132 BULLETIN 99, UNITED STATES NATIONAL MUSEUM, 
variation in the amount of blackish on the head, neck, limbs, and 
underparts. The adult female skin lacks almost entirely the blackish 
underparts of the male. 
Genus TAUROTRAGUS Wagner. 
1822. Oreas DesMAREST, Mamm., vol. 2, p. 471. (T. oryx; not of Hubner, 1806.) 
1855. Taurotragus WAGNER, Suppl. Schreber’s Saug., vol. 5, p. 438. (7. ory.) 
1891. Doratoceros LypEKKER, Field, London, vol. 78, p.130. July 25. (T. oryz.) 
1894. Orias LyDEKKER, Royal Nat. Hist., vol. 2, p. 267. (pro Oreas.) 
The eland is well represented in the collections from British Hast 
Africa, and specimens of the giant eland were secured by the Smith- 
sonian African Expedition in Lado. 
TAUROTRAGUS ORYX PATTERSONIANUS Lydekker. 
1906. 7 aurotragus] oryx pattersonianus LyDEKKER, Field, London, vol. 108, p. 
579. September 29. (Laikipia Plateau, British East Africa; type in 
British Museum.') 
1910. Taurotragus oryx pattersonianus HoxuistER, Smithsonian Misc. Coll., vol. 
56, No. 2, p. 10. March 31. 
1910. Taurotragus oryx livingstonit Roosnve tt, African Game Trails, Amer. ed., 
p. 475; London ed., p. 486. (Not of Sclater.) 
1914. Taurotragus oryx pattersonianus Roosrvett AND Hever, Life-Hist, 
African Game Anim., vol. 2, p. 467. 
Specimens.—Fourteen, from localities as follows: 
British East Arrica: Guas Ngishu Plateau, 1 (White); Kilima 
Kui, Kapiti Plains, 1 (T. Roosevelt); Laikipia Plateau, 2, including 
one odd skull (T. Roosevelt) ; Lime Springs, Sotik, 1 (Rainey); Loita 
Plains, Sotik, 2 odd skulls (Rainey, Johnston); Nairobi, 1 (Tarlton) ; 
Northern Guaso Nyiro, 2, including one odd skull (K. Roosevelt, 
Heller); Southern Guaso Nyiro, 4 (T. Roosevelt, K. Roosevelt, 
Heller). 
TAUROTRAGUS GIGAS (Heuglin). 
1863. Boselaphus gigas Heucin, Noy. Act. Acad. Caes. Leop., vol. 30, art. 2, 
p. 19. (West of the upper White Nile, 7° north, Bahr-el-Ghazal, Sudan; 
type in Stuttgart Museum.) 
1910. Taurotragus gigas Roosevett, African Game Trails, Amer. ed., p. 4755 
London ed., p. 486. 
1914. Taurotragus derbianus gigas RoosrveLT AND HewiEr, Life-Hist. African 
Game Anim., vol. 2, p. 459. 
Specimens.—Three, as follows: 
Lavo: Twenty-five miles west of Rejaf, 3, including one odd skull 
(K. Roosevelt, T. Roosevelt). 
1 Erroneously stated in original description that the type-specimen came from Portuguese East Africa; 
see Lydekker, Novit. Zool., 1907, p. 324. 
2 Schwarz, Zweiten Deutschen Central-Afrika-Exped. 1910-11, vol. 1, p. 10238. June, 1920. 
