FOOT-HANDED AND HAND- WINGED VERTEBRATES. 35 



skins. The Mandrill, Fig. 15, the largest and fiercest ot 

 the olass, is prominent in this respect. Its colors av<-, 



Fig. 15. Mandrill. 



very brilliant and various. Being as tall as a man when 

 erect, it presents a singular and formidable appearance. 

 Its head is large, with very prominent eyebrows, and 

 small, deeply-sunk eyes ; the cheek bones are enormous, 

 with large prominences on it of light blue, deep purple, 

 and scarlet ; its hair is an olive brown above and silvery 

 gray below, but of a deep orange under the chin ; the 

 ears are violet-black, and the hinder parts of its body are 

 a deep scarlet* This is Carpenter's description. The 

 colors must vary in different cases, as I find them some 

 what differently described by others. 

 ^ 52. The American monkeys are different species from 

 tnose which we find in the Old World. Some of the 

 particulars in which they differ from them I will men- 

 tion, They are generally much smaller. The thumb is 

 a very diminutive affair, and can not be brought in op- 

 position to the fingers. In some cases it is wanting. 

 The nostrils are wide apart, and open sidewise, while in 

 the monkeys of Asia and Africa they are near together, 



