_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 {71}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.