151 
Cae Sit A GAZELLE. 
GAZELLA ISABELLA, Gray. 
[PLATE LXIV.] 
Antilope dorcas, Licht. Darst. Siug. pl. v. (1827) ? 
Gazella dorcas, Blauf. Zool. Abyss. p. 261, pl. i. fig. 1 (1870). 
Gazella isabella, Gray, Ann. Mag. N. H. (1) xviii. pp. 214 & 231 (1846) ; id. Knowsl. 
Men. p. 4 (1850) ; id. P. Z.S. 1850, p. 113; id. Cat. Ung. B. M. p. 57 (1852) ; 
Gerr. Cat. Bones Mamm. B. M. p. 233 (1862) ; Fitz. & Heugl. SB. Wien, liv. 
pt. 1, p. 591 (1866) ; Fitz. SB. Wien, lix. pt. 1, p. 158 (1869) ; Gray, Cat. Rum. 
B. M. p. 88 (1872) ; id. Hand-l. Rum. B. M. p. 107 (1873) ; Brooke, P.Z.S. 
1873, p. 589; Huet, Bull. Soc. Acclim. 1887, p. 65; W. Scl. Cat. Mamm. 
Calc. Mus. i. p. 157 (1891) ; Ward, Horn Meas. (1) p. 116 (1892), (2) p. 158 
(1896). 
Antilope isidis, Sund. Pecora, K. Vet.-Ak. Handl. 1845, p. 267 (1847) ; id. Horn 
schuch’s Transl., Arch. Skand. Beitr. i. p. 263; Reprint, p. 83 (1848). 
Height at withers about 25 inches. General colour pale fawn, rather 
variable in tone, sometimes tending towards brownish. Light lateral band 
very indistinct ; dark band generally fawn like the back, occasionally darker, 
almost smoky brown. Central dark facial band deep rufous, a darker nasal 
patch often developing in old individuals. Light facial streak well defined, 
white. Pygal band almost obsolete, little or not darker than the back. 
Skull rather variable in the shapes of the nasal bones and premaxille. 
That of a male measures 6°55 inches in basal length, greatest breadth 3:1, 
muzzle to orbit 3°65. 
Horns of male, as well figured by Blanford under the name of G. dorcas, 
evenly diverging and curving backwards for four-fifths their length, their 
tips strongly bent inwards and upwards nearly or quite to a right angle. 
x2 
