22 
THE MAMMALS OE EGYPT. 
Cercopithecus pyeehonotus, Hemp. & Ehrenb. 
CercopitJiecus pyrrhonotus, Hemp. & Ehr. Berlin. Gesells. naturf. Fr. Verhandl. Band i. 1829; 
Hemp, & Ehr. Symbolse Physicae, 1829; Is. Geoff. St.-H. Diet. Univ. Hist. Nat. 1843, 
iii. p. 307; Keichenb. Affen, 1863, p. 123, fig. 311; Sclater, P. Z. S. 1871, p. 623, 1893, 
p. 250. 
“ Nisnas,’’ F. Cuv. Hist. Nat. Mamm., Nov. 1830. 
Cercopithecus ruber, Hupp. Neue Wirb., Sang. 1835, p, 8 [nee Gmel.). 
Berlin Museum. 
\ 
Description of the Type of the Species. 
The upper surface of the head and neck, outsides of the shoulders, the trunk and 
outsides of the thighs, and the upper surface of the tail, rich orange-reddish, very 
brilliant and deep in colour on the top of the head ; hairs on the belly white at base, 
with their apices orange-yellow. A few of the hairs on the front of the shoulders are 
black-tipped, but no black hairs occur on the chest. Many of the white hairs on the 
malar region and on the upper part of the cheeks are black-tipped. A well-marked 
black supercilium and a narrow black area passing backwards on the forehead above 
the external angle of the supraorbital ridge. The skin of the face and chin nearly black. 
A black vertical infraorbital line of hairs, but the hairs on the nose dusky white, as also 
are the straggling hairs on the upper lip. 
The fore limbs from the elbow downwards, and the hind legs from above the knees 
downwards, and the back of the thighs, the inner sides of the limbs, and the sides of 
the face, neck, and throat, and the under surface of the tail, more or less whitish, 
nearly pure white on the limbs. 
The hairs on the chin are quite dusky. A long tuft of whitish hairs inside the ears. 
Skin of under surfaces of hands and feet black. 
Dimensions. 
mm. 
Snout to vent.572 
Vent to tip of tail.502 
Height at shoulder.495 
As compared with the type, an adult male from Togoland, referable to C. patas, 
presents the following differences :— 
The face, including the chin, is pale coloured, the hairs on the nose are black, and 
those on the upper lip and chin are white and more numerous. The hairs behind the 
malar region and on the upper part of the cheeks have the black tips more numerous, 
and the superciliary black band is continued backwards to the ear. The hairs on 
the front of the shoulder and on the outside of the humerus, instead of being orange- 
