32 APES AND MONKEYS 



the greatest cowards, and often are heard shrieking from 

 fright at imaginary dangers. They are dainty feeders, and 

 very difficult to keep in health in captivity. Four species 



BLACK-FACED SPIDER MONKEY. 



At'e-les a'ter. 



are found north of Panama. The MEXICAN SPIDER MONKEY 

 occurs up to Latitude 23, and is the most northern monkey 

 on this continent. 



THE OWL MONKEYS. Next to the spider monkeys is 

 found a group often represented in captivity, the members of 



