Books in Browsing: Science - Genetics/Biology/Evolution (sorted by popularity)
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The Systematics of the Frogs of the Hyla Rubra Group in Middle America Juan R. León 385 downloads
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Die epiphytische Vegetation Amerikas (German) A. F. W. Schimper 384 downloads
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Life and Habit Samuel Butler 384 downloads
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Darwinism (1889) Alfred Russel Wallace 384 downloads
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The Amphibians and Reptiles of Michoacán, México William Edward Duellman 383 downloads
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The Pocket Gophers (Genus Thomomys) of Utah Stephen David Durrant 381 downloads
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Parasites: A Treatise on the Entozoa of Man and Animals T. Spencer Cobbold 381 downloads
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The Social Direction of Evolution: An Outline of the Science of Eugenics William E. Kellicott 381 downloads
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The History of Creation, Vol. 2 (of 2) Ernst Haeckel 379 downloads
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Marine Protozoa from Woods Hole Gary N. Calkins 378 downloads
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First Principles Herbert Spencer 376 downloads
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Vertebrates from the Barrier Island of Tamaulipas, México Richard F. Johnston, Robert K. Selander, B. J. Wilks, and Gerald G. Raun 375 downloads
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Phylogeny of the Waxwings and Allied Birds M. Dale Arvey 374 downloads
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Middle American Frogs of the Hyla microcephala Group William Edward Duellman and M. J. Fouquette 373 downloads
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The Recent Mammals of Tamaulipas, México Ticul Alvarez 369 downloads
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The Variation of Animals and Plants under Domestication Charles Darwin 368 downloads
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The Movements and Habits of Climbing Plants Charles Darwin 368 downloads
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Respiration Calorimeters for Studying the Respiratory Exchange and Energy Transformations of Man Francis Gano Benedict and Thorne M. Carpenter 367 downloads
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The Evolution Theory, Vol. 1 of 2 August Weismann 367 downloads
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The Life-Story of Insects George H. Carpenter 365 downloads
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Outlines of Lessons in Botany, Part I; from Seed to Leaf Jane Newell Moore 363 downloads
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Mammals of Northwestern South Dakota J. Knox Jones and Kenneth W. Andersen 362 downloads
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Elementary Botany George Francis Atkinson 359 downloads
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North American Jumping Mice (Genus Zapus) Philip H. Krutzsch 359 downloads
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The Different Forms of Flowers on Plants of the Same Species Charles Darwin 358 downloads