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Show 32 DR. J. E. GRAY ON THE STEPPE-CAT OF BOKHARA. [Jan. 6 very numerous small irregular spots. The spots are smallest and roundest on the dorsal line, oblong on the sides, and forming interrupted lines on the shoulders and thighs, which are most distinct on the outside of the fore legs, and especially forming four broad cross streaks on the front edge of the thighs. Tail cylindrical, reaching to the ground, spotted at the upper part of the base, and with eight or nine narrow interrupted rings on the upper part of the remaining portion, and with a black tip. Nose brown, with short hair. Forehead and cheeks like the back, but with smaller spots, and without any distinct dark streaks from the back edge of the eye. The ears ovate, acute, pale brown externally, with a terminal pencil of blackish hairs, and whitish on the edge within. Chin, hinder parts of the upper lip, under part of the head, throat, chest, belly, inside of legs and hind feet whitish brown, the chin being whitest and the inside of the hind legs and feet darkest. There is a large blackish spot on the upper part of the inside of the fore legs, and two small cross streaks on the front edge of the inside of the hind thighs. The hinder part of the hind feet to the heel blackish. Length of body and head 23| in.; tail 12^ in.; height at shoulder 12 in. Hab. "Cocan," Bokhara. The skull (PI. VII.) is 3\ in. long, and 2\ wide at the zygomatic arch; the lower jaw is 2f in. long, and 2\ in. wide at the condyles. It has a short face, with a round well-developed brain-cavity and large orbits. This species is most like Chaus ornatus; but that differs in the spots being round and distinct and in the tail being shorter. It differs from the Felis chaus from the shores of the Caspian, known all over Southern Asia as the Jungle-Cat, figured by Giilden-stadt in the 'Nov. Comm. Acad. Petrop.' xx. p. 483, t. 14, in the tail being much longer and the fur distinctly spotted. The pale brown colour of the outer side of the ears at once distinguishes it from the red-eared Chaus catolynx, and the Cape-Cat, Felis caligata. It has nothing to do with the Felis euptilura, described and figured by Mr. Elliot in the Proc. Zool. Soc. 1873, p. 759, t. lxxvi., from a skin in a bad state belonging to Mr. Bartlett, " stated to come from Siberia," and now in the British Museum. Mr. Elliot describes his species as coming from North-western Siberia, and thinks it is the same as a cat from Amurland figured as Felix undata 1 by Radde (Reisen im Siiden von Ost-Sibirien, 1862, p. 106, t. iv.). I do not know what is the authority for Mr. Elliot's statement as to the part of Siberia in which this animal is said to be found; Mr. Bartlett does not give any, and M . Radde travelled in East Siberia. Perhaps it is only a mistake in writing. Radde collected his Felis undata in the Amurland; he believes (/. c. p. 113) that it is identical with the cat I described as Felis chinensis, Gray (Mag. Zool. 1837) ; but evidently he had never seen Felis chinensis from S. China, any more than he had seen Felis undata of Desmarest or Felis minuta of Temminck from Java, after which he names his cat on the plate. If he had, he must have |