Books in Category: Science - Biology (sorted by popularity)
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Proceedings of the California Academy of Sciences, Volume III, 1863-1867
Various
503 downloads
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Lives of Eminent Zoologists, from Aristotle to Linnæus
William MacGillivray
503 downloads
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Darwin and Modern Science
A. C. Seward
500 downloads
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The Bird Book
Chester A. Reed
497 downloads
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The Life of the Spider
Jean-Henri Fabre
495 downloads
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The Mechanism of Life
Stéphane Leduc
493 downloads
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Life and Letters of Thomas Henry Huxley — Volume 3
Thomas Henry Huxley
491 downloads
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The Insect World
Louis Figuier
489 downloads
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History of Botany (1530-1860)
Julius Sachs
488 downloads
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Letters of Asa Gray; Vol. 1
Asa Gray
479 downloads
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Birds of the Rockies
Leander S. Keyser
479 downloads
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Marine Protozoa from Woods Hole
Gary N. Calkins
478 downloads
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American Weasels
E. Raymond Hall
477 downloads
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Animal Intelligence
George John Romanes
477 downloads
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Summer Birds From the Yucatan Peninsula, Mexico
Erwin E. Klaas
475 downloads
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The Illustrated Self-Instructor in Phrenology and Physiology
O. S. Fowler and L. N. Fowler
472 downloads
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The Dawn of Reason; or, Mental Traits in the Lower Animals
Jr. James Weir
471 downloads
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The Microscope. Its History, Construction, and Application 15th ed.
Jabez Hogg
469 downloads
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Zoological Illustrations, Volume 2
William Swainson
469 downloads
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The Riddle of the Universe at the close of the nineteenth century
Ernst Haeckel
467 downloads
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An introduction to the study of mammals living and extinct
Richard Lydekker and William Henry Flower
467 downloads
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The Butterflies of the British Isles
Richard South
466 downloads
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An Introduction to Entomology: Vol. 1
William Kirby and William Spence
463 downloads
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The Birds of Washington (Volume 1 of 2)
William Leon Dawson and John Hooper Bowles
462 downloads
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Zoölogy: The Science of Animal Life
Ernest Ingersoll
460 downloads