»» VEBTEBRATEi. 



is gradually taken up by the rest, precisely as may be observed in 

 a colony of rooks. They are in great request among the natives 

 as articles of food, their slow habits rendering them an easy prey. 

 The Ursine Howler, or Araguato, is common in Brazil, where forty 

 or fifty have been observed on one tree. They generally travel in 

 files, an old monkey taking the lead, and the others following in 

 due 3rdor. They feed principally on leaves and fruit; the tail is 

 prehensile, like that of the Spider Monkeys. 



The Red Monkejr. 



The Patas, or Red Monkey (simia rubra), is of a reddisl 

 /awn color, rather lively in the upper parts of the body, and 

 whitish below. It has a black band over the eyes, sometimes "sur- 

 mounted with white. It is a native of Senegal, Congo, and other 

 hot parts of Africa. This species is tailed and bearded. The 

 crown, the back, and the tail, are of a deep red color. There arc 

 two other varieties ; the first is provided with a yellow beard, while 

 the band over the eye is black. The second is furnished with a 



