136 



APES, MONKEYS, AND LEMURS 



THE GUINEA BABOON (_Cynocephalus sphinx) 



There are few species of Mammals that have given rise to more confusion in 

 Natural History literature than this one, of which examples have been described 

 under at least two distinct names, and regarded as different species, though it is a 



THE YELLOW BABOON. 

 (One-sixth natural size.) 



well-ascertained fact that the common baboon, or papio, belongs to one and the same 

 species as the sphinx, or Guinea baboon. 



The Guinea baboon is characterized by the uniformly reddish-brown color of its 

 fur, which is washed with a yellowish tinge, more especially upon the head, shoul- 

 ders, back, and limbs ; the cheeks and throat being paler, and the whiskers fawn 

 colored. As in the chacma, the upper eyelids are white. The nose projects rather 



