116 osborn: oligocene, miocene, pliocene equid^e. 



Fig. 89. Merychippus campcsfris Gidley. Side and crown views of the upper and lower dentition of the specimens 

 figured in Fig. 88, Am. Mus. 9096, type, Am. Mus. 9459, referred specimen. Upper and middle figures reversed in 

 drawing. All figures natural size. 



