Plate XLI. Bald Chimpanzee Anthropopithecus calvus.
Date 1897
Source Handbook to the Primates, Vol. II. http://archive.org/details/handbooktoprimat02forb
Author Henry Ogg Forbes (1851-1932). Species Plates by John Gerrard Keulemans (1842–1912).
Source: https://commons.wikimedia.org/wiki/File:Handbook_to_the_Primates_Plate_41.jpg

The common chimpanzee (Pan troglodytes), also known as the robust chimpanzee or simply chimp, is a species of great ape. It is found in in the forests and savannahs of West and Central Africa.