SEMXOPITHECUS. MAMMALIA. 45 



C. polycomos, Geoff. {Simla polycomos, Schreb.) Full Bottom Mon- 

 key. With a mane upon the neck,, shoulders, and top of the 

 back. About three feet high. Inhabits the forests of Sierra 

 Leone and Guinea Penn. Quad. i. pi. 24. 



C. ferrugmosus, Geoff. (Simla ferruginosa, Shaw,) Bay Monkey, 

 Penn. Fur ferruginous ; crown of the head, hands, and tail 



black Desm. Mam. 53. 



Similar to the preceding species in its slender members, length of the tail, and 



form of the fingers. 



C. Temmlnckll, Kuhl. Black above, on the shoulders and outside 

 of the thighs. About twenty inches in height Desm. Mam. 53. 



Gen. 5. SEMNOPITHECUS, F. Cuv.Cercopithecus, Geoff. Cuv. 



Incisors f, canines i-^, molars f-f = 32. Facial angle 45 ; 

 head round ; nose flat ; ears moderate ; limbs very long ; 

 thumbs of the anterior hands very short and remote ; cheek- 

 pouches, and callosities on the buttocks ; tail very long and 

 slender. 



S. maurus, C Simla maura, Lin.) The Negro Monkey, Penn. Fur 

 black ; a white spot beneath, near the origin of the tail ; about 

 fifteen inches in height. Inhabits the Island of Java Edwards' 

 Glean, pi. 311. 



S. melalophus, F. Cuv. (Simla melalophus, Raffles.) The Simpai. 

 Fur of a bright yellowish red above, whitish beneath ; a band of 

 black hairs on the forehead ; face blue. Inhabits the island of 

 Sumatra. F. Cuv. 



S. pruinosus, Desm. (Simla villosa, Griffith.) Fur blackish, tinged 

 with white ; tail brown. Inhabits Sumatra. Mam. 533. 

 This animal differs from the S. maurus in the want of a white spot at the in- 

 sertion of the tail. 



S. comatus, Desm. Fur above gray, beneath dirty white ; upper 

 part of the head covered with black hair, forming a tuft at the 

 back. Inhabits Sumatra Mam. 533. 



S. entellus, Geoff. (Simla entellus, Schreb.) Fur yellowish white ; 

 /^the face and hands black. About three feet and a half in length. 

 ^ Inhabits India. Audeb. iv, 2, pi. 2. 



Gen. 6. CERCOPITHECUS, Cuv. Geoff. Simia, Lin. 



Incisors J, canines y j, molars f f = 32. Canines a little 

 projecting, with intermediate spaces for their reception ; pos- 

 terior molars with only four tubercles ; head rounded ; fa- 

 cial angle 45 to 50 ; ears sometimes rounded, sometimes 

 slightly angular ; thumbs distinct, more or less approach- 

 ing to the fingers; cheek-pouches ; callosities on the but- 

 tocks, with the exception of one species ; tail as long at least 

 as the body, often turned up on the back. 



