172 FAMILY CEBID^J. SAJOUS AND SAKIS. 



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

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



FIG. 76. WHITE-THROATED SAJOU. 



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

 movements; but they are somewhat capricious in their dis- 

 positions. In their native forests, they live in troops ; 

 feeding on fruits, grain, eggs, and insects, in obtaining 

 which they displav great address. They have been termed 

 "Weepers, from the plaintive, piping noise which many of them 

 utter. 



1 60. In the other genera of Cebidse, the tail is but very 

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

 siderable size. This is the case with the genus Pithecia, which 

 includes 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 



