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Show 1867.] DR. J. E. GRAY ON THE RHINOCEROTIDAE. 1025 R. africanus, Desm. Mamm. 400 ; Harris, Portraits of Wild Animals of S. A. 81, t. 11 (horns at p. 85); Duvernoy, Arch, du Mus. vii. t. 8. R. brucei, Blainv. R. niger, Schinz, Syn. M a m m . 335. Rhinaster bicornis, Gray; Gerrard, Cat. Bones B. M . 282. In the British Museum there is the skull of a nearly adult animal. In the Museum of the Royal College of Surgeons is a very fine skull of an adult of this species (no. 2941), and the upper jaw covered with skin (no. 2942) and with the two horns attached to it. The horns are both circular at the base, and regular, conical, and blunt at the tip. Schinz, who compiled a Monograph of this genus, in his Synopsis named a species R. niger, after Capt. Alexander's description of the Black Rhinoceros in his 'Travels into the Interior of South Africa.' B. Nose rounded in front; upper lip acute in the middle. Skull:- face short-that is, from front of orbit to nasal, not so long as from same point to occipital condyle ; nasal rounded in front. Keitloa. 2. RHINASTER KEITLOA. The Keitloa or Ketloa. B.M. Upper lip with a central prominence, acute; horns elongate, hinder compressed, sharp-edged, often as long as the front one, front one rather compressed, recurved; shoulder without any hunch; skin pale yellow brown; skull short; face short from front edge of the orbit to the end of the nasal, not so long as from the front edge of orbit to occipital condyle. Var. 1. Keitloa. The horns of nearly equal length; the hinder compressed, sharp-edged before and behind; the front one rather compressed, broad and flat in front. Rhinoceros horn, Parsons, Phil. Trans, lvi. 32, t. 2. f. 8, 9. B.M. Rhinoceros ketloa or keitloa, A. Smith, Cat. S. A. Mus. p. 7, 1837; Illust. Zool. S. A. t. 1; Schinz, Syn. M a m . 337. Rhinaster keitloa, Gray, List M a m m . B. M .; Gerrard, Cat. Bones B. M. Var. 2. camperi. The horns both compressed and sharp-edged in front and behind, the front one twice as long as the hinder ; upper lip with acute central prominence. Rhinoceros bicornis capensis, P. Camper, Act. Petrop. 1777, ii. 193, t. 3, 4, 5, 6 (copied Blumenbach, Abbild. t. 7. i.a). Rhinoceros bicornis (adult), Cuvier, Oss. Foss. ii. t. 4. f. 5 (skull copied from Camper). Rhinoceros , Sparrman, Voy. ii. t. 3. R. camperi, Schinz, Syn. M a m m . ii. 335 ; Monogr. t. 1. Black Rhinoceros, Baker, Albert Nyanza, ii. 275; Nile Tributaries, fig. at p. 365 (head and horns). Hab. South Africa (Dr. A. Smith's type in B. Mi). |