Books in Biology (sorted by popularity)
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American Addresses, with a Lecture on the Study of Biology Thomas Henry Huxley 233 downloads
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Wild Nature Won By Kindness Mrs. Brightwen 224 downloads
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The Variation of Animals and Plants under Domestication Charles Darwin 222 downloads
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The Wonders of Instinct: Chapters in the Psychology of Insects Jean-Henri Fabre 217 downloads
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Evolution in Modern Thought 216 downloads
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Darwin, and After Darwin, Volumes 1 and 3 George John Romanes 214 downloads
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Species and Varieties, Their Origin by Mutation Hugo de Vries 204 downloads
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Life History of the Kangaroo Rat Charles Taylor Vorhies and Walter P. Taylor 203 downloads
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Ducks at a Distance: A Waterfowl Identification Guide Bob Hines 201 downloads
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Our Common Insects A. S. Packard 199 downloads
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Development of the Digestive Canal of the American Alligator A. M. Reese 197 downloads
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Facts and Arguments for Darwin Fritz Müller 194 downloads
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Synopsis of Some Genera of the Large Pyrenomycetes C. G. Lloyd 190 downloads
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The Evolution of Man Scientifically Disproved in 50 Arguments William A. Williams 186 downloads
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Contributions to the Theory of Natural Selection Alfred Russel Wallace 185 downloads
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Parasiten der Honigbiene (German) Eduard Philibert Assmuss 185 downloads
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The Foundations of the Origin of Species Charles Darwin 183 downloads
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The Origin of Species Thomas Henry Huxley 171 downloads
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Concerning Animals and Other Matters Edward Hamilton Aitken 166 downloads
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The Minds and Manners of Wild Animals: A Book of Personal Observations William T. Hornaday 164 downloads
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Souvenirs entomologiques - Livre I (French) Jean-Henri Fabre 164 downloads
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On the Reception of the 'Origin of Species' Thomas Henry Huxley 156 downloads
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De l'origine des espèces (French) Charles Darwin 156 downloads
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A Critical Examination of the Position of Mr. Darwin's Work, "On the Origin of Species," in Relation to the Complete Theory of the Causes of the Phenomena of Organic Nature Thomas Henry Huxley 156 downloads
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Fathers of Biology Charles McRae 154 downloads