62 



THE GEOLOGICAL EVIDENCES. 



That some of these modifications belong as 

 well to the horse as a specific animal as they do 

 to the horse as a tribe, is conclusively shown 



Recent didactyl horse. (After Marsh.) 



by the circumstance that we even now occa- 

 sionally meet with living horses possessed of 

 more than one toe to the foot, and, indeed, it 

 has been affirmed although the statement still 



