THE SELOtJS COLLECT-iON. §5 



'lypical locality, Somaliland ; range extends westward as far as 

 the Tana River and valley of the Northern Guaso Nyiro. To the 

 north of the Northern Guaso Nyiro' this Rhinoceros inhabits the 

 area to the east of Lake liudolf ; it is also found in certain parts 

 of Southern Abyssinia. 



439 —19.7.15.519. 1912 (aex not recorded). Northern Guaao 



Nyiro, Kenya Colony. Length of front horn on outside 

 cuTTe 24^ ; oiroumferenoe at base 17 ; length of rear horn 

 on side 22i ; oiroumferenoe at base 17i. 



440 —19. 7. 15. 520 (sex not reoorded). Horns. 1912. Northern 



Guaso Nyiro, Kenya Colony. Length of front horn on out- 

 side curve 21 ; circumference at base 16 ; length of rear 

 horn on side 14 ; circumference at base 16|. 



SOUTH AFRICAN WHITE, OR SQUARE-MOUTHED 

 RHINOCEROS. 



Rhinoceeos (Diceeos) siMrs simus. 



Rhinoceros simus, Burohell, Bull. Soc. Philom. 1817, p. 97 ; Travels in 



S. Africa, vol. ii. p. 75, 1824. 

 Ceratotherium svmwm. Gray, Proo. Zool. Soc. 1867, p. 1027 ; Cat. 



Oarnivora, etc., Brit. Mus. p. 319, 1869 ; Hand-List Thick-skinned 



Mamm. Brit. Mus. p. 52, 1873. 

 Diceros simus, Thomas, Nature, vol. Ixii. p. 599, 1900 ; Proo. Zool. Soc. 



1901, vol. ii. p. 158. 

 Bhinoceros {Diceros) simus. Ward, Eecords of Big Game, ed. 6, p. 473, 



1910, ed. 7, p. 472, 1914 ; Lydekker, Cat. Ungulate Mamm. Brit. Mus. 



vol. V. p. 55, 1916. 

 RhiMoceros simus simus, Lydekker, Cat. Ungulate Mamm. Brit. Mus. 



vol. V. p. 56, 1916. 



Size rather larger than in hicornis with much larger head ; 

 skull very long with posterior part prolonged backward well 

 beyond the condyles. First premolar not persistent, the adult 

 number of cheek-teeth being seven. Front horn with square base. 

 Upper lip broad and square. Prominent fleshy hump on nape of 

 neck. Ears considerably larger than in hicornis. General colour 

 rather lighter than in the Black species. The , typical White 

 Rhinoceros of South Africa is very closely allied to the Nile race 



