136 MAMMALS. 



the next species does with the brindled Gnu, and both with Ostriches (as in Xenophon's time the 

 AsiNus HEMippus did in Mesopotamia.) 



2. Equus Burcheli,!!, Gnnj, may be called the Zebra of the plains, in contradistkiction to the 

 next, which is a mountain species. Extensively difiiised over Africa, even to Abyssinia and to 

 Congo, and southward to the Gariep river. 



3. Equus Zebra, Auct. The Zebra of modern nomenclature, more properly the Mountain 

 Zebra, and more completely striped than any of the rest — known only to inhabit South Africa. 



4. Equus vulgaris, Gray. The True Onager, or aboriginal Wild Ass. Indigenous to North- 

 East Africa, if not also to the southern parts of Arabia, and Island of Socotra. 



5. Equus hemippus, Is. St. Sil. The Hemionus or Hemippus of the ancients ; inhabits the 

 deserts of Syria, Mesopotamia, and the northern parts of Arabia. 



6. Equus onager, Fall. The Koulau or Ghorkur. Inhabits West Asia from 48° North 

 Lat. southwards to Persia, Beloochistan, and West India. 



7. Equus hemionus. Pall. The Dshiggetai or Kiang. It inhabits Thibet, and thence northwards 

 through the Gobi Desert into Mongolia and Southern Siberia, and as far eastwards as the Sea 

 of Japan. Major W. E. Kay * states that they are to be met with in all the level country between 

 Ladak and Lassa, or in the valleys between the various ranges. He himself saw them only north 

 of the Himmalaj'ah range, first upon the Rupcher j)lains, and in the neighbourhood of the salt 

 lakes, often in company with the Ovis Ajimox. They affect plains and inidulating hills at from 

 15,000 to 16,500 feet above the sea; if found in steeper country they have been driven there. 



8. Equus taeniopus, llengl. Abyssinia and the highlands of Eastern Africa. 



9. Equus oaballus, Auct. Domesticated everywhere. 



* " Proc. Zool. Society," 1859, p. 354. 



