.a'HE SEIiOUS 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 measm-ing as follows : — length 4g ; spread 

 from tip to tip 3|. 



Typical locality, 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. TJmfuli Eiver, Mashona- 



land, Southern Bhodeaia. 

 U7 —19.7.15.142. 24 December, 1877. Manioa Plateau, North 



of junotion of Kafue and Zambesi, Noith-East Ehodesia. 



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



119 — 19.7.15.144. November, 1892. Pungwe Eiver, Mozambique. 

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

 bique. 



123 —19.7.15.148. August, 1892. Hanyani Eiver, Mashonaland, 

 Southern Ehodesia. 



POWELL-COTTON'S ORIBI. 



OUEEBIA MONTAIfA COTTONI. 



Oii/rebia cottoni, Thomas, Ann. Mag. Nat. Hist. ser. 8, vol. i. p. 178, 1908. 



Ourehia montana cottoni, Eoosevelt and Heller, Life-histories of African 

 Game ^-^i^^lSi vol. ii. p. 560, 1915. 



General 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 (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. 



