12. ceRcoPITHEcts. 23 
having a yellowish-white spot over each eye, and a black 
stripe on each side of the head from eye to ear. Up the 
centre of the forehead runs a darkish stripe, each hair being 
annulated with. black and greenish-yellow. There are no 
white spots on the crupper. Hab. West Africa.” 
11. Cercopithecus pogonias. The Bearded Monkey. B.M. 
Fur greyish brown, minutely grey-grizzled; streak from eye to ear, 
broad streak on back, hands and feet, and end of tail black; fore- 
head, whiskers, small moustache, and underside of body and outside 
of limbs yellowish. 
Var. With the broad dorsal streak only rather blackish. 3B. M. 
Cercopithecus pogonias, Bennett, P. Z. 8S. 1838, p. 67! Martin, i. 
pe, fist ; aay ae 
3 
Hab. West Africa: Fernando Po, Théinpson. 
11*. Cercopithecus Erxlebenii, B. M.. 
Fur olive-brown, minutely grizzled with yellow ; chest and under- 
part 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. Erazlebenit. Back rather blacker behind; underside of tail 
yellowish. B. M. 
Cercopithecus Erxlebenii, Dahlbom and Pucheran, Rev. et Magasin 
de Zoologie, 1856, p. 96; 1857, p. 196; Dahibom, Zoologiska Studier, 
p. 109, t. 5. 
Var. nigripes (or adult). Back with a broad black streak; under- 
side of tail reddish. B. M. 
Cercopithecus nigripes, Du Chaillu, Proc. Boston. N. H. Soe. ii. 1860, 
p. 360! 
Hab. West Africa: Fernando Po, Thompson; Gaboon, Du 
Chaillu. 
12. Cercopithecus Pluto. The Black-bellied Monkey. 
Fur black, very closely grey-grizzled ; frontal band white ; 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. S. 1848, p. 56, t. 3! 
Young. Back, head, and nape black, P. Z. 8. 1848,t.3! B.M. 
Hab. Angola. 
See C. labiatus, Is. Geoff. Arch. du Mus. ii., 1842; and var. 
from Port Natal, Is. Geoff. Cat. p. 20. 
