582 



MAMMALIA. 



more gentleness in their character. Like them, they are very 

 easily tamed when young, but they much more rarely become 

 vicious when they grow old. They then rather show symptoms oi 

 dulness, and this state increases with years, until it termmates m 

 a melancholy resignation, a kind of mental depression, that only 

 disappears with the extinction of life. They are very well en- 

 dowed so far as intelligence is concerned. 



The tribe of Semnopitheci comprises three genera — Nasica, 

 Semnopithecus proper, and Colobus. 



Fig. 259. — White-nosed Monkeys 

 (Cercopithecus petauruta). 



Fig. 260. — Gi'ivet {Cercopithecus 

 engythithia). 



Genus Nasica. — The Nasica, or Proboscis Monkeys (Fig. 261), 

 are so named because of their nose, which surpasses in length 

 that of Mankind. This is a pecidiarity which distinguishes 

 them from all other known Monkeys. They are also recognised 

 by their hair, which is more developed beneath the chin and 

 around the neck than on the other parts of the body. These 

 animals are the largest of the Semnopitheci, measuring nearly 

 fi-ve feet when standing upright. They are also the most 

 ferocious and least susceptible of training. They inhabit the 

 island of Borneo, and are found in numerous troops among the 



