Genus I. CEPHALOPHUS. 
Type. 
Cephalophus, H. Sm. Griff. An. K. v. p. 344 (1827) C. sYLVICULTRIX. 
Cephalolophus (emend.), Wagner, Giebel, and others C. sYLVICULTRIX. 
Sylvicapra, Ogilb. P. Z. 8. 1836, p. 188 . C. GRIMMI. 
Grimmia, Laurill. Dict. Univ. d’H. N. i. p. 623 (1839) C. RUFILATUS. 
Cephalophorus, Gray, List Mamm. B. M. p. 162 (1843) C. GRIMMI. 
Guevei, Gray, Cat. Ung. B. M. p. 86 (1853) . C. MAXWELL. 
Terpone, Gray, P. Z. S. 1871, p. 592 P C. sYLVICULTRIX. 
Potamotragus, Gray, Cat. Rum. B. M. p. 24 (1872) C. sYLVICULTRIX. 
Size medium or small; build generally thick and clumsy; naked muzzle 
large; anteorbital glands opening into a row of pores, which form a long 
naked line on each side of the muzzle; crown of head tufted, so that the 
horns are often quite hidden in the hairs; tail short or medium, not heavily 
tufted; mamme four; lateral hoofs well developed. 
Skull with large lachrymal fossz, but no fissure at the base of the nasals, 
and no large pits above or beneath the eyes; auditory bulle divided by a 
septum ; upper molar teeth short and broad; in the larger species with an 
additional column on the inner side. 
Horns two, generally present in both sexes, short and spike-like, placed 
very far back on the head, on the ends of the posteriorly extended frontals ; 
directed straight backwards nearly in the line of the profile, not twisted or 
curved ; their bases often roughened or angulated. 
Distribution. Africa south of the Sahara. 
This genus, although large, and with species ranging in size from that 
of a small donkey down to that of a hare, is yet a very uniform and 
natural one, and shows remarkably little diversity among its members in 
essential characters. To sportsmen in general the majority of the species 
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