188 African Zoology. 



temples, cheeks, neck, iippci- arm and lower part of the thigh ; 

 more white over the shoulders, back, flanks, and croup; a 

 slight blackish mark above and beneath the ej'e, and a broad 

 white streak passing before it to the corner of the mouth ; 

 mane and tuft of tail white. 



Inhabits Nubia, interior of North Africa. 



Tao of the Ilehews and Egyptians. Dante and Lout of 

 Congo ? Leo Afric. de Bry. 



Oryx Besoasfica. (The Algazel.) This is perhaps another 

 variety. Three feet five inches liigh at the shoulder ; five feet • 

 two inches long ; horns three feet long, round, slender, bent " 

 back, with thirty-six annuli not spiral ; forehead narrow ; head 

 long; neck short ; body clumsy; legs slender; lachrymary 

 sinus beneath the eye : reversed ridge of short white hair on 

 the neck ; head white ; dark spot at the root of the horns pass- 

 ing down the face, another less distinct through the eyes ; body 

 and neck fulvous-grey. 



Inhabits the interior of Senegal. 



A. Algasel, Fred. Cuvicr, A. Besoartria, Licht. Pallas. 

 A. Elcotragus, Schreber ? Lichtenst ? 



OryxAddax,'H.Sm\ih. (TheAddax.) Three feet seven inches 

 high at the shoulders ; three feet eight inches at the croup ; 

 horns robust, black, round, divergent, with two and a half 

 spiral turns, thirty-two to thirty-five annuli ; some dichotomous, 

 extending three-fourths of the length ; two feet four inches 

 long ; no lachrymary sinus ; eyes large, dark ; dark-coloured 

 mane on the neck ; tuft of long dark hair on the throat; head 

 thick ; forehead flat, covered with dark hairs, and surrounded 

 by a narrow white line passing downwards bcfoic the eyes ; 

 nose ovine ; chaffron, cheeks, and reck, liver coloured grey, 

 diluting on the shoulders, and the rest of the body milk-white ; 

 hoofs flat, broad, round, and black ; tail and tuft white ; female 

 two mammrc ; horns equally large. This species passes from 

 the Orygine Sub-genus to the Damaline sub-genus Strepsiceros. 



Inhabits Nubia. 



Strepsiceros and Addax of Pliny and Caius in Gesner. 

 A. Addax, Greetzmer. El Bucher Abiad, of Denham and 

 Clapperton. 



Sub-genus Gazella. — Horns common to both sexes, placed 

 nearer the orbits, more vertical, bending back, and the -points 

 forward, and also turned outwards, and agairf inwards, con- 

 stituting a /yrateform; they are black, annuluted and striated. 

 These animals have small lachrymary sinus, inguinal pores, 

 ovine nose ; mostly infts on the knees, and dark-coloured bands 



