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Show 918 SIR V. BROOKE ON THE [Nov. 19, specimens; they also differ from the larger specimens and the common Roe in some details of coloration. It is not improbable that the Mantchurian Roe may prove to be a third modification of the form. C. Distal ends of the lateral metacarpals remaining. (TELEMETACARPI.) Posterior portion of the nasal chamber divided by the vomer into two distinct chambers. Tuft of hair on the external surface of the metatarsus, when present, below the centre of that bone. Tuft on the inside of the tarsus frequently present. Ascending rami of the praemaxillae not reaching the nasals. (Exception, subgen. Furciferi) 7. CARIACUS. ( C A R I A C U S , subgen.) 1827. Mazama (subgen.), H a m . Sm., Griff. An. Kingd. vol. v. p. 314 (nee Rafinesque)1. 1850. Cariacus, Gray, P. Z. S. 1850, p. 237. Antlers not greatly exceeding the head in length, on short pedestals. A short upright brow-antler (fig. 13, a) rises from the inner surface of the lower third of the antler some little distance above the burr. The antlers are curved boldly forwards, downwards, and inwards, one or more tines being developed from their Fig. 13. Cariacus (Cariacus) virginianus. convex or posterior surface. Skull elongated and narrow. Lacrymal pit of moderate extent, owing to the very large anteorbital vacuity, which encroaches on the region usually occupied by the facial plate of the lacrymal. Nasals forming the larger part of the superior border of the anteorbital vacuity. Auditory bullae slightly inflated. N o upper canines ; molars sometimes with small supplementary columns; central incisors bnt slightly spatulate. A tuft of long 1 Mazama, of Rafinesque (1817), is too ill-defined to be used for either the Rocky-Mountain Sheep or the Pronghorn; but its publication invalidates its subsequent use in any other sense. Cf. Baird, N.-Am. M a m m . p. 665. |
