. SYNOPSIS OF THE 



Inhabits Africa, especially near Congo and Guinea. 



31. U. S. C. Alhocinereus. Fur, gray above ; deeper on 

 the arms ; whitish below, with a line of ridged black hairs 

 traversing the forehead ; hands black; tail brown. 



Cercopithecus albocinereus, Desm. Mamm. 534. 



Icon. 



Inhabits Sumatra. 



XI. Cercocebus. — Geoffwy, Facial angle 45°, head trian- 

 gular ; muzzle longish ; the upper orbital edge, rising again 

 and cut internally ; nose fiat and convex; the thumbs of 

 he anterior hands thin, rather close to the fingers, those of 

 he hinder larger and more distant ; the buttock with very 

 arge callosities; tail longer than the body; cheek pouches 

 distinct, 



32. \. S.C. Cynosurus, (the Malbrouck). Fur, olive brown 

 above, whitish beneath, with a whitish band over the eyes. 



Simla cynosurus, ^ Gmelin, Sys. Nat. 30. S. faimus 

 Li?i. Sys. Nat. 36. Cercocebus cynosures. Geoff. Ann. 

 Mus. XIX. 96. 



Malbrouc, Buffon, xiv. Jeune Callitriche, Audeh. Hist. 

 4. § 2. t. 5. Dog-tailed Baboon. Shaw, 32. 



Icon. Scop. Delic. t. 19. $ — Schreb. t. 14. B, Buff. xiv. 

 t. 29 $ Audeb. Hist. 4. § 2. /. 5. 



Inhabits Bengal. 



Obs. M. Cuvier considers the S. talapoin (?i. 22.,) to be 

 only a young individual of this species. 



33. 2. S. C. SabcEUS (Callitrix, or Green Monkey). Fur, 

 olive green above ; dirty white beneath ; head pyramidical ; 

 face black ; cheeks with long hairs ; scrotum copper green, 

 surrounded by yellow hairs; end of the tail, yellow. 



Simia Sabaea. Lyn. Sys. Nat. 1. 38. Cercopithecus Sa- 

 baea, Geoff. Ann. Mus. xix. 



Singe Vert, Bris. Reg. An. 205. Callitriche, Buff. xiv. 272. 

 11 



