Chap. XYIII. 



QUADKUMANA. 



307 



ornamental characters of monkeys. In most of the 

 species the sexes resemble each other in colour, but 

 in some, as we have seen, the males differ from the 

 females, especially in the colour of the naked parts of 

 the skin, in the development of the beard, whiskers, 

 and mane. Many species are coloured either in so ex- 



^',.'.'l,Vl 



Fig. 71. Head of Semnopithecus comatus. Fig. 72. Head of Cebus capucinus. 



Fig, 73. Head of Ateles marginatus. 



Fig. 74. Head of Cebua vellerosus. 



traordinarv or beautiful a manner, and are furnished 

 with such curious and elegant crests of hair, that we 

 can hardlv avoid lookino* at these characters as havini>: 

 been gained for the sake of ornament. The accom- 

 panying figures (figs. 70 to 74) serve to shew tlie 



X 2 



