APPENDIX. 387 



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 fulvou.s hair. A dark, 

 streak on the chaffron. Three dark stris on each ear inside. 

 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 sub- 

 orbital slit down the side of the face, and a small naked muzzle. 



Female similar, with very small horns, completely concealed 

 by long rufous hair. Mammse four. 



Solitary or Monogamous. Common in the Colony, especially 

 along the coast, among bushes. 



41. Ce;)/irt/opMs Ccrz/Za. The Slate-coloured Antelope. Blauw- 

 bok and Kleenebok of the Cape Colonists. 



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

 long. Head very long and pointed, with a spacious muzzle, 

 resembling a rat's both in shape and expression. A bare spot 

 round the eyes. Ears short and round, like a rat's. Horns 

 black, conical, reclined, slightly turned inwards and forwards, 

 two inches in length, closely and strongly annulated. General 

 colour dull brownish, buff, or mouse colour, above; beneath 

 whitish. Legs and rump rufous. Tail two inches long, dark 

 above, white beneath. No suborbital sinus, but a suborbital 

 sack lower down, marked by a lengthened streak upon the 

 cheek. 



Female similar, but hornless, and more diminutive. 



Solitary. Inhabits the forests along the sea-coast. 



