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, flesh-coloured ; fur greenish ; 
frontal band distinct. Cynocedus. 6. 
* Face moderate, narrow in front, black. Chlorocebus. 
1. Chlorocebus ruber. The Putas. B.M. 
Fur red; nose, frontal band, shoulders, and outside of the arms 
blackish. 
Patas & bandeau noir, Buffon, H. N. xiv. t. 25. Simia ruber, Gmelin. 
8. patas, Schreber. S. rufa, Schreber, Cercopithecus ruber, Kuhl ; 
Geoff.; F. Cuv. Mamm. Lith. t. 
Var. or younger. Shoulders and outside of arms red. B.M. 
C. pyrrhonotus, Ehrenb. Sym. Phys. t. 
Hab. West Africa: Senegal. North Africa. 
The colour becomes brighter, and the shoulders and arms greyer, 
in adult age. 
2. Chlorocebus pygerythrus. Z'he Black-chinned Vervet. B.M. 
Far 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 base of tail red. 
Young. Hands and feet grey ; very young, blackish, B.M. 
Simia pygerythra, F. Cuv. Mamm. Lith. t. Cercopithecus pygery- 
thrus, Desm. 0. subviridis, F. Cuv. C. preartlnis, Geap” ad 
Hab. South Africa: Cape of Good Hope, Andrew Smith. 
See C. Lalandii, Is. Geoff. Arch. du Mus. ii. t. Grey; tail and 
sides olive. Hab. 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. 564, t. 82, 
1841. C. erythrarchus, Peters, Monats. Preus, Akad, Berlin, 1851, 
p. 756; Mossambique, t. 1. 
Hab. Mossambique. 
4, Chlorocebus sabeus. The Callithria. 
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. 
