South Dakota School of Mines 



Bulletin No. 13. Plate No. 37. 



A. The giant pig Arcliaeotherium ingens. Restored from a skeleton in 

 the museum of Princeton University. W. B. Scott. A. History of 

 Land Mammals in the Western Hemisphere. 1913. Published by 

 The Macmillan Company. Reprinted by permission. 



B. Model of the giant entelodont, Dinohyus lioUandi of the Oligocene. 

 From a skeleton in the Carnegie Museum. Peterson, 1909. 



