64 CATALOGUE OF UNGULATES 



Sylvicapra sylvicultrix, Sundevall, K, Svenska Vet.-Ak. Handl. 1844, 



p. 190, 1846. 

 Cephalophus punctulatus, Gray, Knowsley Menagerie, pi. viii, fig. 1, 



1850. 

 Cephalophus longiceps, Gray, Proc. Zool. Soc. 1865, p. 204 ; Bocage, 



J. Sci. Lish. vol. ii, p. 220, 1869. 

 Terpone longiceps. Gray, Proc. Zool. Soc. 1871, p. 502, Cat. Rumi- 

 nants Brit. Mus. p. 24, 1872, Hand-List Ruminants Brit. Mus. 



p. 93, 1873. 

 Cephalophus melanoprymnus, Gray, Proc. Zool. Soc. 1871, p. 594» 



pi. xliv. 

 Potamotragus melanoprymnus, Gray, Cat. Ruminants Brit. Mus. 



p. 25, 1872, Hand-List Ruminants Brit. Mus. p. 94, 1873. 

 Cephalophus ruficrista, Bocage, Proc. Zool. Soc. 1878, p. 744. 

 Cephalophus sylvicultor, Thomas, Proc. Zool. Soc. 1892, p. 416, 1902, 



vol. i, p. 1 ; Ward, Records of Big Ga7ne, p. 77, 1892, ed. 6, 



p. 167, 1910; LydeJcJcer, Horns and Hoofs, p. 213, 1893, Great 



and Small Game of Africa, p. 215, 1899, Game Animals of 



Africa, p. 144, 1908 ; Jefitinh, Notes Leyden Mus. vol. xxii, 



p. 187, 1901 ; Alexander, Fro^n Niger to Nile, vol. ii, p. 391, 



1907. 

 Cephalophus thomasi, Jentinh, Notes Leyden Mus, vol. xxii, p. 187, 



1901 ; a provisional name for Congo form. 

 Cephalophus sclateri, JentinJc, op. cit. 1901 ; a provisional name for a 



skull with curved horns. 

 Cephalophus coxi, Jentink, Notes Leyden Mus. vol. xxviii, p. 117, 



1906 ; LydekJcer, Game Animals of Africa, p. 146, 1908. 

 Cephalophus ituriensis, M. Rothschild and Neuville, C. R. Ac. Sci. 



Paris, vol. cxliv, p. 98, 1907 ; LydeJcJcer, Game Anitjials of Africa, 



p. 147, 1908. 

 Cephalophus sylvicultor coxi, Ward, Records of Big Game, ed. 6, 



p. 167, 1910. 



Yellow-backed Duiker. 



The type species ; also type of Terpone and Potamotragus. 



Typical locality Sierra Leone. 



Size largest of the group ; slioulder-height 34 inches ; 

 length of ear 4, of hind-foot 13 J inches. Form stout and 

 heavy ; ears short, broad, and rounded, their length much 

 inferior to distance between eye and muzzle ; coat very short 

 on fore-quarters, longer on loins, but in adult worn away so 

 as to expose whitish under-fur or skin ; general colour dark 

 blackish brown ; crest, which is fully developed only in sub- 

 adult individuals, orange or rufous ; muzzle, cheeks, chin, and 

 ear-tips whitish ; a broad triangular pale yellowish area on 

 loins, extending forwards to middle of back; in young 

 animals the hairs of this yellow area tipped with black, while 

 those of rest of body have white tips. Horns, of which good 



