South Dakota School of Mines. 



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Bulletin No. 9. Plate No. 33. 



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Figure 1. Illustration to show evolution of fore foot in the Horse family. After Osborn. 

 Copyrighted by the Am. Mus. of Nat. Hist. 



Figure 2. Right hind foot and left fore foot of Mesohippus intermedius, an Oligocene horse. 

 Front and side views, Osborn and Wortman, 1895. 



