358 APPENDIX. 



shoulder, and about tliirty-six in length. Head very broad and 

 short. Snout obtusely pomted. Horns about three and a half 

 inches long ; smooth, round^ slender^ and vertical, or slightly in- 

 clining forwards. Ears round, open, and broad. Colour deep 

 chocolate red, intermixed with numerous single white hairs ; 

 beneath rufous. A black horse-shoe on the forehead. Detached 

 suborbital sinus, and small muzzle. 



Female similar, but hornless. Mammae two. 



Monogamous or solitary. Common in the Colony, among the 

 wooded tracts along the sea-coast. 



40. Cephalopus Mergens.^ The Duiker. Dui'ker-bok of the 

 Cape Colonists. Impoon of the Matahili. 



Adult male about two feet high at the shoulder, and three feet 

 eight inches in extreme length. Limbs solid. Horns four inches 

 long, approximated, somewhat reclining, bending outwards, with 

 a longitudinal ridge on the front traversing four or five annuli on 

 the middle, but not traversing the wrinkles of the base. Fore- 

 head covered with a patch of long bright fulvous hair. A dark 

 streak on the chaffron. Three dark striae inside each ear. A dark 

 streak down the front of the legs, terminating in a black fetlock, 

 as if booted. Colour various ; usually cinereous olive above, and 

 white beneath. Tail eight inches long, black, tipped with white. 

 Spurious hoofs scarcely developed. A long suborbital slit down 

 the side of the face, and a small naked muzzle. 



Female similar, with very small horns, completely concealed by 

 long rufous hair. Mammae four. 



Solitary or Monogamous. Common in the Colony, especially 

 along the coast, among bushes. 



41. Cephalopus Coerula. The slate -coloured Antelope. Blauw- 

 bok and Kleenebok of the Cape Colonists. 



Adult male about fifteen inches high, and twenty-eight inches 



* Cephalopus Burchellii would appear to be a variety only of this species, of 

 which no two specimens are exactly alike. 



