TRAGELAPHIN^ 219 



vol. xiv, p. 325, 1907, Oame Animals of Africa, p. 314, 1908 ; 



Ward, Becords of Big Game, ed. 6, p. 836, 1910, ed. 7, p. 834, 



1914. 

 Taurotragus derbianus, Rothschild, Novit. Zool. vol. xii, pi. xii, 1905, 

 Oreas gigas, Matschie, Sitzber. Ges. nat. Freunde, 1913, p. 255. 



Typical locality west side of the White Nile, Bahr-el- 

 Ghazal, in about 7° N. lat. 



Type apparently in Senckenberg Museum, Frankfort-am- 

 Main. 



General colour paler than in typical race ; about ten 

 vertical white stripes. In fine horns the length, in a straight 

 Hue, ranges from 35 to 41 inches, with a basal girth of from 

 12j to 14, and a tip-to-tip interval of from 19^ to 33 inches. 



9. 10. 12. 1. SkuU, with horns. Bahr-el-Ghazal. 



Purchased, 1909. 



9. 7. 12. 1. Skull, with horns, and skin, female. Twenty- 

 five miles west of Eumbek, Bahr-el-Ghazal. 



Presented by Capt. IT. B. Headlam, 1907. 



10. 3. 28. 1. Head, mounted, and body-skin, female. 

 Bahr-el-Ghazal. Presented ly Prince Paul Demidoff, 1910. 



C— TauFotrag-us derbianus congolanus. 



Oreas derbii, Johnston, Biver Congo, p. 391, 1884 (?), nee Oreas 



derbianus. Gray. 

 Taurotragus derbianus congolanus, 'Rothschild, Ann. Mag. Nat. Hist. 



ser. 8, vol. xii, p. 575, 1913. 



Typical locality Eastern Congo. 



Type in Tring Museum. 



Horns longer and comparatively more slender than in 

 either of the precediug races, with the spiral starting more 

 on front of forehead, and the anterior keel passing only once 

 round back of horn; distance between base of horn and 

 second frontal point of the twist greater than in other races, 

 and the interval between horns narrower than in gigas but 

 wider than in derbianus. Hair of forehead and between 

 horn-bases blackish chestnut, instead of the bright reddish 

 fulvous of the other races. 



No specimen in collection. 



