12. CERC0P1THECUS. 23 



having a yellowish-white spot over each eye, and a hlack 

 stripe on each side of the head from eye to ear. Up the 

 centre of the forehead runs a darkish stripe, each hair being 

 annotated Avith hlack and greenish-yellow. There are no 

 white spots on the crupper. Ilab. West Africa." 



11. Cercopithecus pogonias. TJie Bearded Monkey. B. M. 



Fur greyish brown, minutely groy-grizzled ; streak from eyoto oar, 

 broad streak on hack, hands and feet, and end of tail hlack ; fore- 

 head, whiskers, small moustache, and underside of body and outside 

 of limbs yellowish. 



Var. With tho broad dorsal streak only rather blackish. B. M. 



Cercopithecus pogonias, Bennett, P. Z. S. 1833, p. G7 ! Martin, i. 

 p. 543, f. 198 ! 



J fab. West Africa : Fernando Po, Thompson. 



11*. Cercopithecus Erxlebenii. B. M. 



Fur olive-brown, minutely grizzled with yellow ; chest and under- 

 paid of body, inside of limbs, and sides of the forehead yellow ; 

 limbs, a broad streak from the eye to the ear, and end of tail 

 black ; ears with a red or yellow pencil. 



Var. Erxlebenii. Back rather blacker behind; underside of tail 

 yellowish. B. M. 



Cercopithecus Erxlebenii, Dahlbom and Pucheran, Rev. ct Magasin 

 dc Zoologic, 1856, p. 90 ; 1857, p. 190 ; Dahlbom, Zooloyisha Studio; 

 p. 109, t. 5. 



Var. niyripes (or adult). Back with a broad black streak ; under- 

 side of tail reddish. B. M. 



Cercopithecus nigripes, Du Chaillu, Proc. Boston. N. II. Soc. ii. 1800, 

 p. 300 ! 



Ilab. West Africa : Fernando Po, Thompson ; Gaboon, Du 

 Chaillu. 



12. Cercopithecus Pluto. The Black-bellied Monkey. 



Fur black, very closely grey-grizzled ; frontal band whito ; sides of 

 forehead, shoulders, chest and limbs, and end of tail black ; under- 

 side of body and inside of thighs reddish black. 



Cercopithecus Pluto, Gray, P. Z. B. 1848, p. 50, t. 3 1 



Youmj. Back, head, and nape black, P. Z. S. 1848, t. 3 ! B. M. 



Ilab. Angola. 



See C. labiatus, Is. Geoff. Arch, du Mus. ii., 1842; and var. 

 from Port Natal, Is. Geoff. Cat. p. 20. 



