QUADRUMANA. 559 



nostrils are terminal, their feet thick and soft ; and they are farther 

 distinguishable, by having the nail of the forefinger of their posterior 

 hands raised and sharp- pointed, while the nails of the other hands 

 are flat. They are all very active, and have been named Fox Mon- 

 keys, on account of the shape of their heads. The Lemurs, pro- 



FlG. 482. WHITE-FRONTED LEMUR. 



perly so called, exclusively inhabit the island of Madagascar, where 

 they seem to take the place of the real monkeys. They live upon 

 fruits and small animals, and some of them are trained to hunt like 

 dogs. 



The Sloth Monkeys (Stenops* tardigradm^) have acquired 

 their name from the extreme slowness of their movements. They 

 are nocturnal in their habits, living upon insects and small birds, 

 which they approach stealthily in the dark. They inhabit the East 

 Indies. 



Tlie Marmozets (Hapale |) constitute a little group peculiar to 

 the New World. They are small, agreeable-looking animals, with a 

 round head, flat face, lateral nostrils, and a bushy tail, which is not 

 prehensile. On their anterior extremities their thumbs are scarcely 

 opposable to their other fingers, and all their fingers except the 



* <TTv6s, stenos, narrow ; fy, ops, a face narrow-faced. 

 Tardus, slow ; gradior, I walk sloiv-walhing. 

 s, hapalos, soft. 



