Books in Biology (sorted by popularity)
- The Evolution of Man Scientifically Disproved in 50 Arguments William A. Williams 101 downloads
- The Scientific Evidences of Organic Evolution George John Romanes 97 downloads
- Synopsis of Some Genera of the Large Pyrenomycetes C. G. Lloyd 96 downloads
- On the Reception of the 'Origin of Species' Thomas Henry Huxley 90 downloads
- Birds of Guernsey (1879) Cecil Smith 87 downloads
- Darwiniana : Essays — Volume 02 Thomas Henry Huxley 86 downloads
- Parasiten der Honigbiene (German) Eduard Philibert Assmuss 85 downloads
- Essays on early ornithology and kindred subjects James Roxburgh McClymont 84 downloads
- Ohio Biological Survey, Bull. 10, Vol. 11, No. 6 Bruce Fink and Leafy Jane Corrington Hilker 84 downloads
- Catalogue of British Columbia Birds Francis Kermode 82 downloads
- At the Deathbed of Darwinism: A Series of Papers Eberhard Dennert 82 downloads
- Biology : A lecture delivered at Columbia University in the series on Science, Philosophy and Art November 20, 1907 Edmund B. Wilson 78 downloads
- A Critical Examination of the Position of Mr. Darwin's Work, "On the Origin of Species," in Relation to the Complete Theory of the Causes of the Phenomena of Organic Nature Thomas Henry Huxley 76 downloads
- Darwiniana; Essays and Reviews Pertaining to Darwinism Asa Gray 75 downloads
- Concerning Animals and Other Matters Edward Hamilton Aitken 74 downloads
- Criticisms on "The Origin of Species" Thomas Henry Huxley 73 downloads
- A Theory of Creation: A Review of 'Vestiges of the Natural History of Creation' Francis Bowen 69 downloads
- Proefnemingen van de particuliere beweeging der spieren in de kikvorsch (Dutch) Jan Swammerdam 68 downloads
- The Doctrine of Evolution: Its Basis and Its Scope Henry Edward Crampton 60 downloads
- Facts and Arguments for Darwin Fritz Müller 59 downloads
- "Wee Tim'rous Beasties": Studies of Animal life and Character Douglas English 57 downloads
- The Dancing Mouse: A Study in Animal Behavior Robert Mearns Yerkes 56 downloads
- The Darwinian Hypothesis Thomas Henry Huxley 51 downloads
- Human Genome Project, Chromosome Number 01 Human Genome Project 24 downloads