SYNOPSIS OF THE SIM1APJ3. 253 



12. C. PYGERYTHR^US, Rcd-oreasted Monkey F. Cuv. 

 Mammif. Guenon Vervet., Desm. Mainm. Supp, p. 534. 

 Above greenish-gray ; beneath white ; hair round the 

 anus dull reddish ; tail tipped with black. Inhabits the 

 Cape of Good Hope. 



GENUS XII Cercocebui^ GEOFFROY. 



The muzzle lengthened ; the forehead receding : facial angle 

 about 45 ; large cheek-pouches ; callosities large ; tail longer than 

 the body. Africa and India. 



PLATE XIII 1. C. SABJEUS, the Callitrix or Green Monkey. Si- 



mia sabea, Linn. Guenon callitriche, F. Cuv. Mammif. ; 

 Desm. Mamm. p. 61. Singe vert, Geoff. Ann. du Mus. 

 xix. p. 97. Above olive-green ; shaded beneath from 

 yellowish-green to white ; face black, surrounded with 

 long hair. Inhabits Cape de Verd islands, Senegal, tho 

 Mauritius. 



2. C. CYNOSURUS, the Malbrouk. Guenon Malbrouck, 

 F. Cuv. Mammif. Desm. Mamm. p. 60. Cercopithe- 

 cus cynosurus Malbrouc, Geoff. Ann. du Mus. xix. 96. 

 Above olive-brown, shading to whitish on the under parts ; 

 a white band above the eyes. Inhabits Bengal. 



3. C. GRISEO VIRIDIS, the Grivet. Le Grivet, F. Cuv. 

 Mammif. Guenon grivet, Desm Mamm. p. 61. Grayish 

 green, paler beneath ; tail gray for the whole length. In- 

 habits Africa. (Allied to the two preceding species.) 



PLATE XII. 4. C. FULIGINOSUS, Mangabey or White Eyelid 

 Monkey. Le Mangabey, F. Cuv. Mammif. Guenon 

 enfumee, Geoff. Ann. du Mus. xix. 97 ; Desm. Mamm. 

 p. 62. Entirely of a gray sooty black, paler beneath ; the 

 upper eyelids white and conspicuous. Inhabits Ethiopia. 

 5. C. JETHIOPS, White Collared Mangabey. Cercocebe man- 

 gabey, Geoff. Ann. du Mus. xix. p. 97. Guenon mangsu 

 bcj, Desm. Mamm. p. 62. The crown chestnut-brown, 



