Books in Category: Science - Biology (sorted by popularity)
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The life of Jean Henri Fabre, the entomologist, 1823-1910 Augustin Fabre 508 downloads
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Social Life in the Insect World Jean-Henri Fabre 506 downloads
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Index of the Project Gutenberg Works of Charles Darwin Charles Darwin 503 downloads
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Artistic Anatomy of Animals Édouard Cuyer 502 downloads
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Animal Parasites and Messmates P. J. van Beneden 502 downloads
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The Butterfly Book W. J. Holland 502 downloads
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Summer Birds From the Yucatan Peninsula, Mexico Erwin E. Klaas 501 downloads
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The Natural History of the Varieties of Man R. G. Latham 497 downloads
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The Anatomy of the Human Peritoneum and Abdominal Cavity George S. Huntington 495 downloads
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The Manual of the Botany of the Northern United States Asa Gray 495 downloads
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Ideen zu einer Physiognomik der Gewächse (German) Alexander von Humboldt 492 downloads
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Unconscious Memory Samuel Butler 490 downloads
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Animals of the Past Frederic A. Lucas 490 downloads
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What is Darwinism? Charles Hodge 485 downloads
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An Elementary Study of Insects Leonard Haseman 485 downloads
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Clever Hans (The Horse of Mr. Von Osten) Oskar Pfungst 484 downloads
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Studies of American Fungi. Mushrooms, Edible, Poisonous, etc. George Francis Atkinson 483 downloads
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Noteworthy Records of Bats From Nicaragua, with a Checklist of the Chiropteran Fauna of the Country J. Knox Jones, James Dale Smith, and Ronald W. Turner 482 downloads
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History of Botany (1530-1860) Julius Sachs 481 downloads
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Sketches of the Natural History of Ceylon Sir James Emerson Tennent 478 downloads
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Thomas Henry Huxley; A Sketch Of His Life And Work Sir P. Chalmers Mitchell 474 downloads
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Proserpina, Volume 1 John Ruskin 472 downloads
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British Museum (Natural History) General Guide British Museum 472 downloads
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The grapes of New York U. P. Hedrick 471 downloads
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Archimedes; or, the future of physics Lancelot Law Whyte 470 downloads