PLATE 36. 



HIND FEET OF PARAHIPPUS FROM THE LOWER MIOCENE. 



All figures one-half natural size. 



Lower Rosebud, Porcupine Creek, Lower Miocene 



Pine Ridge, So. Dak. 

 Upper Rosebud 



1. Parahippvs pristinus Osborn, referred specimen, Am. Mus. 



12923, hind foot. 



2, 3. Parahippus coloradensis proecurrcns Osborn, paratype, 



Am. Mus. 12925, (2) hind foot, (3) fore foot. The limbs 

 are slender and the feet are long, with the lateral digits 

 greatly reduced. Associated with these feet is the 

 paratype lower jaw fragment with premolars, parts of 

 tibia and radius. 



294 



