100	777
Fig. 3. Xiphoptera dodecactena, n. sp.,	×	200	778
The central capsule with the central part of the skeleton.
Fig. 4. Lonchostaurus bifurcus, n. sp.,	×	300	773
Fig. 5. Lonchostaurus crystallinus, n. sp.,	×	400	773
Fig. 6. Lonchostaurus rhomboides, n. sp.,	×	200	772
The radial spines are completely enclosed in the rhombic calymma, the surface of which is covered with small plates, similar to those in the shell of the Sphærocapsida.
Fig. 7. Zygostaurus amphithectus, n. sp.,	×	300	774
The square central capsule envelops the half skeleton.
Fig. 8. Zygostaurus sagittalis, n. sp.,	×	300	775
Fig. 9. Lithoptera tetraptera, n. sp.,	×	300	779
Fig. 10. Lithoptera quadrata, n. sp.,	×	300	780
The central part of the skeleton is enclosed by the four-lobed central capsule.

PLATE 132.
Astrolophida, Astrolonchida et Amphilonchida.
Diam.			Page.
Fig. 1. Amphilonche lanceolata, n. sp.,	×	300	783
Fig. 2. Amphilonche hydrotomica, n. sp.,	×	300	786
The spindle-shaped central capsule is filled up with small granules. The clear calymma forms conical sheaths for the spines, with myophriscs.
Fig. 3. Amphilonche diodon, n. sp.,	×	300	783
Fig. 4. Amphilonche concreta, n. sp.,	×	100	787
A complete specimen with the cylindrical central capsule.
Fig. 4a. Central part of the skeleton,	×	400
Fig. 5. Amphilonche violina, n. sp.,	×	300	787
Fig. 6. Amphilonche conica, n. sp.,	×	300	785
The ellipsoidal central capsule contains numerous nuclei and is enclosed by the calymma. The conical sheaths of the latter include the radial spines completely and exhibit coronets of myophriscs.
Fig. 7. Acantholonche amphipolaris, n. sp.,	×	200	790
Fig. 8. Acantholonche peripolaris, n. sp.,	×	300	791
Fig. 9. Amphibelone pyramidata, n. sp.,	×	300	789
Fig. 10. Amphibelone cultellata, n. sp.,	×	400	789
The central capsule contains numerous spherical nuclei and is enclosed by the hyaline calymma, which forms conical sheaths around the spines.
Fig. 11. Stauracantha johannis, n. sp.,	×	400	763
Basal part of a radial spine, exhibiting the peculiar torsion of the basal leaf-cross and the central apex.
Fig. 12. Astrolophus solaris, n. sp.,	×	200	732
Fig. 12a. A group of larger and smaller radial spines united in the centre.
Fig. 12b. Three isolated spines (one larger and two smaller),	×	200

PLATE 133.
Sphærocapsida, Dorataspida et Phractopeltida.
Diam.			Page.
Fig. 1. Phractopelta dorataspis, n. sp.,	×	300	852
Fig. 2. Dorypelta tessaraspis, n. sp.,	×	300	858
Fig. 3. Stauropelta cruciata, n. sp.,	×	400	859
Fig. 4. Pantopelta icosaspis, n. sp.,	×	400	855
Meridional section through the double shell.
Fig. 5. Octopelta scutella, n. sp.,	×	400	856
Proximal part of two meeting spines, isolated.
Fig. 6. Orophaspis furcata, n. sp.,	×	400	818
Fig. 7. Porocapsa murrayana, n. sp.,	×	300	800
The central capsule is filled up by spherical vacuoles and enclosed by the porous shell; in the centre radii of small granules (nuclei ?) occur.
Fig. 8. Cannocapsa stethoscopium, n. sp.,	×	300	801
The shell alone.
Fig. 9. Astrocapsa coronata, n. sp.,	×	400	799
Middle part of one spine with the four aspinal holes.
Fig. 9a. Transverse section of a radial spine, with the four surrounding aspinal holes and the neighbouring part of the shell,	×	400
Fig. 10. Astrocapsa stellata, n. sp.,	×	400	799
Part of one spine, with the aspinal holes and their four triangular teeth.
Fig. 11. Cenocapsa nirvana, n. sp.,	×	200	802
The entire shell, with its pavement of small plates and the twenty cruciform perspinal holes.
Fig. 11a. A group of small ovate plates which compose the shell; in each plate a dimple with a porule,	×	400
Fig. 11b. A cruciform perspinal hole, seen from the face,	×	400
Fig. 11c. A cruciform perspinal hole, with its four teeth, seen in profile,	×	400

PLATE 134.
Dorataspida.
Diam.			Page.
Fig. 1. Dodecaspis tricincta, n. sp.,	×	400	834
The enclosed central capsule contains numerous spherical nuclei.
Fig. 2. Lychnaspis minima, n. sp.,	×	400	841
Six-sided basal pyramid of an equatorial spine, with the leaf-cross, seen from the centre.
Fig. 3. Zonaspis cingulata, n. sp.,	×	400	834
Equatorial section through the central capsule. n, nuclei; g, yellow bodies (intracapsular xanthellæ).
Fig. 4. Zonaspis cingulata, n. sp.,	×	800	834
Central pyramidal base of an equatorial spine, with the leaf-cross.
Fig. 5. Stauraspis cruciata, n. sp.,	×	400	831
Central union of the radial spines, three polar spines being taken off.
Fig. 6. Lychnaspis longissima, n. sp.,	×	400	841
Fig. 7. Lychnaspis minima, n. sp.,	×	400	841
Five-sided basal pyramid of a tropical spine, with the leaf-cross, seen from the centre.
Fig. 8. Lychnaspis minima, n. sp.,	×	400	841
Six-sided basal pyramid of a polar spine, with the leaf-cross, seen from the centre.
Fig. 9. Icosaspis elegans, n. sp.,	×	400	844
An isolated polar plate.
Fig. 10. Icosaspis cruciata, n. sp.,	×	400	844
An isolated equatorial plate.
Fig. 11, 12. Dorataspis species,	×	100
Diagram of the composition of the shell of twenty plates (and also of the central union of the basal leaf-cross).
Fig. 11. Oblique equatorial aspect.
Fig. 12. Accurate polar aspect (compare p. 804, 805).
Fig. 13. Coscinaspis isopora, n. sp.,	×	400	828
An isolated equatorial plate (with two aspinal and six coronal pores).
Fig. 14. Coscinaspis isopora, n. sp.,	×	400	828
Two isolated tropical plates (b, northern; d, southern), each with two aspinal and five coronal pores.
Fig. 15. Diporaspis nephropora, n. sp.,	×	400	816
Fig. 16. Acontaspis hastata, n. sp.,	×	400	829

PLATE 135.
Sphærocapsida et Dorataspida.
Diam.			Page.
Fig. 1. Hylaspis serrulata, n. sp.,	×	300	846
Fig. 2. Lychnaspis undulata, n. sp.,	×	400	841
Fig. 3. Lychnaspis giltschii, n. sp.,	×	400	839
The spherical central capsule is enclosed in the shell.
Fig. 4. Lychnaspis rottenburgii, n. sp.,	×	400	841
Fig. 5. Zonaspis æquatorialis, n. sp.,	×	300	834
Fig. 6. Sphærocapsa cruciata, n. sp.,	×	150	798
The entire shell, with its twenty cruciate perspinal holes.
Fig. 7. Sphærocapsa cruciata, n. sp.,	×	800	798
Insertion of one spine in the cruciate perspinal hole of the shell.
Fig. 8. Sphærocapsa quadrata, n. sp.,	×	800	798
A group of pores and dimples in the shell surface.
Fig. 9. Sphærocapsa dentata, n. sp.,	×	800	798
Insertion of one spine in the cruciate perspinal hole of the shell.
Fig. 10. Sphærocapsa pavimentata, n. sp.,	×	800	798
Insertion of one spine in the perspinal hole of the shell, which is composed of four cruciate aspinal holes and surrounded by a group of dimples and pores.

PLATE 136.
Dorataspida et Belonaspida.
Diam.			Page.
Fig. 1. Tessaraspis arachnoides, n. sp.,	×	300	836
Fig. 2. Icosaspis tabulata, n. sp.,	×	200	843
Fig. 3. Icosaspis icosastaura, n. sp.,	×	400	846
Fig. 4. Icosaspis elegans, n. sp.,	×	300	844
Fig. 5. Tessaraspis concreta, n. sp.,	×	400	838
Fig. 6. Phatnaspis cristata, n. sp.,	×	400	869
Fig. 7. Phatnaspis haliommidium, n. sp.,	×	200	871
Central capsule within the shell—outline.
Fig. 8. Coscinaspis polypora, n. sp.,	×	300	827
A single lattice-plate of the shell.
Fig. 9. Phatnaspis lacunaria, n. sp.,	×	400	869

PLATE 137.
Dorataspida.
Diam.			Page.
Fig. 1. Phractaspis complanata, n. sp.,	×	400	809
Fig. 2. Phractaspis prototypus, n. sp.,	×	400	809
Fig. 3. Phractaspis constricta, n. sp.,	×	400	810
Fig. 4. Pleuraspis horrida, n. sp.,	×	400	811
Fig. 5. Stauruspis stauracantha, n. sp.,	×	300	832
Fig. 6. Stauruspis stauracantha, n. sp.,	×	600	832
A single spine.
Fig. 7. Echinaspis echinoides, n. sp.,	×	300	833
Fig. 8. Echinaspis echinoides, n. sp.,	×	800	833
A single spine.
Fig. 9. Coscinaspis parmipora, n. sp.,	×	400	827

PLATE 138.
Dorataspida.
Diam.			Page.
Fig. 1. Coscinaspis peripora (vel Dorataspis peripora), n. sp.,	×	300	826
Fig. 2. Dorataspis fusigera, n. sp.,	×	400	813
Fig. 3. Dorataspis micropora, n. sp.,	×	300	815
Fig. 4. Dorataspis typica, n. sp.,	×	300	815
Fig. 4a. Polar view of the central union of the twenty spines,	×	300	815
Fig. 5. Ceriaspis inermis, n. sp.,	×	400	821
Fig. 6. Ceriaspis favosa, n. sp.,	×	400	821
Fig. 7. Hystrichaspis fruticata, n. sp.,	×	300	825
Fig. 8. Hystrichaspis pectinata, n. sp.,	×	300	822
Fig. 9. Hystrichaspis furcata, n. sp.,	×	400	822
Fig. 10. Hystrichaspis dorsata, n. sp.,	×	300	823
Fig. 11. Hystrichaspis cristata (vel Siphonaspis cristata, n. sp.),	×	400	823

PLATE 139.
Belonaspida et Hexalspida.
Diam.			Page.
Fig. 1. Hexacolpus nivalis, n. sp.,	×	300	880
Fig. 2. Hexalaspis heliodiscus, n. sp.,	×	300	875
Fig. 3. Hexaconus ciliatus, n. sp.,	×	300	876
Fig. 4. Hexaconus serratus, n. sp.,	×	300	877
c, Central base of an equatorial spine; d, central base of a tropical spine.
Fig. 5. Hexaconus coronatus, n. sp.,	×	300	877
Fig. 6. Hexaconus velatus, n. sp.,	×	300	877
Marginal view of the shell.
Fig. 7. Hexaconus vaginatus, n. sp.,	×	300	877
Fig. 8. Thoracaspis bipennis, n. sp.,	×	300	862
Fig. 9. Belonaspis datura, n. sp.,	×	400	863

PLATE 140.
Belonaspida, Hexalaspida et Diploconida.
Diam.			Page.
Fig. 1. Diploconus amalla, n. sp.,	×	300	885
Fig. 2. Diploconus hexaphyllus, n. sp.,	×	300	886
Fig. 3. Diploconus cyathiscus, n. sp.,	×	300	885
Fig. 4. Diploconus cotyliscus, n. sp.,	×	400	886
Polar view.
Fig. 5. Diplocolpus serratus, n. sp.,	×	300	888
Fig. 6. Diplocolpus cristatus, n. sp.,	×	400	887
Fig. 7. Diplocolpus costatus, n. sp.,	×	400	887
Fig. 8. Diplocolpus sulcatus, n. sp.,	×	300	888
Fig. 9. Diplocolpus dentatus, n. sp.,	×	300	888
Meridional section through the centre of the shell.
Fig. 10. Hexacolpus infundibulum, n. sp.,	×	300	881
Fig. 11. Hexacolpus trypanon, n. sp.,	×	300	881
Fig. 12. Hexaconus echinatus, n. sp.,	×	300	878
Fig. 13. Coleaspis vaginata, n. sp.,	×	300	866
Meridional section through the shell.
Fig. 14. Coleaspis hydrotomica, n. sp.,	×	400	867
Fig. 15. Hexonaspis hexapleura, n. sp.,	×	400	879
A single spine with its thick apophyses.
Fig. 16. Hexonaspis hastata, n. sp.,	×	400	879

	PLATES	1-50.	SPUMELLARIA.
	"	51-98.	NASSELLARIA.
	"	99-128.	PHÆODARIA.
	"	129-140.	ACANTHARIA.
MAP, showing the Geographical Distribution of the Radiolaria.

The Project Gutenberg eBook, Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Plates, by Ernst Haeckel