15 
Subspecies d. H. £. GAMBIANUS. 
Aegoceros leucopheus, var. ?, “ Docot” or Whitemouth of Mandingoes, Gray, Cat. Ung. 
B. M. p. 103 (1852), whence 
Aegoceros koba, Gray, Cat. Rum. B. M. p. 35 (1872); id. Hand-l. Rum. B. M. p. 103 
(1873). 
Hippotragus koba, Ward, Horn Meas. (1) p. 142 (1892); Matsch. Mittheil. deutsch. 
Schutz-gebiet, vi. p. 17 (1893) ; Pousargues, Ann. Sci. Nat. (7) iv. p. 181 (1896) ; 
Trouess. Cat. Mamm. fase. iv. p. 951 (1898). 
Hippotragus equinus, Scl. P. Z.S. 1896, p. 983, 1898, p. 350 (Gambia) (Llewelyn). 
VernacutarR Names:—Roan Antelope of English; Bastard Gemsbok and Bastard 
Eland of Dutch; Qualata of Northern Bechuanas; Tai-hait-sa of Southern 
Bechuanas ; He-taku of Matabilis; He-pala-pala chena (White Sable Antelope) 
of the Makalakas ; Impengo eetuba of Masubias ; Oo-ka-mooh-wee of Makubas ; 
Kwar ot Masaras (Selous) ; Takayezi of Transvaal Zulus (Rendall) ; Palance in 
Angola (Bocage) ; Kolongo of Kinyamwesi in E. Africa (Bohm fide Matschie) ; 
Abu Maaref of Upper Nile Arabs (Heuglin & Baker). Anomm in Dinka; Ommar 
in Djur; Manja in Bongo; Bisso in Niam-Niam; Wunnunguh in Golo; Omahr 
in Bellanda; Dahngah in Ssehre (Schweinfurth). 
Size very large, an adult male standing 56 inches high at the withers. 
General colour greyish, browner in the two northern subspecies. Top and 
sides of face black, contrasting markedly with the white muzzle and lips 
and with a prominent patch just in front of the eyes. On the lower half of 
this patch the hairs are elongated into a brush. Behind the eyes a second 
less conspicuous white patch is present. The black, however, is only deve- 
loped in the adult, young specimens having the face nearly uniform with the 
body. Ears very long, narrow, pointed, their tips pencilled with black. 
Mane well developed, brown, directed backward, except just on the withers, 
where there is a tendency for it to be whorled. Throat-mane long and pro- 
minent. Belly white, its definition laterally rather variable. Limbs brownish 
fawn, black patches occasionally present on the outer sides of the shoulders 
and forearms. Tail reaching to the hocks, its brush black. 
Skull-dimensions of an adult male (of subspecies H. e. baker?) :—Basal 
length 16 inches, greatest breadth 6°75, muzzle to orbit 10:3. 
Horns stout and strong, cylindrical, heavily ridged, evenly divergent, 
curved backward; comparatively short for the size of the animal, good 
