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 Ammodorcas is closely allied to the Gazelles, but differs from them in having an elongated neck and also a long tail. A. clarkei, the only species, is limited to Somaliland.

Lithocranius, not unlike the last, has a still longer neck, which makes it almost Giraffe-like; its tail, however, is short. The scientific name is derived from the "solid stony character of the cranium." In running, this Gazelle carries the head forward in a straight line with the body. It is African.

Dorcotragus with one species, D. megalotis, is a pigmy Gazelle restricted to Somaliland. Its likeness, on account of size and in some other superficial features, to the Klipspringer, led to its original confusion with that genus (Oreotragus).



A sub-family Hippotraginae, or Hippotragine section, includes a number of Antelopes which agree in the possession of four mammae, and of molars more like those of the true Oxen, of