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Show 620 MR. W. T. BLANFORD ON THE [Dec. 6, The incisors of the lower jaw are thick and round. The skull, in comparison with the skull of Capra caucasica, has neither such a developed forehead nor such a broad occipital region. The fur has the following peculiarities : the general colour is a brownish grey, with more expressed yellowish tinge than in Capra caucasica ; the head is darker, a light spot on the nape of the neck is but a little developed ; along the ridge of the spine a dark stripe. The anterior and posterior extremities are dark with a very observable light stripe on their posterior side. The fur on the belly is light brownish. The beard, brown in colour, is longer and narrower than in Capra caucasica; the tail, on the contrary, is shorter. It seems to m e that all the figures of horns on the plate accompanying M r . Biichner's pamphlet (taf. 1) should be referred to Capra severtzowi. The distribution of Severtzow's Goat is more extensive than that of Capra caucasica ; this animal is met with throughout the whole of the alpine region of the western Caucasus, and, according to the observations of Mr. Dinnik, presents some marked distinctions in the specimens inhabiting its westernmost parts. " Their horns are comparatively short, thick, with a more decided outward turn at the base, and with large nodules on the anterior side. Their section taken near the base proved them to be quadrangular with rounded corners, rather than triangular. The circumference at the base of the horn as compared with the length measured along the anterior surface is equal to half or a little more. The colour of the fur of this Goat is also perceptibly lighter." It is possible that this western Caucasian Mountain-Goat may form a third distinct species, or at least a variety of Capra severtzowi. Both the described typical specimens of Goats (Capra caucasica and Capra severtzowi) are now preserved in the Zoological Museum of the University of Moscow. 7. Critical Notes on the Nomenclature of Indian M a m m a l s. By W . T. BLANFORD, F.R.S., F.Z.S. [Received November 9, 1887.] I. On the Simia silenus and S. veter of Linnaus, and on the proper name of the Malabar Bearded Monkey. Ever since the time of Schreber the specific name silenus has been applied to a bearded species of Macacus peculiar to the Malabar coast. This Monkey is commonly known amongst European zoologists as the Wanderoo, and in many European works on natural history is said to inhabit Ceylon ; but it was long since shown by various writers that the species is not Ceylonese, and that the Wanderoo of Ceylon is a Semnopithecus. The question I have endeavoured to solve is whether the bearded Macacus of Malabar is the Simia silenus oi Linnseus. |