Cercopithecus campbelli, Waterh., P. Z. S., 1838, p. 61; Fraser, Zool. Typ., pl. iii. (1848); Martin, Mammif. An., p. 544 (1841); Wagner in Schreber Säugeth. Suppl., v., p. 47 (1855); Gray, P. Z. S., 1868, p. 182; id., Cat. Monkeys Brit. Mus., p. 24 (1870); Schleg., Mus. Pays-Bas, vii., p. 82 (1876); Jentink, Notes, Leyden Mus., x., p. 9 (1888); Sclater, P. Z. S., 1893, p. 251.
Cercopithecus burnetti, Gray, Ann. N. H., x., p. 256 (1842).
Characters.—Fur long, longer on the hinder part of the back than on the front, separated along the back—the hairs black with broad yellow rings. Face bluish-black; lips flesh-coloured; band across the forehead white, washed with rufous—the hairs tipped with black; head as far as the nape of the neck, yellowish-brown; the fore part of the back brownish-black, the lower part of the back, the outer side of the hind-legs, the fore-legs, and basal third of the tail olive-black, washed with yellow; the long hair on the cheeks and side of the neck, which partly conceals the ears, greyish-white, ringed towards the tips with black and yellow; the inner side of the ears furnished with long yellow-flecked grey hairs; the chest, throat, under side of the body, inner side of limbs and fore part of the thighs white; posterior two-thirds of the tail yellowish-grey, the hairs ringed with black and faded yellow, those of the under side with brown and grey; tip of the tail with a small black tuft.
Distribution.—West Africa: from Sierra Leone to the Gold Coast.
Habits.—This is the commonest Monkey, both in the interior and on the coast of this region of Africa. It frequents the moderate-sized trees of the forest in troops of fifty or more in number; and it occasionally even takes to the water of its own accord.
XXVI. THE SAMANGO GUENON. CERCOPITHECUS SAMANGO.
Cercopithecus samango, Sundev. Öfvers. K. Vet.-Akad. Förh. Stockh., i., p. 160 (1844); Wagner in Schreber Säugeth. Suppl., v., p. 44 (1855); Peters, Reis. Mossamb., Säugeth., p. 4; Gray, P. Z. S., 1868, p. 182; id., Cat. Monkeys Brit. Mus., p. 24 (1870); Schleg., Mus. Pays-Bas, vii., p. 79 (1876; in part); Scl., P. Z. S., 1893, p. 251.
Characters.—Distinguished by the dirty white tint along the basal half of the tail, except along the median line of the upper side, which is black; end of the tail black. Back entirely blackish-olive—the hairs being yellowish-olive, ringed with black; inner side of the limbs, and entire under surface from the arms to the chin, dirty white; outer surface of the arms black, of the legs grey; the feet black; ears covered with whitish hairs.
Distribution,—South and East Africa: Natal and Mozambique; extending to Angola in the west.
XXVII. THE WHITE-LIPPED GUENON. CERCOPITHECUS LABIATUS.