THE LITTLE-BRAINED DINOCERAS 93 



men have never ceased to resent the invasion of the 

 white men into this locality. It is not possible to 

 convince them that the buried skeletons are the 

 bones of animals and not of human beings. But in 

 spite of opposition on the part of the Indians, many 

 skeletons of the Dinoceras have been taken from 

 these rocks. So far no skin has ever been found with 

 these skeletons, but there is reason for believing that 

 Terrible Horn was covered with a skin like that of 

 the living elephant or rhinoceros. 



The desert in which these creatures are found was 

 once a beautiful country consisting of a chain of 

 inland seas, on the shores of which grew tropical 

 vegetation. Vast numbers of gigantic animals and 

 smaller ones as well lived in these seas and the 

 surrounding country for many tens of thousands of 

 years. During all that time the waters were salt 

 and connected with the ocean on the west. But 

 the bottoms of some of the seas were slowly rising. 

 After many thousands of centuries, they had risen 

 so high they began to form small mountains. These 

 mountains, through the changes that later took 

 place on this continent, became the towering ranges 



