46 THE SELOUS COTjLECTIOX. 



far east as Mt. Elgon and the Uasin Gishu District, and as far 

 west as Ruwenzori. In the north it appears to reach the southern 

 limits of the White-eared Kob on the Sudan boundary. 



244 —19. 7. 15. 269. 23 June, 1909. Nzoia River, TJasin Gishu 

 District, Kenya Colony. 

 245-248 —19.7.15.270-273. 1909. Nzoia River, Uasin Gishu District, 

 Kenya Colony. 



WHITE-EARED KOB. 

 Adenota kob leucotis. 



Antilope leucotis, Lichtenstein and Peters, Monatsber. Ak. Berlin, 1853, 



p. 164; Abh. Ak. Berlin, p. 96, 1854. 

 Kobus leucotis, Gerrard, Cat. Bones Mamm. Brit. Mus. p. 239, 1862. 

 Adenota leucotis, Heuglin, Nova Acta Ac. Cses. Leop.-Car. vol. xxx. pt. 2, 



pp. 12 and 13, pi. 1. fig. 4, 1863. 

 Cobus (Adenota) leucotis, Revilliod, Verb. nat. Ges. Basle, vol. xxiv. 



p. 210, 1913. 

 Adenota hob leucotis, Roosevelt and Heller, Life-histories of African 



Game Animals, vol. ii. p. 514, 1915. 



Size and horns as in thomasi. General colour of adult pelage 

 very dark, almost blaok, the fulvous coloration existing, as a rule, 

 only in immature males and females at all ages. 



In the following series the colour variations are well shown ; 

 some of the fulvous coloured specimens are quite adult. 



Best horn measurements (No. 19. 7. 15. 278) : — length on 

 front curve 21^ ; circumference 6| ; spread from tip to tip 10. 



Typical locality, swamps of the White Nile, about (jO miles 

 south of Khartum. The White-eared Kob is found over a con- 

 siderable part of Bahr-el-Ghazal, extending eastwards as far as the 

 Abyssinian border. 



249 —19.7.15.274. 5 March, 1911. Naam River, near Rumbek, 

 Bahr-el-Ghazal. 

 250-255 —19.7.15.275-280. 1911. Gell River, near Rumbek, Bahr- 

 el-Ghazal. 



