Zoological Society. 217 



There is a male and female iu the Frankfort Museum ; they are 

 smaller than A. Gazella of the Cape, and both have the face-streaks 

 separate : there is a black streak on the throat, as in ^. Gazella, but 

 no bunch, nor is there any in the Frankfort specimen of A. Gazella : 

 the mane of the nape of the male is small, indistinct, continued behind 

 in a broader dark streak to the middle of the loins. In the male the 

 mane is blackish, in the female Uke the back. They have no dark 

 mark on the rump, found in A. Gazella. 



** Horns arched, recurced. 



3. Oryx leucorvx. The Oryx. 



Horns slender, sUghtly arched : white, reddish varied ; in winter 

 greyish. 



Antilope leucoryx, Pallas ; Ehrenb. S. P. t. 3 ; Licht. Saugth. t. 1 . 

 — A. ensicornis, Ehrenb. — A. Algazella, Rupp. t. . — A. Gazella, 

 Pallas. — A. bezoartica, Erxl. ; H. Smith. — Algazelle, F. Cuv. Mam. 

 Lith. t. . — A. Eleotragvs, Schreb. t. . (not descrip.) — Oryx 

 leucoryx. Gray, BLnows. Meuag. 17. t. 16. f. 1, young ; t. 17, adult. 



Inhabits N. and W.Africa; Nubia; Sennaar; Senegal. Brit. Mus. 



I have compared the Nubian and Senegal specimens, and cannot 

 discover any diflFerence between them. 



D. Throat slightly maned, neck simple. 

 22. Addax ; Oryx, part Blainv. and others ; Gazella, part H. Smith. 

 Horns slender, elongate, ringed, slightly spirally twisted, nearly on 

 a line with the face ; neck with a slight gular, but no nuchal mane ; 

 nose ovine, bain*- ; hoofs semicircular, edged ; tear-bag marked by a 

 tuft of hair ; forehead longly hairy. 



1. Addax nasomaculattjs. The Addax. 



"White ; forehead and front of face darker ; grey in winter. 



Antilope nasomaculatus, Blainv. Bull. Soc. Phil. 1816, 7S ; H. 

 Smith. — A. Addax, Licht. Saugth. t. 2 ; Rupp. Atlas, t. 7 ; Mam. 

 Lith. t. . — A. suturosa. Otto, N. A. Nat. Cur. xii. t. 48 ; GriflSth, 

 A. K. t. 180. — A. gibbosa, Savi. — A. Tao, H. Smith. — A. Mytilopes, 

 H. Smith, G. A. K. t. 182, 183. f. 6.—Strepmceros, Q^^xxs.— Addax, 

 F. Cuvier, Mam. Lith. t. . (winter and summer) ; Ehrenberg^ S. 

 Phys. t. 4, male and female. — Capra Cervicapra, Lanu. S. N. ed. 10. 

 — Ant. Cervicapra, Children, DenhamTrav. — Addax nasomaculatus. 

 Gray, Knows. Men. 17. t. 18. 



Inhabits N. Africa. Brit. Mus. 



3. The GoAT-LiKE Antelopes have a very short flat tail, hairy 

 above. They have heavy bodies, covered with rough, rigid or woolly 

 fiir, strong legs, large hoofs and false hoofs. The horns are conical 

 and recurved. 



* Nose cervine, muffle moderate ; horns short, inclined, recurved. 

 23. Capricorn IS, Ogilby ; Xemorhedus, part H. Smith. 

 Horns short, strong, conical, ringed, inchned and recurved, arising 

 behind the orbits ; nose cervine, muffle moderate, bald ; tear-bag and 



