Books in Category: Science - Biology
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A Preliminary Revision of the North American Species of Cactus, Anhalonium, and Lophophora
John Merle Coulter
481 downloads
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A Review of the Middle American Tree Frogs of the Genus Ptychohyla
William Edward Duellman
481 downloads
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A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, México
William Edward Duellman
480 downloads
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De afstamming van den mensch en de seksueele teeltkeus, deel 1 (van 2) (Dutch)
Charles Darwin
480 downloads
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Birds from Coahuila, Mexico
Emil K. Urban
480 downloads
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Colouration in Animals and Plants
Alfred Tylor
480 downloads
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The Minor Horrors of War
Sir A. E. Shipley
480 downloads
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Gorillas & Chimpanzees
R. L. Garner
480 downloads
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The Perpetuation of Living Beings, Hereditary Transmission and Variation
Thomas Henry Huxley
480 downloads
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Note on the Resemblances and Differences in the Structure and the Development of the Brain in Man and Apes
Charles Darwin and Thomas Henry Huxley
480 downloads
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The botanist's repository for new and rare plants; vol. 08 [of 10]
active 1799-1828 Henry Cranke Andrews
479 downloads
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The Story of Germ Life
H. W. Conn
479 downloads
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An ethical problem; or, Sidelights upon scientific experimentation on man and animals
Albert Leffingwell
479 downloads
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Ecological Observations on the Woodrat, Neotoma floridana
Dennis G. Rainey and Henry S. Fitch
479 downloads
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Beautiful Ferns
Daniel Cady Eaton
479 downloads
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Science and Morals and Other Essays
Sir Bertram Coghill Alan Windle
478 downloads
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Desert and water gardens of the Red Sea : Being an account of the natives and the shore formations of the coast
Cyril Crossland
478 downloads
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Illustrations of the Birds of California, Texas, Oregon, British and Russian America
John Cassin
477 downloads
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A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus
William Edward Duellman and Linda Trueb
477 downloads
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The Story of Creation as Told By Theology and By Science
T. S. Ackland
477 downloads
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The Dwelling House
George Vivian Poore
477 downloads
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Animal Castration
Alexandre François Augustin Liautard
476 downloads
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The Myxomycetes of the Miami Valley, Ohio
A. P. Morgan
476 downloads
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Myology and Serology of the Avian Family Fringillidae: A Taxonomic Study
William B. Stallcup
476 downloads
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Supplement to the catalogue of seals and whales in the British Museum
John Edward Gray
476 downloads