PLATE I 



Fig. 2 



Fig. I 



Fig. I. Back view of fore (A) and hind (B) cannon and splint bones of Shire Horse. 

 Fio. 2. Front view of the bones of the left fore (A) and hind (B) feet of the extinct 

 Three-toed American Miohipptis aitceps. (^ natural size.) 



