234 UTILITARIAN ZOOLOGY 
however, that the Horse was not domesticated in Europe until the 
Bronze Age, or at least not to any large extent. 
At the present time there do not appear to be any truly wild 
horses of the same species as our domesticated breeds, and the 
so - called “wild 
horses” of South 
ee es Hyp gs America, for ex- 
Jj Se of ES ample, are simply 
z.e. the de- 
in = 
£ Pi rh AN feral, 
scendants of tame 
Fig. 1168.— Prehistoric Hog-Maned Horses (from Isaac Taylor's The Origin animals which 
of the Aryans, by the courtesy ss Mr. Walter Scott) 
have escaped from 
captivity. There is, however, a small kind of horse (Eguus 
Przewalskit, fig. 1169) native to the desert regions of Central 
Asia, which possibly approaches in some respects to the ancestral 
Fig. 1169.—Przewalsky’s Horse (Equus Przewalskit) 
stock. The mane is not well developed, and the tail resembles 
that of a donkey. The greatly specialized limbs of horses and 
their allies have undoubtedly been evolved as an adaptation to 
swift progression on plains of desert or steppe nature (see vol. iii, 
