Hands and Feet of Apes and Monkeys. I, 2, Gorilla; 3-8, Chimpanzee ; 

 9, 10, Orang; 11-13, Gibbon; 14, 15, Guereza ; 16-18, Macaque; 

 19, 20, Baboon ; 21, 22, Marmoset. 



from " The Ryal Natural History " : Warne & Co. , Ltd. 



