22 African Zoology. 



Ccrcopithecus Mona, Geoff. (Varied Monkey.) Nose, 

 mouth, and spaces round eyes, dull flesh colour ; cheeks bound- 

 ed by long whitish yellow hairs ; forehead grey; and o\'er the 

 eyes, from ear to ear, extends a black line ; the upper part of 

 the body dusky tawny, or chesnut coloured ; the breast, belly, 

 and insides of the extremities, white ; the outsides of the latter 

 black ; hands naked and black ; tail cinereous brown, and close 

 to its base on each buttock a white spot. Length of head and 

 body nearly eighteen inches, length of tail about two feet. 

 Inhabits Barbary, Ethiopia, and other parts of Africa. Shaw, 

 Simla Mona, Gra. Lin. Moue, Buff. 14. Jig. 36. et Supp. 7- 

 Jig. 19. Simla Mona, Schreb. Jig. 15. deuxieme No. Mone, 

 Aud. Jam. 4, sect. 2, fig. 7- The varied Monkey, Peun. 

 Q.uad. 219. Shaw's Zool. 1. 54. 



Genus Cercocebus. GeofF. 



Incisors \, canines \\, molars fi — 32. Fascial angle 45®; 

 head t-iangular ', muzzle long ish; the upper orbital edge rising 

 again and cut internally ; nosejlat and convex ; thumbs of the 

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

 hinder larger and more distinct ; buttocks with very large cal- 

 losities; tail longer than the body ; cheek pouches distinct. 



Cercocebus sabceus. Geoff. (Green Monkey). Colour above, 

 olive slightly varied with grey, beneath silvery grey ; face 

 dusky reddish, or a swarthy flesh colour ; nose black ; cheeks 

 covered with long pale yellow hair, falling back on each side 

 of the face, and almost covering the ears which are black ; 

 scrotum copper green surrounded by yellow hairs ; tail long, 

 slender, and yellow at the tip. About the size of a small cat. 



Inhabits Congo, Senegal, and Mauritania. 



Simla Sabsea, Lin. Sys. Nat. 1.38. Cercopithecas sabaeus, 

 Geoff. Ajin. Mus. xix. Singe vert, Bris. Reg. An. 205. Cal- 

 letriche, Buff. xiv. 272. Green Monkey, Pen. Quad. 203. 



Cercocebus griseo-viridis. (Grivet.) Fur greenish grey ; 

 scrotum copper green, surrounded with wliite hairs ; head 

 pyramidical ; tail entirely grey. 



Inhabits Africa. 



Cercopithecus griseo-viridis, F. Cuvier. Le Grivet, F. Cu- 

 vier. Mam. 



Cercocebus pygerythrceus. (Red-vented Monkey.) Above 

 greenish grey, beneath white ; face, hands, aud tip of tail, 

 black ; scrotum greyish green, margined with white hairs ; 

 yeut surrounded by a deep red ring ; eyebrows dusky white. 



