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Het Leven der Dieren: Deel 3.9, De Oerdieren (Dutch)
Alfred Edmund Brehm
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Histology of medicinal plants
William James Mansfield
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Essays of a Biologist
Julian Huxley
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The Evolution Theory, Vol. 2 of 2
August Weismann
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Supplement to Harvesting Ants and Trap-Door Spiders
John Traherne Moggridge and Octavius Pickard-Cambridge
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A Text-book of Entomology
A. S. Packard
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Elementary Botany
George Francis Atkinson
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Darwinism. The Noachian Flood
Thomas Roscoe Rede Stebbing
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Palæontological Report of the Princeton Scientific Expedition of 1877
Henry Fairfield Osborn, William Berryman Scott, and Francis Speir
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The Evolution Theory, Vol. 1 of 2
August Weismann
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Evolution and Adaptation
Thomas Hunt Morgan
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Rust, Smut, Mildew, & Mould: An Introduction to the Study of Microscopic Fungi
M. C. Cooke
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Lehrbuch der Botanik für Hochschulen (German)
A. F. W. Schimper, Eduard Strasburger, Fritz Noll, and H. Schenck
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Het Leven der Dieren: Deel 3.7, De Weekdieren (Dutch)
Alfred Edmund Brehm
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Links With the Past in the Plant World
A. C. Seward
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The Pleistocene of North America
Oliver Perry Hay
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The philosophy of biology
James Johnstone
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The Universal Kinship
J. Howard Moore
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Essays on the Microscope
George Adams
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Death and resurrection from the point of view of the cell-theory
Gustaf Björklund
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The Preparation & Mounting of Microscopic Objects
microscopist Thomas Davies
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The Coal Measures Amphibia of North America
Roy Lee Moodie
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A Guide for the Dissection of the Dogfish (Squalus Acanthias)
Lawrence Edmonds Griffin
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Degeneration: A Chapter in Darwinism
Sir E. Ray Lankester
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Aristotle's History of Animals
Aristotle
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