56 THE SELOUS COLLECTION. 



where it has not yet been exterminated. Along the borders of the 

 Kalahari desert it is common in many parts, and on the saltpans 

 between the Botletlie River and the waggon-road leading from 

 Bamangwato to the Zambesi, it is also plentiful. In common 

 with the Gemsbuck and Hartebeest, however, its northern range is 

 bounded by the thick forests which run east and west, south of the 

 Mababe river. I believe that to the west of Lake Ngami it has a 

 more extensive range northwards." 



306 19.7.15.331. 10 January, 1872. Griqualand West, South 



Africa. 



307 19. 7. 15. 332. 20 January, 1877. Maritsani Eiver, Becb- 



uanaland. 



308 19.7.15.333. 20 September, 1884. Near Metsi butluku, 



North Kalahari, Khama's Country. 



309 19. 7.15.334 (female). 10 January, 1881. Chwai Saltpan, 



Bechuanaland. 



310-312 19.7.15.335-337 (females). May, 1895. Dreifontein, 

 Orange Eiver Colony. 



GERENUK. 



LlTHOCBAXIUS WALLERI. 



Gazella walleri, Brooke, Proc. Zool. Soc. 1878, p. 929, pi. Ivi. 

 Lit\_h]ocranius (Gazella) ivalleri, Kohl, Ann. Hofmns. Wien, vol. i. p. 79, 



pi. 5, fig. 3, and pi. 6, fig. 1, 1886. 

 LitJwcranius walleri, Thomas, Proc. Zool. Soc. 1891, p. 207. 



Distinguished from the Gazelles and Springbuck by the great 

 elongation of the neck and limbs, the presence of four teats, and of 

 a bare glandular area below each eye. Lower premolars, as in 

 Gazella, three pairs. Inguinal glands absent. Horns present 

 only in males, sublyrate in type with*tips curved forwards ; good 

 horns from 14 to 17 inches 



Of the seven heads in the Collection No. 19. 7. 15. 339 possesses 

 the longest horns : length on front curve 14 ; circumference 5 ; 

 spread from tip to tip 4|. 



Typical locality, Juba Valley. The range is very great, ex- 

 tending from Somaliland and southern Abyssinia southward 

 through Jubaland, across the Northern Guaso Nyiro Valley 

 into the Tanaland Province, and from thence through Taita 



