SYNOPSIS OF THE 



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

 of the horns passing down the face, another less distinct 

 through the eyes ; body and neck fulvous-gray. 



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

 A. Eleotragus, Schreber? Lichtenst? 



Icon. Fred. Cuvier, An. Lithog. Nobis. Specimen, Paris 

 Mus. 



Habitat, interior of Senegal. Seen by Major Denham 

 south of the river Shary ? 



Oryges passing into other Sub-genera. 



818. 11. A. Addax, Nob. (the Addax.) Three feet 

 seven inches high at the shoulders; three feeteight 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 before the eyes ; nose ovine ; chaffron, cheeks, 

 and neck, liver-coloured gray, diluting on the shoulders, and 

 the rest of the body milk-white ; hoofs flat, broad, round, 

 and black ; tail and tuft white ; female two mammse ; 

 horns equally large. This species passes from the Orygine 

 Sub-genus to the Damaline sub-genus Strepsiceros. 



Streps iceros and Addax of Pliny and Caius in Ges- 

 ner. A. Addax, Grcztzmer. El Bucher Abiad, of Den- 

 ham and Clapperton. 



Icon. Nobis. Male and female specimens, Frankfort 

 Museum, head in Gesner. 



Habitat. Nubia. 



819. 12. * A Kemas ? (the Chiru.) Total length, five 

 feet eight inches. About three feet high at the shoulders ; 



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