Books in Animal (sorted by popularity)
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A New Subspecies of Wood Rat (Neotoma mexicana) from Colorado Robert B. Finley 57 downloads
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Comments on the Taxonomy and Geographic Distribution of Some North American Rodents E. Raymond Hall and Keith R. Kelson 57 downloads
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Pliocene and Pleistocene Records of Fossil Turtles from Western Kansas and Oklahoma Edwin C. Galbreath 57 downloads
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Taxonomic Notes on Mexican Bats of the Genus Rhogeëssa E. Raymond Hall 56 downloads
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A New Species of Heteromyid Rodent from the Middle Oligocene of Northeast Colorado with Remarks on the Skull Edwin C. Galbreath 56 downloads
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Comments on the Taxonomy and Geographic Distribution of Some North American Marsupials, Insectivores and Carnivores E. Raymond Hall and Keith R. Kelson 56 downloads
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Birds Found on the Arctic Slope of Northern Alaska James W. Bee 55 downloads
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Additions to the List of the Birds of Louisiana Jr. George H. Lowery 55 downloads
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The Mental Life of Monkeys and Apes: A Study of Ideational Behavior Robert Mearns Yerkes 55 downloads
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A New Subspecies of Slider Turtle (Pseudemys scripta) from Coahuila, México John M. Legler 54 downloads
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Additional Records and Extensions of Known Ranges of Mammals from Utah Stephen David Durrant, M. Raymond Lee, and Richard M. Hansen 54 downloads
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A Check-List of the Birds of Idaho M. Dale Arvey 53 downloads
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Geographic Variation in the Pocket Gopher, Cratogeomys castanops, in Coahuila, México Rollin H. Baker and Robert J. Russell 53 downloads
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Subspeciation in the Meadow Mouse, Microtus montanus, in Wyoming and Colorado Sydney Anderson 53 downloads
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Genera of Leptodactylid Frogs in México John D. Lynch 53 downloads
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The Tadpoles of Bufo cognatus Say Hobart M. Smith 52 downloads
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Two New Pocket Gophers from Wyoming and Colorado E. Raymond Hall and H. Gordon Montague 52 downloads
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Mammals of the Grand Mesa, Colorado Sydney Anderson 51 downloads
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The Unprotected Species Melvin Sturgis 51 downloads
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Bees from British Guiana Theodore D. A. Cockerell 51 downloads
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Mammals from Tamaulipas, Mexico Rollin H. Baker 51 downloads
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Two New Moles (Genus Scalopus) from Mexico and Texas Rollin H. Baker 51 downloads
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Notes on the Mammals of Gogebic and Ontonagon Counties, Michigan, 1920 Lee R. Dice and Harley Bakwel Sherman 51 downloads
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A New Pocket Gopher (Genus Thomomys) From Wyoming and Colorado E. Raymond Hall 50 downloads
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A New Pocket Mouse (Genus Perognathus) from Kansas E. Lendell Cockrum 50 downloads