13. CHLOROCEBUS. 25 



a. Anal region ferruginous ; frontal band yellow. 2, 3. 



b. Anal region grey; frontal band narrow or indistinct. 4,5. 



II. Face large, broad in front, llcsb-colourcd ; fur greenish; 

 frontal band distinct. Cynocebus. G. 



* Face moderate, narrow in front, black. Cblorocebus. 



1. Cblorocebus ruber. The Patas. B. M. 



Fur red ; nose, frontal band, shoulders, and outside of the aims 

 blackish. 



Patas a bandeau noir, Buffon, II. N. xiv. t. 25. Simia ruber, Gmelin. 

 S. patas, Schreber. S. rufa, Schrcbcr. Cercopithecus ruber, Kulil ; 

 Geoff. ; F. Cuv. Mamm. lath. t. 



Var. or younger. Sboulders and outside of arms red. B. M. 



C. pyrrhonotus, Ehrenb. Sym. Phi/s. t. 



Hab. West Africa : Senegal. North Africa. 

 The colour becomes brighter, and the shoulders and arms greyer, 

 in adult age. ^ 



2. Chlorocebus pygerythrus. The Black -chinned Vervet. B.M. 



Fur greyish green, minutely punctuated with black ; face, hands, 

 feet, and end of tail black ; cheek, throat, and underside of body 

 reddish white ; front of legs like back ; scrotum green ; anal region 

 and baso of tail red. 



Young. Hands and feet grey ; very young, blackish. B.M. 



Simia pygerythra, F. Cuv. Mamm. Lith. t. Cercopithecus pygery- 

 thrus, Desm. C. subviridis, F. Cuv. C. pygerythrus, Geoff'. 



Ilab. South Africa : Capo of Good Hope, Andreiv Smith. 



Sec 0. Lalandii, Is. Geoff. Arch, du Mus. ii. t. Grey ; tail and 

 sides olive. Hob. South Africa : Caffraria. 



3. Chlorocebus rufo-viridis. B. M. 



Fur yellow grey, minutely black-dotted ; crown, tail, outside 

 of limbs and thighs blacker ; throat, underside of body, and in- 

 side of limbs white ; anal region and base of tail red. 



? Cercopithecus rufo-viridis, Is. Geoff". Arch, du Mus. ii. p. 6G4, t. 32, 

 1841. C. erythrarchus, Peters, Monats. Prcus. Akad. Berlin, 1851, 

 p. 75G ; Mossambique, t. 1 . 



Ilab. Mossambique. 



4. Chlorocebus sabaous. The Oallitlirix. 



Fur black and yellow mixed ; crown, hands, and upper part of 

 base of tail blacker ; frontal band none or very narrow ; whiskers, 

 throat, and underside and end of tail yellowish white ; feet blackish ; 

 vent and base of tail grey ; scrotum green. 



