68 BULLETIN 99, UNITED STATES NATIONAL MUSEUM. 
ALCELAPHUS COKII NAKUR (Heller). 
Plate 23. 
1910. Bubalis cokei Hottister, Smithsonian Misc. Coll., vol. 56, No. 2, p. 2. 
March 31. (Part; not of Giinther.) 
1910. Bubalis neumanni Roosevett, African Game Trails, Amer. ed., p. 475; 
London ed., p. 487. (Not of Rothschild.) 
1912. Bubalis nakure Heiter, Smithsonian Misc. Coll., vol. 60, No. 8, p. 6. 
November 2. (Nakuru, British East Africa; type in U.S. Nat. Mus.) 
1914. Bubalis cokei nakure Roosevett AND HewiEr, Life-Hist. African Game 
Anim., vol. 1, p. 394. 
Specimens.—Three, as follows: 
BritisH East Arrica: Nakuru, 3 (K. Roosevelt). 
This hartebeest inhabits the region between Lake Baringo and 
Lake Elmentaita and is separated by several hundred miles from the 
southern border of the range of the allied Alcelaphus newmanni 
(Rothschild), a member of the cokii group not represented in our 
collection. Other described forms of the cokii group of which we 
have no specimens are Alcelaphus rothschildi (Neumann),' from 
Adoshebai Valley, north of Lake Stefanie, southern Abyssinia; 
Alcelaphus cokii wemberensis (Zukowsky),? from Wembaere Plains, 
German East Africa; Alcelaphus cokii schulzi Zukowsky,? from western 
uplands of Olossirwa, about 10 km. from the northern edge of the 
Ngorongoro Basin, German East Africa; and Alcelaphus cokii oscari 
(Matschie and Zukowsky)‘ from Gurui Mountain, German Fast 
Africa. 
ALCELAPHUS LELWEL LELWEL (Heuglin). 
1877. Acronotus lelwel HeucGutn, Reise Nordost-Afrika, vol. 2, p. 124, 1 fig. (West 
side of the Nile in Jur, Bahr-el-Ghazal, Sudan; type apparently lost; 
see Rothschild, Ann. and Mag. Nat. Hist., ser. 6, vol. 20, p. 377, Octo- 
ber, 1897.) 
1908. Bubalis lelwel typica LyDEKKER, Game Anim. Africa, p. 107. 
1914. Bubalis lelwel lelwel RoosEvELT AND HeEtuER, Life-Hist. African Game 
Anim., vol. 1, p. 398; map, p. 401. 
Specimens.—Five, from localities as follows: 
Lavo: Rejaf, 1 skull (K. Roosevelt); Rhino Camp, 4 (T. Roose- 
velt, K. Roosevelt). 
1 Bubalis rothschildi Neumann, Sitz.-ber. Ges. nat. Freunde Berlin, 1905, p. 94. 
"2 Bubalis cokei wembaerensis Zukowsky, Wild und Hund, vol. 16, p. 208. March 25, 1910 (nomen nudum); 
Archiv fiir Nat., Jahrg. 79, Abt. A, Heft 10, p. 98. 1913. 
* Archiv fiir Nat., Jahrg. 80, Abt. A, Heft 9, p. 101. 1914. 
4 Bubalis oscari Matschie and Zukowsky, Sitz.-ber. Ges. nat. Freunde Berlin, 1916, pl. 6, figs. 3,4. 1916. 
