THE HORSE. 99 



depend upon the fact that our modern breeds 

 have been derived from several widely different 

 sources. This seems the more likely, because 

 certain peculiarities of disposition appear to be 

 associated with hair of a special tint : thus a 

 roan horse is usually placid and tractable, a 

 sorrel is generally vicious, and a bright bay or 

 chestnut, which shows some white markings and 

 white in the sclerotic of the eye, is almost in- 

 variably courageous and possesses a hot im- 

 patient temper. I do not see how this double 

 uniformity — both in colour and character — can 

 be explained except upon the supposition that 

 each of these distinct types represents some 

 pure-blooded ancient race which originated such 

 attributes of mind and body in the first in- 

 stance. We know that among mankind certain 

 types remain fixed, in spite of a free mixture 

 of different branches of the human family. And 

 in some cases, as, for instance, in that of the 

 choleric red - haired man of Celtic type found 

 wherever English is spoken, peculiarities of 

 complexion and disposition in the individual are 

 clearly traceable to racial idiosyncrasies. 



Where animals have been domesticated for 

 many generations, it is difficult to trace the 



