172 



FAMILY CEBID^E. SAJOUS AND SAKIS. 



ceding genera. Tlie thumb is present on all the extremities. 

 These Monkeys are for the most part of small size, and are very 



Fro. 76. WHITE-TKROATKD SAJOU. 



lively and docile in their tempers, as well as active in their 

 movements ; but they are somewhat capricious in their disposi- 

 tions. In their native forests, they live in troops ; feeding on 

 fruits, grain, eggs, and insects, in obtaining which they display 

 great address. They have been termed Weepers, from the 

 plaintive, piping noise which many of them utter. 



160. In the other genera of Cebida3, the tail is but very 

 little, or not at all, prehensile, although it is frequently of con- 

 siderable size, and sometimes invested with a covering of very 

 long hairs. This is the case with the genus Pithecia, which in- 

 cludes the Sakis, or Fox-tailed Monkeys ; these animals live in 

 small troops of ten or twelve individuals, usually residing in the 

 outskirts of forests, bordering rivers ; and, like the Howlers, 

 utter loud cries before sunrise and after sunset. They display 

 a morose and savage temper ; menacing the offender with their 



