WHITE CROWNED MANGABEY.
Cercopithecus æthiops, Kuhl. Beitr. Zool., p. 97 (1820, nec S. æthiops, Linn.).
Cercopithecus æthiopicus, F. Cuvier, Mamm., livr. xxxv. (Dec., 1821).
Cercocebus collaris, Gray, List Mamm. Brit. Mus., p. 7 (1843); id., Cat. Monkeys Brit. Mus., p. 27 (1870); Schl., Mus. Pays-Bas, p. 96 (1876.)
Characters.—Hair on the crown of the head not elongated, but directed backward; whiskers small, directed backward; no beard. Face, ears, hands, and callosities nude; tail long, carried over the back.
Face, ears, and hands black; the top of the head rich reddish-brown; whole of upper side of the body, hinder part of the shoulders, back, external surface of both pairs of limbs, feet, and tail, greyish slate-colour; throat, breast, whole under side of the body and inside of the limbs white, as are the nape of the neck, sides of the face, the fore part of the shoulder, and the front aspect of the arms, as far as the top of the fore-arm; in many species a somewhat broad wash of slate-grey crosses the side of the face from the cheeks to below the ear.
Distribution.—West Coast of Africa.
III. THE WHITE-CROWNED MANGABEY. CERCOCEBUS ÆTHIOPS.
(Plate XXVII.)
Simia æthiops, Linn., Syst. Nat., i., p. 39 (1766).