106 



VERTEBRATA. 



THE COLLARED TEE-TEE, OR CALLITHRIX. 



parts of tropical South America. They are generally about twelve or fourteen inches in length 

 and bear a great resemblance to each other. 



Genus CALLITHRIX, Callithrix. — The monkeys of this genus are called Sajous by sonii 

 authors. Several of the species are also called Ti-ti, or Tee-tee. They are found in Brazil and th< 

 vicinity. They have thick fur, and a long tail entirely covered with hair, but not highly prehen 

 sile. In size, and also in general character, they resemble the sajous. 



The Ouappo, or Ouapoussa, C. discolor, is found on the borders of the Amazon and in Pen; 

 Its color is of a reddish gray, spotted with maroon. In running about among the branches of tli 

 trees, they display admirable grace and agility. The females carry their young ones on thoi 

 backs, and even thus encumbered seem to have the lightness of birds. During the day the 

 remain rolled up in balls, uttering from time to time a kind of internal cry, whence they are calif' 

 Ventriloquial Monkeys and Singing Monkeys. AVhen evening comes they resume their activity 

 and go forth to obtain their food, which consists of fruits and insects. They are gentle, but nc 

 very intelligent. They readily submit to domestication, in which state they eat cooked meat 

 sweetmeats, and other food. 



The other species of callithrix arc the C. amictus ; the Collared Callithrix, C. torqualus 

 the Masked Callithrix, C. personatus ; C.gigo ; the Black-handed Callithrix, C. melanochi 

 the Mitred Callithrix, C. infulatus ; C. donacophilus, C. moloch, and 0, cuprcut. 



Genus SAIMIRL, Saimiris. — The animals of this genus are but about ten inches in length, an 

 arc the most slender, graceful, and interesting of the whole monkey family. The large develo[ 

 ment of the brain is one of their most striking characteristics. The tail is but slightly prehensi! 

 yet is used in climbing trees. Humboldt tells us they are very sympathetic, and that when th>' 

 have any cause of sadness their eyes fill with tears. When a person is talking to them, tin 

 seem greatly interested, and try to seize the words as they issue from the mouth. They recogm; 

 the objects represented by engravings, as fruits and insects, and approach arid attempt to sei; 



