ALOUATTES, OR HOWLERS. 



455 



direction, now from another, and in far-off' parts of the forest. 

 Yet, terrific as they appear, they are produced by animals not 

 much larger than a full-grown fox. It is the mycetes, or 

 ursine howler the largest monkey of South America. 



ALOUATTES, Oil HOWLERS. 



On advancing into the forest in the morning, three or four 

 may be seen seated on the upper branches of a tree shaggy- 

 haired animals, with long prehensile tails like those of the 

 spider-monkeyshideous-looking creatures, with pyramids] 



