South Dakota School of Mines 



Bulletin No. 13. Plate Xo. 22. 



A. Skull of Eporeodon major. Leidy, 1869. 



B. Left half of skull of Eporeodon major, as seen from above. Leidy, 1869. 



C. Right half of skull of Eporeodon major, as seen from below, Leidy, 

 1869. 



