284 Game of Europe, W. & N. Asia & America 



that Przewalski's horse is neither a hybrid nor a wild ass. In some respects 

 it seems to come nearer to the tarpan, but it lacks a torelock and a dark 

 dorsal stripe, while the mane and tail also appear to be somewhat different. 

 Further comparisons are, however, much required. If Mr. Sclater be 



Fig. 65. — Przewalski's Horse. From a photograph in the possession of Mr. Carl Hagenbeck. 



right in regarding this animal as the ancestor of the domesticated horse, it 

 could only rank as a race ot E. cahallus. 



On the whole, in the form and characters of the ears, tail, and hoofs, 

 the horse, the present animal, and the Asiatic wild ass appear to form 

 a group of closely allied species all of which differ in these respects from 

 the wild ass, quagga, and zebras of Africa. 



