By Lang, Arnold, 1855-1914 / Bernard, Henry Meyners. / Bernard, Matilda. / Haeckel, Ernst Heinrich Philipp August, 1834-1919 . Genre Anatomy, Comparative . Names thorax / called / animal / trunk / animals and 6574 more

By Biedermann, W. (Wilhelm), 1852-1929 / Welby, Frances A. (Frances Alice) . Genre Electrophysiology . Names axis / torpedo / cylinder / gymnotus / fish and 2206 more

By Biedermann, W. (Wilhelm), 1852-1929 / Welby, Frances A. (Frances Alice) . Genre Electrophysiology . Names animal / order / animals / simple / apex and 1699 more

By Eimer, Gustave Heinrich Theodor, 1843-1898 . Genre Evolution / Life / Origin . Names animals / life / animal / plants / order and 2117 more