ANTILOPE. MAMMALIA. 155 



A. gnu, Gmel. Desm. The Gnu. Horns in both sexes, strong, 

 large, flattened at the base, arising from the occiput, bent for- 

 wards upon the eyes, and turning up into a pointed hook ; a ver- 

 tical mane on the neck, with a beard and dewlap ; fur brown ; 

 tail long and lined with long white hair. Length five feet and a- 

 half. Inhabits Southern Africa. Shaw, ii. pi. 196. 



Sub-Gen. 7- ORYX, Desm Horns in loth sexes, large, pointed, 

 erect, or with a slight bend posteriorly, annulated, but with a 

 ridge ; lachrymal sinuses ; tail tufted. 



A. oryx, Pall. Desm. The Caffrarian Oryx. Horns black, thin, 

 round, very long, nearly straight ; fur gray above, white below, 

 with a black dorsal line ; head whitish, with a line over each 

 eye and across the forehead of brown black ; a chestnut spot 

 on the shoulders and thighs. Five feet long. Southern Africa. 

 Schreb. t. 257- 



A. leucoryx, Desm. Pall. The White Oryx. Horns very long, 

 (three feet,) slender, horizontal, bent backwards, obliquely annu- 

 lated, tips smooth ; fur white ; black spot at the base of the horns 

 passing down the face ; a second through the eyes, towards the 

 mouth ; lower part of the thighs rufous ; short dark mane ; tuft 

 of the tail black. Size of a small horse. Arabia and Persia. 

 Shaw, ii. pi. 184. 



A. Addax, Smith. Horns upwards of two feet long, robust, black, 

 round, divergent, with two and a-half spiral turns, and 32 to 35 

 annuli extending three-fourths of the length ; no lachrymal si- 

 nus ; dark coloured mane on the neck, and a tuft of hair on the 

 throat ; head and neck grayish, the rest of the body white ; tail 

 tufted. Inhabits Nubia Griff, iv. 193. 



A. gazella, Pall. Desm. Horns black, round, slender, three feet 

 long, bent back, with thirty-six annulations, not spiral ; fore- 

 head narrow ; head long ; body clumsy j lachrymal sinuses ; bo- 

 dy and neck fulvous gray, with a reversed ridge of short white 

 hair on the neck ; head white ; a dark spot at the root of the 

 horns, passing down the face. Perhaps this, as well as the A. 

 Tao of Major Smith, is but a variety of the preceding. Interior 

 of Senegal. 



Sub-Gen. 8. EGOCERUS, Desm. Horns very large and strong, 

 pointed, simply bent back, annulated ; a half muzzle, and no sub- 

 orbitary sinus : tail pretty long. 



A. leucopha?a, Pall. Desm, The Blue Antelope. Horns slightly 

 compressed, scimitar-shaped, about twenty inches long, closely 

 annulated with from twenty to thirty rings ; ears long ; fur sil- 

 very blue gray ; short white mane turning towards the head ; 

 tail tufted at the end. Nearly six feet long. Southern Africa. 

 Shaw, ii. pi. 195. 



A. equina, Geoff. Desm. Horns very robust, about 24 inches long, 

 strongly bent back, with from 17 to 27 prominent rings ; fur 



