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 7760 downloads
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The Origin of Species by Means of Natural Selection Charles Darwin 2355 downloads
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Explanation of Terms Used in Entomology John Bernhard Smith 1162 downloads
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On the Origin of Species by Means of Natural Selection Charles Darwin 1162 downloads
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Our Vanishing Wild Life: Its Extermination and Preservation William T. Hornaday 684 downloads
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Form and Function: A Contribution to the History of Animal Morphology E. S. Russell 528 downloads
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An Elementary Study of Insects Leonard Haseman 524 downloads
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Lamarck, the Founder of Evolution: His Life and Work A. S. Packard 495 downloads
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The Minds and Manners of Wild Animals: A Book of Personal Observations William T. Hornaday 481 downloads
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Anecdotes of the Habits and Instinct of Animals Mrs. R. Lee 455 downloads
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Zoonomia; Or, the Laws of Organic Life, Vol. I Erasmus Darwin 437 downloads
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My Studio Neighbors W. Hamilton Gibson 431 downloads
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The Human Side of Animals Royal Dixon 363 downloads
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The Wonders of Instinct: Chapters in the Psychology of Insects Jean-Henri Fabre 354 downloads
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On the Origin of Species by Means of Natural Selection Charles Darwin 353 downloads
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The Variation of Animals and Plants under Domestication Charles Darwin 335 downloads
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Darwinism (1889) Alfred Russel Wallace 322 downloads
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Social Life in the Insect World Jean-Henri Fabre 318 downloads
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Birds of the Indian Hills Douglas Dewar 314 downloads
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Darwin and Modern Science A. C. Seward 306 downloads
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The Foundations of the Origin of Species Charles Darwin 293 downloads
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Evolution, Old & New Samuel Butler 290 downloads
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Birds in Town & Village W. H. Hudson 285 downloads
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The Life-Story of Insects George H. Carpenter 277 downloads
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What is Darwinism? Charles Hodge 266 downloads
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Displaying results 1–25 | Next