Mammalia. 23 



Length of head and body about eighteen inches ; tail nearly the 



same 



Inhabits South Africa, and troops consisting of twenty or 

 thirty individuals, are often seen in woods and thickets, at no 

 great distance from Cape Town. 



Cercopithecus pygerythraeus, F. Cuvier. Mam. 



Cercocebus aygula, Geoff. (Egret Monkey.) Fur olive 

 brown above, grey beneath ; forehead blackish ; an upright 

 and pointed tuft of hair upon the top of the head ; face flesh 

 coloured, upper edge of the orbit elevated. Size of a small cat. 



Inhabits Mauritius. Desjardins. 



Simla Aygula, Lin. Syst. Nat. p. 39. Aigrette, Buff. 14. 

 /ig. 21. Simla Aygula, Schreb.^g. 22. Egret Monkey, Pen. 

 Quad. p. 207. 



Cercocebus fuliginosus. Geoff. (White-faced Monkey.) Colour 

 smokey brown, without any spots on the head or neck ; upper 

 eyelids pure white. Size nearly that of the domestic cat. 



Inhabits Ethiopia. 



Simla ffithiops, Lin. Gm. Sys. Nat.ZS. White-eyed Monkey, 

 Penn. Quad. 204. Shaw, 43. Mangabey, Buff. xiv. t. 344. 

 Simla (Ethiops, Schreb. jig. 20. 



Cercocebus (Elhiops. Geoff. (Collared Mangabey.) Fur 

 wine brown ; top of the head red ; upper eyelids white, and a 

 white band separates the eyes and proceeds on each side to the 

 top of the neck. About a foot and a half high. 



Inhabits Ethiopia. 



Simla CEthiops, Var. Gmel. Mangabey a Collier blanc, Buff, 

 xiv. Icon. Buff. xiv. t. 33. Var. 11. Audeb. Hist. 4. §. 2. 

 /. 10. Schreb. t. 21. 



Genus Macacus. Lacepede. 



Incisors t, canines \ \, molars I §, — 32. Canine teeth very 

 strong in the males ; the first and second molars with two tuber- 

 cles on their croivn; the three others have four, with the excep- 

 tion of the lust of the lower jaw which has five, and which is 

 terminated by a heel; fascial angle 40° or 45° ; superciliaiy 

 ridges much developed ; muzzle broad and projecting ; eyes ap- 

 proaching ; nostrils oblique, ears naked, close to the head, an^ 

 gular ; cheek pouches ; lips thin and extensible ; callosities on the 

 buttocks; tail shortish. 



Macacus cynomolgus. Desm. (Hare-lipped Monkey.) Green- 

 ish brown or olive above ; greyish white below ; head large ; 

 eyes small : body thick and clumsy ; tail rather shorter than 



