12. cERCOPITHECUS. 21 
Blanc-nez, Buff. Supp. vii. p. 67. Simia petaurista, Schreb. Cerco- 
pithecus petaurista, Trat Ascagne, F. Cuv. Mamm. Lith. t. 8. 
Ascanius, Zatr. Lesser White-nosed Monkey, Bennett, Zovl. 
Gard. fig. ! : 
Hab. Africa: Guinea. 
3. Cercopithecus melanogenys. The Black-cheeked Hocheur. B.M. 
For olive, minutely yellow-grizzled, greyish beneath ; nose-spot 
cordate, white; forehead, cheeks, hands, and feet black ; temples 
whitish. 
Var. Tail more rufous. B.M. 
Cercopithecus melanogenys, Gray, Ann. & Mag. N. H. 1845! Proc. 
‘ Zool. Soc. 1849, p. 7, t. 9. £1! ; 
Hab. West Africa. 
4, Cercopithecus Martinii. The Blackish Hocheur. B.M. 
Fur blackish, minutely white-dotted; nose-spot ovate, white, narrow 
above ; chest grey; temple, crown, arms and legs, inside and out, 
and end of tail black. 
Cercopithecus Martinii, Waterhouse, P. Z. 8, 1838, p. 58! 1841, p.71! 
Hab. Fernando Po. 
5. Cercopithecus nictitans. The Hocheur. B.M. 
Fur black; back minutely yellow-grizzled ; beneath black ; nose- 
spot hairy, white. 
Hocheur, Audeb.; F. Cuv. Mamm. Lith. t. Winking Monkey, 
Pennant ; Guenon & nez blanc, Buffon, H. N. Supp. vii. t. 18; F. 
Cu. Mamm. Lith. t.  Simia nictitans, Linn. Cercopithecus 
nictitans, Erzl. Lasiopyga nictitans, Ilhger. 
Hab. Fernando Po; Guinea. 
6. Cercopithecus ludio. The White-chested Hocheur. B, M. 
Fur black, closely grey-grizzled; chin, chest, and inside of upper 
arms white; temple, nape, shoulders, and outer and inner side of 
limbs and end of tail black ; nose-spot oblong, higher than broad, 
white. ; 
Cercopithecus ludio, Gray, Proe. Zool, Soc. 1849, p. 8, t. 9. f. 2. 
Hab. West Africa; Central Africa, Balfour Baikie. 
7. Cercopithecus erythrotis. The Red-eared Monkey. B.M. 
Fur black, very minutely grizzled with grey ; chin, throat, and 
chest white ; nose, ears, and all, except the middle, of the upper- 
