MAMMALIA 



73 



(fig. 41). It is held sacred by the natives of India, and is 

 therefore allowed to commit serious depredations without let or 

 hindrance. Another species of the same genus {S. roxellanus), 

 found in the north of Thibet, has a well-developed pug nose; 

 and in a Bornean form, the Proboscis Monkey (S. nasica), that 



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Fig. 42. — The Barbary Ape {Inuus ecaudatus). 



part of the anatomy has a more classic outline, and confers upon 

 the animal an expression of comic wisdom. 



The Colobi of tropical Africa are comparable to the members 

 of the preceding genus, from which they are distinguished by 

 stronger jaws and a greatly reduced condition of the thumb. A 

 typical species is the Guereza {Colobus guerezd), of the Abyssinian 

 highlands. 



The Guenons are representatives of another African genus 

 {Cercopithecus) closely related to Semnopithecus, but differing 

 in the possession of cheek-pouches, and a relatively large thumb. 

 The members of the different species live together in large 

 communities, and on account of their thievish habits are regarded 



