194 MAMMALIA. 
Plunging Antelope.) A light fawn coloured brown ; some white 
beneath the under jaw; a black line on the external face of the 
limbs. It derives its name from the manner in which it plunges 
into the bushes when pursued. 
J. oreotragus, Forst.; Klip-Springer of the Hollanders; Buff. 
Supp. VI, pl. xxiis Schr. 259. (The Rock-Springer.) Distin- 
guished by its stiff brittle hair, which is of a greenish yellow.(1) 
The smallest Antelopes are comprehended in this division. 
A. grimmia, L.; F. Cuv. Mammif. (The Grimme.) Fawn 
coloured grey; the forehead blackish; a small tuft of hair on 
the top of the head. 
A. pygmexa, Pall.; F. Cuv. Mammif.(2) (The Guevei.) Ash 
coloured; a pale blankish line along each side of the forehead. 
e. Annulated horns with a simple curve, the points directed forwards. 
The Revunca of Smith. 
A. redunca, Buff. XII, pl. xlvis Schreb. 265. (The Nagor.) 
Reddish brown. From Senegal.(3) 
f. Horns annulated, straight or but slightly curved, and longer than the 
head. The Oryx of Smith, in part. 
A. oryx, Pall.; erroneously termed Pasan by Buff. Supp. VI, 
pl. xvii 3; Cape Chamois of the Hollanders.(4) (The Oryx.) As 
large as a Stag, with slender horns two or three feet long, 
straight, pointed, round, the lower third obliquely annulated and 
smaller in the female ; hair ash coloured ; head white, barred 
with black 3 a black band on the spine and one on each flank; a 
deep chesnut spot on the shoulder, and one on the thighs ; tail 
long and blackish, and the hairs of the spine directed towards the 
neck. It is found to the north of the Cape, and in the interior 
of Africa. The length of i its hoofs, which is greater than in the 
other species, enables it to climb rocks, and it prefers moun- 
tainous districts.(5) , 
Bos ba 
AE 
(1) Add 2. guadriscopa, Ham. Smith. 
(2) The figure of Schreb. 260, B, is too red; in that of chet Gen. Zool. Vol. Il, 
Part II, pl. clxxxviii, the horns are too large, 
(3) Add the Ritbock (4. eleotragus).—The Ourebi (2. scoparia). It is very neces- 
sary to observe that many Antelopes, while young, have horns of this tomy feat 
forwards. 
(4) M. Lichtenstein has remarked, that as $ this Antelope with long straight horns 
is only found in the south of + ee itis not probable it is the Oryx. It is rather 
the following species. aD f "hs 
(5) The 2. leucoryx, Schr. CCLVI, B, or ‘the White dnielope of Pe: Penn. taken 
