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APES AND MONKEYS. 



All the mangabeys have an oval-shaped head, with a somewhat long muzzle ; 

 and they may be readily recognised in the living condition by their white eyelids. 

 Moreover, their hairs differ from those of the guenons in not being ringed with 

 different colours. 



THE SOOTY MANGABEY (Cercocebus fuliginosus). 



We select as our first example of these monkeys, the sooty mangabey, repre- 

 sented in the accompanying woodcut. This monkey belongs to a group containing 



THE SOOTY MANGABEY ( nat. size). 



three out of the four species, and characterised by the hair of the crown of the 

 head being directed backwards, without any prolongation into a crest. As its 

 name implies, the fur of the sooty mangabey is of a deep and dull black hue ; the 

 chin and under-parts being ashy. The face is livid, marked with dark brown 

 blotches about the eyes, nose, muzzle, and cheeks ; the ears, as well as the palms of 

 the hands and the soles of the feet, being of a blacker brown. 



