Books in Biology (sorted by popularity)
- Souvenirs entomologiques - Livre I (French) Jean-Henri Fabre 106 downloads
- Nature Near London Richard Jefferies 106 downloads
- Birds of Guernsey (1879) Cecil Smith 106 downloads
- Lectures on Evolution Thomas Henry Huxley 103 downloads
- Ohio Biological Survey, Bull. 10, Vol. 11, No. 6 Bruce Fink and Leafy Jane Corrington Hilker 99 downloads
- The Scientific Evidences of Organic Evolution George John Romanes 99 downloads
- The Evolution of Man Scientifically Disproved in 50 Arguments William A. Williams 94 downloads
- Criticisms on "The Origin of Species" Thomas Henry Huxley 91 downloads
- Biology : A lecture delivered at Columbia University in the series on Science, Philosophy and Art November 20, 1907 Edmund B. Wilson 88 downloads
- Parasiten der Honigbiene (German) Eduard Philibert Assmuss 86 downloads
- Essays on early ornithology and kindred subjects James Roxburgh McClymont 86 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 83 downloads
- Catalogue of British Columbia Birds Francis Kermode 82 downloads
- At the Deathbed of Darwinism: A Series of Papers Eberhard Dennert 81 downloads
- A Theory of Creation: A Review of 'Vestiges of the Natural History of Creation' Francis Bowen 79 downloads
- Darwiniana; Essays and Reviews Pertaining to Darwinism Asa Gray 79 downloads
- Concerning Animals and Other Matters Edward Hamilton Aitken 71 downloads
- The Doctrine of Evolution: Its Basis and Its Scope Henry Edward Crampton 70 downloads
- Facts and Arguments for Darwin Fritz Müller 69 downloads
- Proefnemingen van de particuliere beweeging der spieren in de kikvorsch (Dutch) Jan Swammerdam 68 downloads
- The Darwinian Hypothesis Thomas Henry Huxley 67 downloads
- "Wee Tim'rous Beasties": Studies of Animal life and Character Douglas English 67 downloads
- The Dancing Mouse: A Study in Animal Behavior Robert Mearns Yerkes 56 downloads
- Human Genome Project, Chromosome Number 01 Human Genome Project 29 downloads