68 Lloyd's natural historv 



Characters— Male. — Head rounded, short; ears small, rounded, 

 and nearly concealed in the long fur of the head ; eyes deep- 

 set ; superciliary hairs long ; whiskers thick and bushy ; no 

 beard ; facial angle large ; cheek-pouches small but distinct, 

 not observable even when filled, being concealed by the bushy 

 whiskers ; thumbs short ; great-toes long ; very small callosi- 

 ties ; tail half as long as the body. Larynx with the usual two 

 wide lateral sacs and a middle pouch extending forward about 

 three inches under the skin of the neck, communicating with 

 the larynx by a large opening. 



Entire upper surface black, mixed with yellow, — the hairs 

 being black, ringed with brownish-yellow bars. Face, cheeks, 

 and lips black ; shoulders, fore-hmbs and hind-limbs (washed 

 with yellowish), black, from the absence of the yellow bars, 

 which predominate on the back and sides ; under side of the 

 body black, speckled with white ; chin and throat white ; no 

 white thigh patches ; tail, black. 



Female. — Differs from the male in being smaller, and in 

 having the rump, the upper and lower sides of the base of the 

 tail, the region round the anus, and the posterior aspect of the 

 upper part of the thighs and arms strongly tinged with red- 

 dish-brown. The lower side of the body and inner sides of 

 the limbs whitish — the hairs towards their extremities being 

 ringed with black and greyish-yellow. It has been described as 

 Cercopithecus erythrarchiis of Peters and other writers. 



Distribution. — West Africa : Gold Coast {Pel) ; also said to 

 have been obtained on the Congo. East Africa : Mozambique; 

 believed to abound about Cape Corrientes {Feters). Quili- 

 mane and the Lower Zambesi are further given as habitats both 

 by Dr. Peters and Sir J. Kirk. Mr. H. H. Johnston, H.M. Com- 



