Chapter XXXIX: De Brazza's Guenon. Cercopithecus Brazzæ

(_Plate XXXI._)

_Cercopithecus brazzæ_, Milne-Edwards, Rev. Sc. (3), xii., p. 15 (1886);
Sclater, P. Z. S., 1893 pp. 255, 443, pl. xxxiii.

CHARACTERS.--Top of head, back, sides of face, outside of thighs, and root of tail pale fulvous, densely ringed with black; a frontal band, of dense erect hairs, chestnut, {82}white-tipped, bordered behind by a broad black band from ear to ear; ears nearly naked; upper part of nose and a narrow line above the eyes, in front of the chestnut band, black; lower nose and upper lip white; a longish white beard on the chin and throat; belly dark fulvous, the hairs densely ringed with black; hands and feet black; inner side of thighs, arms, and a streak along the posterior aspect of the thighs, white; tail, except at its base, black. Length, 21 inches; tail, 22 inches. (_Sclater._) Nearly related to _C. neglectus_.

DISTRIBUTION.--West Africa: Upper Congo.

VII. CERCOPITHECI TRITUBERCULATI.

This section of the Family contains but one species, distinguished by the posterior lower molars having only three, instead of four, tubercles to their crowns. On this account it has been considered by some systematists to be the type of a distinct genus, _Miopithecus_.