156 MAMMALIA. 



b. Skeleton $ nr. Massowa, Abyssi- W. T. Blanford. 

 nia, 8-68. 



c. Skin, $ Zoological Gardens, 1883. 



skeleton. 



d. Skin, $ juv. Zoological Gardens, 1878. 



skeleton. 



Oryx beatfix. 



Oryx beatrix, Gray P.Z. S., p. 158, pi. Iv (1857) ; P. L. Sclater P. Z. S., 

 1872, p. 603 ; id. P. Z. S., 1878, p. 789. 



Distrihuiion. — Arabia, one specimen was got from near Mecca, 

 the other from Bushire. 



A skull identified by Blyth as O. leucoryx seems to be rather 

 referable to O. beatrix than to O. beisa ; the horns are quite 

 straight, so that it is certainly not O. leucoryx. 



a. Skull A. S. B, 



Oryx leucoryx. 



Antilope leucoryx, Pallas Spic. Zool., xii, p. 17 (1777). 

 Antilope (Oryx) leucoryx, Blainville Bull. Soc. Philom,, p. 75 (1816)*. 

 Oryx leucoryx, Ogilby P. Z. S., p. 139 (1836); Gray Cat. Mamm. B. M., 

 iii, p. 107. 



White Oryx. 



Distribution.— North and West Africa, Nubia, Senaar and Sene- 

 gal. 



o. Skeleton $ W. Rutledge, 1881. 



h. Skull and $ W. Rutledge, 1889. 



horns. 



, Genus HIPPOTRAGUS. 



Egoceros, Desmarest Mamm., p. 475 (1822). 



Aigocerus, H. Smith, Griffith An. Kingd., v, p. 324 (1827). 



Hippotragus, Sundeiiall Kongl. Vetens. Akad. Handl , p. 196 (1844)" 



Hippotragus equinus. 



Antilope equina, Is. Geoff. St, Hit. N. Diet. Hist. Nat., ii, p. 204 (1816). 

 Antilope (Aigocerus) equina, H. Smith, Griffith An. kingd., y, p.. 324 



(1827) ; Harris Wild Game S. Africa, pi. xviii ; A. Smith Zool. S. Africa, 



pi. xxvii ; Blyth Cat., p. 169. 

 Hippotragus equinus, Sundevall Kongl. Vetens. Akad. Handl., p. 196 



(1844) * ; Kohl. Ann. K. K. Nat. Hofmus, i, p.' 85. 

 Hippotragus leucophaeus, apud SelousP.Z. S., p. 755 (1881). 



The Equine Antelope. 



Distribution — Throughout Central and South Africa; it has 

 also been got from West Africa, but is replaced in Central Africa 



