4. CEPHALOPHUS. 27 



Cephalophus rufilatus, Gray, Cat. TJngul. B. M. p. 85 ; P. Z. S. 1871, 

 p. 597 (tig. 5, skull). 



Hah. West Africa : Sierra Leone and Gambia. 



J^ 5. Cephalophus dorsalis. (The Bay Bush-Goat.) B.M. 



Horns very short. Dark bay, with a broad, indistinctly defined, 

 dorsal saddle. 



Cephalophus dorsalis, Gray, Cat. Ungtil. B. 31. p. 84 ; Temminck, 

 Esquis. ; Sclater, P. Z. S. 1869, t. 46. 



Hab. West Africa : Sierra Leone; Ash.a.ntee (Temmincl-) ; Gold 

 Coast {Mosse). Evidently a large species. 



^ 6. Cephalophus niger. (The Black Bush-Buck.) B.M. 



Horns short, decumbent. Sooty black, greyer in front half of body ; 

 chin and beneath grey. 



Cephalophus niger, Gray, Cat. Ungul. B. M. p. 84; P. Z. S. 1871, 

 p. 597. 



Hab. West Africa : Guinea. 



V, &7. Cephalophus natalensis.^ - ' • ht^H^J B.M. 



(The Natal Bush-Buck, or Rhoode Bock.) 



Horns short, conical, decumbent, bent back, strongly angulated 

 at the base. Bright red bay. 



Cephalophus natalensis, Gray, Cat. Ungul. B. M. p. 85, t. 10. f. 1 



(skull). 



Hah. South Africa, Natal. Skull in B. M. 



i£^ 8. Cephalophus nigrifrons. (Black-fronted Bock.) B.M. 



Head, neck, and body, above and below, covered with long, rigid, 

 bright bay hairs ; nose, forehead, and crown between the horns 

 with rigid black hairs, and a few black haii's interspersed on the 

 nape and shoulders ; outside of fore legs blackish. Hoofs narrow, 

 rather elongate. 



Cephalophus nigrifrous, Gray, P. Z. S. 1871, p. 598, f. 6 (skull), pi. 46 

 (animal) . 



Hab. Gaboon. 



Like C. ha(Uu.'i, but has no dorsal streak. Differs from C. na- 

 talensis in the black forehead and tail, and dark fore legs, and the hair 

 is much more rigid. 



Skull : — length 7 inches, height at occiput 2|, width at back of 

 orbit 2| ; nasal bones very sharp in front and broad behind ; cheek- 

 cavities very large and deep, and separated from the orbit by a very 

 slender septum. 



