1867.] dk. j. e. gray on the rhinocerotidie. 102/ 



4. Ceratotherium. 



Head elongate, produced behind ; forehead flat ; nose very broad, 

 square at the end ; uj)per lip bovine, rounded. Horns two, very 

 unequal, hinder small. Skin smooth, not divided into shields. 

 Shoulder with a well-marked hunch. Skull elongate; the portion 

 of the skull behind the hinder edge of the last or seventh grinder as 

 long as the one in front of it ; occiput erect, the upper margin much 

 produced behind the condyle ; forehead concave ; nose straight, 

 rounded ; nasal bones very broad, convex above, truncated, with a 

 sharp edge in front ; lower jaw thick, tapering in front ; molars 

 large; teeth hne straight. 



The skull of the very young animal has a very convex, nearly he- 

 mispherical prominence on the nasals, and is broad and rounded in 

 front ; but the prolongation of the hinder part of the skull is shown 

 in the foetal skull in which the milk-grinders are only just appear- 

 ing, the proportion of the hinder and anterior portion being nearly 

 the same as in the adult skulls ; the occiput is erect, without any 

 marked projecting crest. 



"The first animal that disappears before firearms." — Kirk, 

 P. Z. S. 1864, p. 655. 



"Gentle and a 'grazer;' living in open plains, feeding on grass." 

 — A. Smith. 



1. Ceratotherium simtjm. Mahoohoo. B.M. 



The front horn very long, slender, subcylindrical, recurved ; hinder 

 very small, conical ; nose broad, high, square. " Pale grey brown ; 

 shoulder, buttocks, and belly darker." The face of the skull from 

 the front edge of the orbit longer than the portion of the skull behind 

 this place. 



Rhinoceros horn, Parsons, Phil. Trans. 1742, 1743, t. 3. f. 6 

 (front horn). 



Rhinoceros siiuus, Bnrchell ; Blainv. Journ. de Phys. Ixxi. 163, 

 t. (head, horns bad) ; Cuvier, Oss. Foss. ii. 28 ; Bnrchell, Travels, 

 ii. 75; A. Smith, Zool. S. A. t. VJ (animal); Cat. S. A. Mus. 9, 

 L837; Blainv. Osteogr. Ongnligrades, t. 4 (skull &c.) ; Duvernoy, 

 Arch, du Mus. vii. t. 2, 3 (skull), t. 8 (skull, junior); Sclater, 

 P. Z. S. 1864, p. 100. 



R. burchellii, Desm. Mamm. 401. 



jR. simus (Chicore), A. Smith, Rep. 68, 1836; Harris, Sports iu 

 S. Africa, p. 371. 



R. camus. Ham. Smith ; Griffith, A. K. v. 746. 



Rhinaster simus, Gray, List Mam. B. M. 1840 ; Gerrard, Cat. 

 Bones B. M. 282. 



? Rhinoceros gordonii, Blainv. 



The Square-nosed or fFhite Rhinoceros (R. simus), Harris, Por- 

 traits of Wild Animals of S. A. 97, t. 19 (borns at p. 101). 



White Rhinoceros or Witte Rhinaster, Colonists, Cape G. H. 



Chickore or Mohoohoo, Bukeiana and Matabite. 



Hab. South Africa {Burchell ; Dr. A. Smith, type spec. B. M.) ; 

 Central Africa (Kirk). 



