HELEOTEAGID^. 15 



Fam. 2. HELEOTRAGID^. 



Nosti'ils bald within, open. Nose bovine. Muffle large, naked, 

 moist (callous when dry). Crumen distinct or rudimentary. Horns 

 conical, annulated at the base, rarely present in the female. Face 

 tapering, crown rarely crested. False hoofs distinct. 



True Antelopes, section h, Gray, Cat. Utifful. B. M. p. 67. 

 Antilopea cervina (Cervine Antelopes), Gray. Ann. &■ Man. Nat 

 Hist. 1846, p. 324. r / . ^ j . 



Subsection I. Water-Bocks.— r««7 elonrjate, suhcompressed, with a ridge 

 of hair above and tufted at the end. Horns in male only, sublyrate, 

 strong, bent forward or recurved over hinder part of orbit, on frontal 

 ridge. Body heavy, legs slender. Crumen rudimentary, covered icith 

 a tuft of hair. 



* Head and skull short and high, without any preorbital pit,but with a large 

 intercn-bital fissure ; first molar with a supplementary lobe. 



1. KOBUS. 



Tail rather elongate, depressed, hairy on the sides. Horns only in 

 the male, elongate, sublyrate, bent back and then forward at the tip. 

 Hair rough and elongate. Neck covered with longer diverging 

 drooping hair. (Gray, Cat. Ungul. B. M. p. 99, t. 11. f. 3, 4, skuU.) 



A. Horns hjrate, ascending, slightly curved; tips straight, bent 

 rather forward. 



1 . Kobus ellipsiprynmus. (Photomok or Water-Buck.) B.M. 



Brownish ; rump with a whitish elliptical ring near the base of 

 the tail. Horns converging at the tip. 



Kobus ellipsiprTOinus, Gray, Cat. Unqul. B. M. p. 99, t. 11. f. 3 4 

 (skull) ; Heuglin, Antil. p. 16, t. 2. f. 10 (horns). 



Hah. South Africa; East Africa: Uzaramo {Speke); Sobat 

 {Heuglin). /Ly^.,,^ 



2. Kobus sing-sing. (The Sing-Sing, or Defassa.) B.M. 



Rump without any pale ring. 



Kobus sing-sing, Gray, Cat. Unqul. B. M. p. 100. 

 Sing-Sing ?, Sclater, P. Z. S. 1864, p. 102 (figure of head and foot) : 

 ^ Murie, P. Z. S. 1867, p. 3, t. 2. 

 Kobus defassa, Heuglin, Antilopen, p. 1.5. 



Hah. West Africa, Gaml)ia : called Jackass-Deer : half domesti- 

 cated. East Africa, Uganda {Speke). 



Dr. Murie describes a specimen from the '\Miite Nile ; and having 

 compared it with other specimens from other parts of Africa, he 

 believes it ranges from Senegal to Abyssinia, and southwards nearly 

 to the equator. 



