By Bastian, H. Charlton. . Genre Biogenesis . Names life / bacteria / animals / plants / animal and 2876 more

By Thorpe, Thomas Bangs, 1815-1878 . Genre n-usu-- / Frontier and pioneer life / Southwest, Old / Hunting . Names life / animal / horse / eye / wood and 752 more

By Barker, Lewellys F. (Lewellys Franklin), 1867-1943 . Genre Endocrinology . Names animals / thymus / age / type / animal and 4125 more

By Allen, Grant, 1848-1899 . Genre Botany / Nomenclature . Names flowers / plants / flower / fruit / grass and 2043 more

By Huxley, Thomas Henry, 1825-1895 . Genre Science . Names animals / gorilla / called / animal / pongo and 1162 more

By Haeckel, Ernst Heinrich Philipp August, 1834-1919 . Genre Human evolution / Embryology, Human / Anatomy, Comparative . Names animals / vertebrates / simple / animal / called and 3345 more

By Abbott, Charles Conrad, 1843-1919 . Genre Natural history / New Jersey / Fauna . Names fish / animal / life / called / animals and 2045 more

By Huxley, Thomas Henry, 1825-1895 . Genre Science . Names life / called / order / animal / plants and 721 more

By Scovil, Hiram Thompson. . Genre Agriculture / Accounting . Names horse / order / wheat / called / miscellaneous and 1006 more

By Darwin, Charles, 1809-1882 . Genre Earthworms / Humus / Soils . Names leaves / stones / soil / grass / animals and 892 more