Books in Biology (sorted by popularity)
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Displaying results 1–25 | Next
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On the Origin of Species By Means of Natural Selection Charles Darwin 7543 downloads
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The Origin of Species by Means of Natural Selection Charles Darwin 2070 downloads
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On the Origin of Species by Means of Natural Selection Charles Darwin 1385 downloads
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Zoonomia; Or, the Laws of Organic Life, Vol. I Erasmus Darwin 993 downloads
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Explanation of Terms Used in Entomology John Bernhard Smith 608 downloads
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Social Life in the Insect World Jean-Henri Fabre 506 downloads
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Our Vanishing Wild Life: Its Extermination and Preservation William T. Hornaday 504 downloads
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The Life-Story of Insects George H. Carpenter 502 downloads
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An Elementary Study of Insects Leonard Haseman 485 downloads
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Birds of the Indian Hills Douglas Dewar 455 downloads
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The Story of the Living Machine H. W. Conn 423 downloads
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Lamarck, the Founder of Evolution: His Life and Work A. S. Packard 419 downloads
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My Studio Neighbors W. Hamilton Gibson 397 downloads
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Anecdotes of the Habits and Instinct of Animals Mrs. R. Lee 390 downloads
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On the Origin of Species by Means of Natural Selection Charles Darwin 357 downloads
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Ducks at a Distance: A Waterfowl Identification Guide Bob Hines 340 downloads
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Darwin and Modern Science A. C. Seward 324 downloads
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Parasiten der Honigbiene (German) Eduard Philibert Assmuss 310 downloads
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Evolution, Old & New Samuel Butler 307 downloads
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Form and Function: A Contribution to the History of Animal Morphology E. S. Russell 305 downloads
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The Minds and Manners of Wild Animals: A Book of Personal Observations William T. Hornaday 299 downloads
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The Variation of Animals and Plants under Domestication Charles Darwin 298 downloads
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What is Darwinism? Charles Hodge 293 downloads
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On the Genesis of Species St. George Jackson Mivart 291 downloads
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The Human Side of Animals Royal Dixon 280 downloads
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Displaying results 1–25 | Next