CENOZOIC TIME TERTIARY. 



909 



pus; several new genera of the Hog family, among them species of Elothe- 

 rium as large as a Rhinoceros. 



The Titanotherium giganteum of Leidy (1852) is one of the earliest species 

 discovered in the White River region. The restoration, Fig. 1533, ^ the 

 natural size, is by Scott and Osborn. The length was over 13 feet. 



1534. 



Eestoration of Brontops robustus (x^'j). Marsh. 



Fig. 1534 represents a restoration, ^L natural size, of another of these 

 Titanotheres, the Brontops robustus of Marsh. The length of body was 

 nearly 12 feet. 



1535. 



Elotherium crassum of Marsh (x g'g). 



A restoration of one of the Artiodactyl Ungulates is shown in Fig. 1535, 

 representing a large species of Elotherium, E. crassum of Marsh. Its 

 length was about seven feet. Its remains occur in Colorado and South 

 Dakota. 



