SOUTH DAKOTA SCHOOL OF MINES 119 



Considered as indirectly ancestral to present day swine, it 

 nevertheless showed few of the distinct suilline characters. 

 In not a few respects it resembled the hippopotamus. Its 

 size varied considerably, ranging in some species to near the 



Figure 56 — Palatal view of skull of Dinohyus fiollandi. Peterson, 

 1906. 



size of the present day rhinoceros, the head alone reaching 

 sometimes more than three feet in length. Dinohyus hol- 

 landi, a nearly related genus, had a skull whose length, ac- 

 cording to Peterson, reached more than thirty-five inches. 

 (Plates 37 and 39). The Elothere skull is remarkable in 

 many ways. The muzzle is long and slender, the eyes 



Figure 57 — Skeleton of the giant Oligocene pig Elotherium (Entelodon) 

 ingens. Peterson, 1909. 



