91 



C. Gazella grant! robertsi. 



Oazella grant! robertsi, Thomas, Proc. Zool. Soc. 1903, vol. ii, p. 119; 

 O. Neumann, Sitzber. Ges. nat. Frcunde, 1906, p. 243 ; Lydekker, 

 Game Animals of Africa, p. 262, 1908 ; Ward, Records of Big 

 Game, ed. 6, p. 269, 1910, ed. 7, p. 267, 1914 ; Heller, Smitlison. 

 Misc. Collect, vol. Ixi, no. 7, p. 7, 1913. 



Typical locality near Speke Gulf, Victoria Nyanza, in the 

 Usagara district of German East Africa. 



Distinguished from typical race by the strong outward 

 curvature and divergence of the horns, of which the tips 

 are backwardly hooked. Good horns measure from 25 to 



PIG. 18. SKULL AND HORNS OF USAGARA. RACE OF GRANT'S GAZELLE 



(Gazella granti robertsi). 

 From Thomas, Proc. Zool. Soc. 1903. 



:28 inches in length, with a tip-to-tip interval of from 1SJ to 

 28 inches (in one instance 38^ inches). 



Whether this so-called race is really anything more than 

 the product of a single original herd may be doubtful, 

 as heads have come under the writer's observation in which 

 one horn was of the true granli, and the other of the robertsi 

 type. 



3. 6. 12. 1. Skull, with horns, and skin. Near Speke 

 Gulf, Victoria Nyanza. Type (fig. 18). 



* Presented ly F. Russell Roberts, Esq., 1903. 



