Books in Category: Science - Biology (sorted by popularity)
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The Fundamentals of Bacteriology Charles Bradfield Morrey 427 downloads
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Fungi: Their Nature and Uses M. C. Cooke 426 downloads
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The Sea-beach at Ebb-tide Augusta Foote Arnold 425 downloads
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The Formation of Vegetable Mould Through the Action of Worms Charles Darwin 425 downloads
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On Snake-Poison: Its Action and Its Antidote A. Mueller 425 downloads
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Toadstools, mushrooms, fungi, edible and poisonous; one thousand American fungi Charles McIlvaine and Robert K. Macadam 425 downloads
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An introduction to the study of fishes Albert C. L. G. Günther 424 downloads
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The Vertebrate Skeleton Sidney H. Reynolds 423 downloads
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A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus William Edward Duellman and Linda Trueb 423 downloads
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Pioneers of Evolution from Thales to Huxley Edward Clodd 422 downloads
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De Reis om de Wereld (Dutch) Charles Darwin 421 downloads
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A Critique of the Theory of Evolution Thomas Hunt Morgan 421 downloads
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The Homing Pigeon United States. War Department and United States. Army. Signal Corps 418 downloads
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The Arctic World : Its plants, animals, and natural phenomena. With a historical sketch of Arctic discovery, down to the British polar expedition: 1875-76. Anonymous 418 downloads
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Het Leven der Dieren: Deel 1, Hoofdstuk 04: De Roofdieren (Dutch) Alfred Edmund Brehm 418 downloads
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Island Life; Or, The Phenomena and Causes of Insular Faunas and Floras Alfred Russel Wallace 417 downloads
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Mazedonien : Erlebnisse und Beobachtungen eines Naturforschers im Gefolge des deutschen Heeres (German) Franz Doflein 416 downloads
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Being Well-Born: An Introduction to Eugenics Michael F. Guyer 416 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 415 downloads
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Fishing Grounds of the Gulf of Maine Walter H. Rich 415 downloads
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The Power of Movement in Plants Charles Darwin and Sir Francis Darwin 415 downloads
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Argentine Ornithology, Volume 2 (of 2) W. H. Hudson and Philip Lutley Sclater 414 downloads
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A Review of the Middle American Tree Frogs of the Genus Ptychohyla William Edward Duellman 414 downloads
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The Breath of Life John Burroughs 412 downloads
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Luck, or Cunning, as the Main Means of Organic Modification Samuel Butler 411 downloads