THE SELOUS COLLECTIOjS^. 81 



The Oribis are readily distinguished from the other members of 

 the subfamily by their larger size and the presence of a bare patch of 

 skin below each ear. The knees are tufted, and small lateral hoofs 

 always present. The Cape Oribi stands about 24 to 26 inches at 

 the shoulder. General colour yellowish rufous with a dark marking 

 on forehead. Horns in good specimens measure from 5 to 7 inches 

 in length ; basal portions indistinctly ringed. 



The horns of the series in the Collection are of average size 

 only, No. 19. 7. 15. 142 measuring as follows : — length 4J ; spread 

 from tip to tip 8g. 



Typical locality, Cape Colony ; range extends northwards 

 through Southern Khodesia across the Zambesi into Northern 

 llhodesia and the Congo. 



116 —19.7.15.141. 2 September, 1880. Umfuli River, Mashona- 



land, Southern Rhodesia. 



117 --19. 7.15.142. 24 December, 1877. Manica Plateau, North 



of junction of Kafue and Zambesi, North-East Rhodesia. 



118 —19. 7. 15. 143. July, 1880. Mashonaland, Southern Rhodesia. 



119 — 19. 7. 15. 144. November, 1892. Pungwe River, Mozambique. 

 120-122 —19. 7. 15. 145-147. October, 1892. PuHgwe River, Mozam- 

 bique. 



123 —19. 7. 15. 148. August, 1892. Hanyani River, Mashonaland, 

 Southern Rhodesia. 



POWELL-COTTON'S ORIBI. 



OUEEBIA MONTANA COTTONI. 



Ourebia cottoni, Thomas, Ann. Mag. Nat. Hist. ser. 8, vol. i. p. 178, 1908. 

 Ourebia montana cottoni, Roosevelt and Heller, Life-histories of African 



Gdhne Animals, vol. ii. p. 560, 1915. 

 Geneml colour bright tawny ; dark frontal marking either 

 entirely absent or very indistinctly developed. Horns with rather 

 moie distinct ridges than in the Cape Oribi. 



Of the following series the finest horns (Np. 19. 7. 15. 152) 

 measure 5| inches in length, and have a tip to tip interval of 2|. 



Typical locality, L^asin Gishu Plateau, Kenya Colony. This 

 Oribi inhabits the country from the southern shores of the Victoria 

 Nyanza northwards to Mt. Elgon and towards Lake lludolf. 



124-125 —19.7.15.149-150. January, 1903. Londiani, Kenya 



Colony. 

 126-133 —19. 7. 15. 151-158 Uasin Gishu Plateau, Kenya Colony. 



