_Adult male._ Height at the withers about 40 inches. Prevailing colour in the body, head, and neck deep yellowish grey, blackish on the muzzle, cheek, inter-ramal area, and belly; upper lip and chin white, one or two white spots on the cheeks and a strongly defined v-shaped mark at the base of the muzzle between the eyes; ears whitish at the base and round the rim in front. Throat with a conspicuous white patch at its base and fore extremity. A narrow black stripe running along the nape of the neck from the occiput to the withers; a white stripe passing along back from the withers to the root of the tail. Sides of the body and hind-quarters marked with from 11–14, sometimes confluent, white stripes, the first of these crossing the shoulder, the last very short and close to the root of the tail. Tail white beneath, black at the tip. Fore leg grey at the base, the rest of the limb a rich fawn-colour from above the knee to the hoofs, with a large white patch on the inner side at the base, white behind the knee, a black patch just above the knee on the inner side; cannon-bone blackish behind; pasterns black behind, marked with two, sometimes confluent, white spots in front. Hind leg on the inner side and front of the thighs down to the hock white, from the hock downwards bright fawn; front of the pastern and inner side of the fetlock white. A scanty but longish mane on the nape of the neck and withers, and a short but thick crest of hair running along the back. Hair on the sides of the neck and the throat very short, shorter than on the shoulders. Horns of the male less divergent and with the spiral curvature much closer and less open than in _S. capensis_, the ridge forming a nearly straight axial line; length in a straight line about two feet, round the curve about two feet six inches. The skull of an adult male gives the following measurements:—Basal length 11·75 inches, orbit to muzzle 6·75, greatest width 4·20. _Female._ Like the male, but without horns, and smaller and slighter in build; without a mane on the neck; white marks on the head and throat less pronounced; head more uniformly fawn, and body of a rich reddish fawn only tinged with grey; neck duller than the body. _Young male._ Like the female, but assuming the grey coat of the adult before it reaches its full size. _Hab._ Somaliland and the maritime district of British East Africa.