80 
Oryx naso-maculatus, Gray, List Mamm. B. M. p. 156 (1848). 
Addax naso-maculatus, Gray, Ann. Mag. Nat. Hist. (1) xviii. p. 232 (1846) ; id. List 
Ost. B. M. p. 58 (1847) ; id. P. Z.S. 1850, p. 1355; id. Knowsl. Men. p. 17 (1850) ; 
id. Cat. Ung. B. M. p. 108 (1852); Tristram, Sahara, p. 387 (1860) ; Gerrard, 
Cat. Bones Mamm. B. M. p. 240 (1862) ; Heugl. Ant. u. Biff. N.O.-Afr. (N. Act. 
Leop. xxx. pt. 2) p. 18 (1863); Fitz. SB. Wien, lix. pt. 1, p. 178 (1869); Gray, 
Cat. Rum. B. M. p. 386 (1872); id. Hand-]. Rum. B. M. p. 104 (1878) ; 
Heugl. N.O.-Afr. uu. p. 113 (1877); Garrod, P. Z.S. 1877, p. 4; Brehm, Thierl. 
iii. p. 285 (1880) ; Scl. List Anim. Z. 8. (8) p. 189 (1883), (9) p. 154 (1896) ; 
Flow. & Lyd. Mamm. p. 345 (1891); Ward, Horn Meas. (1) p. 150 (1892), (2) 
p- 191 (1896) ; Lyd. Horns and Hoofs, p. 249 (1893) ; Pease, P. Z. S. 1896, p. 810 
(habits and distribution) ; Scl. P. Z.S. 1896, p. 984; Pousargues, Ann. Sci. Nat. 
(7) iv. p. 181 (1896) ; Johnston, P. Z.S. 1898, p. 352 (Tunisia) ; Trouessart, Cat. 
Mamm. fase. v. p. 955 (1898). 
Addaz addaz, Sent. Cat. Ost. Leyd. Mus. (Mus. Pays-Bas, ix.) p. 186 (1887) ; id. Cat. 
Mamm. Leyd. Mus. (Mus. Pays-Bas, xi.) p. 167 (1892). 
VernacuLtar Names :—Abu-akasch of Arabs of Senaar and Kordofan (Hempr. & 
Ehrb.). Anjidohl in Dinka and Djur; Auel in Bongo (Schweinfurth). Akash 
of Arabs on Upper Nile (Heuglin) ; Bakra el onash of Arabs of Tunisia 
(Whitaker) ; Tamita of Touaregs in S, Algeria (Pease). 
Height at withers about 38 inches. Colour of head, neck, and body in 
winter a tolerably uniform brownish grey; in summer the hairy covering of 
the body between the neck and hind-quarters assumes a richer and redder 
hue, the head and neck remaining the same throughout the year. Mane on 
forehead nearly black, and back of head behind horns darkish brown ; lips and 
chin white; a broad white stripe on each side of the face extending from near 
the middle of the cheek upwards in front of and above the eye, and usually 
meeting its fellow of the opposite side across the upper portion of the nose, 
though sometimes the union is interrupted in the middle by the black hairs 
of the frontal mane. ars mostly white, sometimes blackish at the base; an 
ill-defined whitish patch sometimes present behind the eye and a black patch 
on the lower edge of the cheek close to the neck. Fore legs white, with 
the exception of a brown patch on the knee, a brown rim round the false 
hoofs, and a tinge of brown which extends downwards on to their upper 
portions from the shoulder; a black patch sometimes present between the 
shouldér and the throat ; the dark colour of the back and flanks spreads for 
