OF THE CLASS MAMMALIA. 253 



the other hand, in the forest they display the utmost agility, 

 and this seems indeed to be their natural locality. To arms of 

 great length, and feet organized as hands, with an opposing 

 thumb, in some we find in addition a long prehensile 

 tail, so that their activity amongst trees becomes almost 

 incredible. 



Fig. 192. White-Fronted Makis, with its Young. 



Apes inhabit only warm countries ; a single species dwells 

 on the rock of Gibraltar ; the apes of the New World are all 

 distinct from those of the Old. 



414. The order of carnivora is composed of ordinary 

 onguiculated mammals ; the form of their dentition is com- 



