THE SELOUS COLLEOTIOX. 



Family HIPPOPOTAMID^. 



HIPPOPOTAMUS. 



HlPPOPOTAMtrS AMPHIBirS AMPHIBIUS. 



Hippopotamus ampMbius, Linn. Syst. Nat. ed. 10, vol, i, p. 74, 1758 ; 



ed. 12, vol. i. p. 101, 1766. 

 Hippopotamus amphibius amphibius, Sohwarz, Ann. Mag. Nat. Hist. 



ser. 8, vol. xiii. p. 31, 1914. 



Represented in the Collection bj a single skull which is 

 provisionally referred to the typical race. The cranial characters 

 that have been used in differentiating the various races of Hippo- 

 potamus are such as can only be relied upon if supported by evidence 

 from la,rge series of specimens ; the material in the Museum Col- 

 lection is not sufficient to permit of any definite decision being 

 made. 



Typical locality, Nile Valley. 



424 — 19. 7. 15. 504. Sknll. Lower Euenya Eiver, 20 miles aouth 

 of Tette, Mozambique. 



Family EQUIDiE. 

 GREVY'S ZEBRA. 



EQUrS (DOLICHOHIPPUS) GREVYI. 



Equus grevyi, Onstalet, La Nature, vol. x. p. 12, figs. 1 and 2, 1882. 

 Dolichohippus grevyi. Heller, Smithson. Misc. Collect, vol. Ix. no. 8, p. 1, 



1912. 

 Equus (Dolichohippus) grevyi, Lydekker, Cat. Ungulate Mamm. Brit. 



Mus. vol. V. p. 17, 1916. 



Distinguished from all the other Zebras by its much larger 

 head, the skull being elongated with a long diastema between the 

 cheek-teeth and incisors, and the greater size of the ears. Body 

 coloration consists of a series of brownish black and buff or whitish 

 stripes of almost equal width except on the neck where the dark 

 stripes become broader. The stripes of the body are all transverse, 

 even those on the rump. 



Typical locality, Abyssinia ; range extends from north bank of 

 the Tana River northwards across the Northern Guaso Nyiro as 



