SYNOPSIS OP THE SIMIAlXffi. 257 



of the nostrils longer than the jaws. In the young the 

 muzzle is shorter. Inhabits the coast of Guinea. 

 PLATS XVL 3. C. PORCARIUS, the Chacma. Simia porcaria, 

 Linn. Papio porcarius aud comatus, Babuin pore and 

 chevelu, Geoff. Ann. du Mus. xix. p. 102 and 103. 

 Chacma, F. Cuv. Hist. Nat. des Mammif. Cynocephaie 

 chacma, Desm. Mamm. p. 69. Simia ursina, Penn. 

 Greenish-black, palest on the fore part of the shoulders ; 

 hair long upon the neck, in the form of a mane ; face 

 violet black ; upper eyelids white. Female without the 

 mane. Inhabits Southern Africa, Cape of Good Hope. 



4. C. HAMADRYAS, Dog-faced Baboon Simia hamadryas, 



Linn. Dog-faced ape, Penn. Tartarin, Geoff. Ann. du 

 Mus. xix. p. 103 ; F. Cuv. Hist. Nat. des Mammif. 

 Cynocephaie tartarin, Desm. Mamm. p. 69. Blackish, 

 gray tinged with brown ; hair of the fore parts long, forming 

 a shaggy mane ; face flesh colour. Female and young with 

 short muzzles, coloured blue. Inhabits Moco, borders 

 of the Persian Gulf, Arabia. 



GENUS XVI. Papio, BRISSON. 



Proportions much stronger than Cynocephali, and distinguished 

 from them by the tail being very short, almost a tubercle, and 

 perpendicular to the dorsal line. Dentition very powerful. 

 PLATE XVII. 1. P. MORMON, the Mandril. Simia mormon, 



Linn. Variegated Baboon, Penn. Mandril, Geoff. Ann, 



du Mus. xix. p. 104 ; F. Cuv. Hist. Nat. des Mammif. 



Cynocephaie mandril, Desm. Mamm. p. 70. Yellowish. 



olive, tinged with gray above, beneath white ; beard yellow; 



muzzle furrowed ; livid, but bright red and blue. In the 



young the furrows do not appear. Inhabits Africa, on the 



Gold and Guinea coast. 

 PLATE XVIII S. P. LEUCOPHJEUS, the Drill Simia leucophsea, 



F. Cuv. Ann. du Mus. Lx. ; Hist. Nat. des Mammi/ 



