Mandibles of male, female and female child gorilla, plate VI in Human Ancestry From a Genetical Point of View by R. Ruggles Gates, Harvard University Press, Cambridge Massachusetts, 1948

Licence: In copyright

Credit: Mandibles of male, female and female child gorilla, plate VI in Human Ancestry From a Genetical Point of View by R. Ruggles Gates, Harvard University Press, Cambridge Massachusetts, 1948. Wellcome Collection. Source: Wellcome Collection.