Dybowski, Benedykt (1833–1930)
Hudson, C. T. (1828–1903)
Hudson, C. T. (1828–1903)
Hudson, C. T. (1828–1903)
Bertkau, Philipp (1849–1894)
Blasius, Wilhelm (1845–1912)
Becker, Léon (1826–1909)
Berg, Carolus (1843–1902)
Haeckel, Ernest (1834–1919)