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Show 1894.] DR. A. B. MEYER ON AN AFRICAN MONKEY. 83 3. Remarks on an African Monkey, Cercopithecus wolfi. By A. B. MEYER. [Eeceived November 21, 1893.] (Plate VIL) In ' Notes from the Leyden Museum' (vol. xiii. pp. 63-64, December 1890) I gave a preliminary description of this new Monkey from Inner Africa (though the exact locality is not known), after a living specimen in the Dresden Zoological Garden. At the same time I expressed m y intention of giving fuller particulars after the animal's death, since it is impossible to be perfect in details when noting down the characters of a living Monkey constantly leaping from one end of its cage to the other. The animal having died in October 1891,1 now offer the subjoined description, illustrated by a figure, of this remarkably fine species, and add some notes on its skeleton. In the valuable and complete list of the genus Cercopithecus recently published bv Dr. P.L. Sclater (P. Z. S. 1893, pp. 243 & 441), the 31 known species are divided into 6 sections, and if one does not wish to create a new section for C. wolfi, it could be placed in Section C (Erythronoti: above rufous, beneath white), or in Section E (Auriculati: ears with long tints), though it does not exactly agree with either. The following is a description of the specimen:-General colour of the upper surface dark slate-grey, passing into blue-grey on the sides, each hair with two or three pale rings and tipped with black; the hair-rings from the crown downwards form a dorsal stripe 4 cm. broad, tapering off to a point towards the tail, olive-yellowish from the crown to the middle of the back, most vivid on the crown, brown-yellow towards the tail; the hair-rings on the sides are pearl-grey, on the basal half of tail above ash-grey, the tips of the hairs black, on basal half of tail below whitish; the lengthened hairs of the sides of the body orange-yellow ; nose and bare skin of face blackish grey; upper lip as far as nose' and bare parts of under-lip flesh-colour; iris red-brown; the diadem-like stripe across forehead, extending more narrowly to the ears, yellowish white, each hair black at the tip ; eyebrows black; the hairs of the ears bright red-brown; temples and space in front of ears black, the long hairs of the whiskers washed with the same colour; the hair-rings of the whiskers, which tend to a lemon-yellow colour, are very broad in front, so that these hairs appear almost uniform yellow; chin, sides of neck, inner sides of arms, breast, belly, and inner sides of legs white, the hairs of the belly with faint orange-yellow tips ; shoulders and upper arms black, with pearl-grey hair-rings; outer side of lower arms uniform glossy deep black, between this and the white inner side a narrow ochre-coloured stripe running down to the underside of the hands; hairs on hands and feet above black, becoming thinner on the fingers; skin of hands and feet blackish grey; outer side of legs bright red-brown, 6* |
