Books in Category: Science - Biology (sorted by popularity)
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The Descent of Man and Selection in Relation to Sex, Vol. I
Charles Darwin
487 downloads
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What is Darwinism?
Charles Hodge
484 downloads
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The Sea-beach at Ebb-tide
Augusta Foote Arnold
482 downloads
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Coral Reefs
Charles Darwin
481 downloads
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Extinct birds : An attempt to unite in one volume a short account of those birds which have become extinct in historical times
Baron Lionel Walter Rothschild Rothschild
476 downloads
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The pears of New York
U. P. Hedrick
476 downloads
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Structure and Functions of the Body
Annette Fiske
475 downloads
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Life histories of North American shore birds, Part 1 (of 2)
Arthur Cleveland Bent
473 downloads
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How to Use the Popular Science Library; History of Science; General Index
Garrett Putman Serviss and Arthur Selwyn-Brown
471 downloads
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Social Life in the Insect World
Jean-Henri Fabre
470 downloads
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The Wonders of Instinct: Chapters in the Psychology of Insects
Jean-Henri Fabre
470 downloads
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An Introduction to the History of Science
Walter Libby
469 downloads
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The Principles of Biology, Volume 1 (of 2)
Herbert Spencer
464 downloads
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On the Origin of Species by Means of Natural Selection
Charles Darwin
460 downloads
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The Vivisectors' Directory
458 downloads
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History of Botany (1530-1860)
Julius Sachs
455 downloads
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The Natural History of the Varieties of Man
R. G. Latham
453 downloads
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Birds useful and birds harmful
J. A. Owen and Ottó Herman
451 downloads
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The Variation of Animals and Plants Under Domestication, Vol. I.
Charles Darwin
450 downloads
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Charles Darwin: His Life Told in an Autobiographical Chapter, and in a Selected Series of His Published Letters
Charles Darwin
449 downloads
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Reptiles and Birds
Louis Figuier
448 downloads
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Clever Hans (The Horse of Mr. Von Osten)
Oskar Pfungst
446 downloads
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The Tropical World
G. Hartwig
445 downloads
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Summer Birds From the Yucatan Peninsula, Mexico
Erwin E. Klaas
436 downloads
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Biographies of distinguished scientific men. First series
F. Arago
432 downloads