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Show 1893.J MONKEYS OF THE GENUS CERCOPITHECUS. 443 and smooth-haired species, but G. boutourlinii is long- and rough-haired, which indicates existence in a much colder climate. Another Monkey in the Florence Museum which attracted my attention was a stuffed specimen of Cercopithecus brazzce, Milne- Edwards, labelled " $ Congo, 1888," the gift of Count G. Brazza- Savorgnan. Monsieur Milne-Edwards has also kindly forwarded to me from Paris a flat skin of another individual of the same species which I now exhibit. As no full description of this remarkable Monkey has yet been published, the following description taken from these specimens may be useful:- CERCOPITHECUS BRAZZA. (Plate XXXIII.) Cercopithecus brazzce, Milne-Edwards, Rev. Sc. ser. 3, xii. p. 15 (1886); Sci. P. Z. S. 1893, p. 255. Above pale fulvous, densely annellated with black ; frontal band of dense erect hairs chestnut, with slight white tips; this is bordered behind by a broad black band which extends between the ears ; ears naked or nearly so; upper part of nose and narrow line above the eyes, in front of the rufous band, black; lower nose and upper lips white; chin and throat furnished with long whit hairs, which are much elongated in the middle line and form a long white beard; belly like the back, but darker; hands and feet black ; inner side of thighs, anus, and a line along the middle of the thighs outside, white ; tail black, except just at the base, where it is like the back. Length of body 21 inches, tail 22 inches. Hab. French Congo-land. The erect frontal band, which is very prominent, and the long white beard, which is not so pointed as in 0. diana and extends some way down the middle of the throat, render this species of Cercopithecus very remarkable. The white band which extends from the anus across the haunches on each side and down the outside of the thighs somewhat resembles that found in G. diana. There can be no doubt that C. brazzce is a close ally of C. neglectus, and it is even possible that the two species may be the same. But on comparing the present skin of G. brazzce with the flat and imperfect skin of C. neglectus in the British Museum, I find the general colour of 0. neglectus much more brownish, and the band on the hind legs across the haunches yellowish instead of white. The front part of the face-skin of the specimen of C. neglectus having been cut away, it is impossible to say whether it ever possessed the erect red frontal band of O. brazzce, but there are some indications of the band left on tbe skin. In other respects the two skins are much alike, and had they been from the same locality I should have been inclined to refer them to the same species. I have also to announce that we have lately lost our unique living specimen of Cercopithecus stairsi (P. Z. S. 1892, p. 580). I now exhibit its skin, which it is proposed to transfer to the National Collection. The figure and description already given are sufficient for the recognition of this remarkable species, which, as previously |