Besides the specimens of this Gazelle in the British Museum which we have already referred to, there is a mounted male from the Anseba River, formerly in Sir Victor Brooke’s collection, and presented to the Museum by Sir Douglas Brooke. We believe that our coloured figure (Plate LXIV.), which was prepared by Mr. Smit under Sir Victor’s superintendence, was taken from this specimen. _May,_ 1898. [Illustration: Fig. 69. Fig. 69_a_. Heads of Isabella Gazelle, ♂ & ♀. (From specimens in B. M.)] [Illustration: THE BOOK OF ANTELOPES, PL. LXV _Wolf del. J. Smit lith._ _Hanhart imp_ The Muscat Gazelle. GAZELLA MUSCATENSIS. _Published by R. H. Porter._] 95. THE MUSCAT GAZELLE. GAZELLA MUSCATENSIS, BROOKE. [PLATE LXV.] _Gazella muscatensis_, =Brooke=, P. Z. S. 1874, p. 141, pl. xxii.; =Scl.= List An. Z. S. (8) p. 141 (1883); =id.= (9) p. 155 (1896); =Lyd.= Horns and Hoofs, p. 179 (1893); =Thos.= P. Z. S. 1894, p. 451. Size small, height at withers 21–22 inches. General colour dark rufous fawn, darker than in any other species except _G. arabica_, which it much resembles in colour. Light lateral band scarcely or not perceptible; dark lateral band blackish, its upper edge little defined. Central facial band dark rufous, a distinct blackish patch over the nasals; light facial streak narrow, well defined, dark band below it not defined from the general colour of the cheeks. Knee-tufts present, brownish. Limbs darker in colour than usual, being only white on the inner sides of the forearms and thighs. Skull very similar to that of _G. isabella_. Premaxillæ scarcely touching nasals. Basal length in an old female 5·7 inches, greatest breadth 2·9, muzzle to orbit 3·6. Horns of males curved like those of _G. isabella_, but decidedly shorter, not or little longer than the skull. _Female._ Similar to the male, but the horns slender, scarcely ringed, nearly as long as those of the other sex. _Hab._ Oman, Eastern Arabia.