Books in Biology
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On the Origin of Species By Means of Natural Selection
Charles Darwin
13877 downloads
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On the Origin of Species by Means of Natural Selection
Charles Darwin
6947 downloads
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Explanation of Terms Used in Entomology
John Bernhard Smith
6790 downloads
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Evolution, Old & New
Samuel Butler
5201 downloads
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Anecdotes of the Habits and Instinct of Animals
Mrs. R. Lee
4956 downloads
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The Origin of Species by Means of Natural Selection
Charles Darwin
4716 downloads
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My Studio Neighbors
W. Hamilton Gibson
4580 downloads
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Contributions to the Theory of Natural Selection
Alfred Russel Wallace
4570 downloads
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"Wee Tim'rous Beasties": Studies of Animal life and Character
Douglas English
4440 downloads
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Darwin, and After Darwin, Volumes 1 and 3
George John Romanes
3807 downloads
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On the Origin of Species by Means of Natural Selection
Charles Darwin
3140 downloads
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The Foundations of the Origin of Species
Charles Darwin
2901 downloads
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An Elementary Study of Insects
Leonard Haseman
2846 downloads
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Wild Nature Won By Kindness
Mrs. Brightwen
2767 downloads
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Evolution in Modern Thought
2628 downloads
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The Dawn of Reason; or, Mental Traits in the Lower Animals
Jr. James Weir
2150 downloads
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Love's Meinie: Three Lectures on Greek and English Birds
John Ruskin
1683 downloads
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At the Deathbed of Darwinism: A Series of Papers
Eberhard Dennert
1610 downloads
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Our Vanishing Wild Life: Its Extermination and Preservation
William T. Hornaday
1334 downloads
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Zoonomia; Or, the Laws of Organic Life, Vol. I
Erasmus Darwin
1221 downloads
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Darwin and Modern Science
A. C. Seward
1221 downloads
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Social Life in the Insect World
Jean-Henri Fabre
1069 downloads
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Form and Function: A Contribution to the History of Animal Morphology
E. S. Russell
1003 downloads
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The Variation of Animals and Plants under Domestication
Charles Darwin
964 downloads
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The Human Side of Animals
Royal Dixon
955 downloads
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Displaying results 1–25 | Next