ALOUATTES, Oil HOWLERS. 



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

 Yet, terrific as they appear, they arc 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 he seen seated on the upper branches of a tree — shaggy- 

 haired animals, with long prehensile tails like those of the 

 spider-monkeys — hideous-looking creatures, with pyramidical 



