THE SELOUS COLLECTION. 31 



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 4| ; spread 

 from tip to tip 8|. 



Typical localit} r , Cape Colony ; range extends northwards 

 through Southern Rhodesia across the Zambesi into Northern 

 Rhodesia 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. Pungwe 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 

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



General colour bright tawny ; dark frontal marking either 

 entirely absent or very indistinctly developed. Horns with rather 

 more distinct ridges than in the Cape Oribi. 



Of the following series the finest horns (No. 19. 7. 15. 152) 

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



Typical locality, Uasin Gishu Plateau, Kenya Colony. This 

 Oribi inhabits the country from the southern shores of the Victoria 

 Nyanza northwards to Mt. Elgon and towards Lake Rudolf. 



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



Colony. 

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



