I A MELS 



in: 



of support and are gradually becoming vesl iges. The I bree-toed horse In 

 the center of the alcove is one of 1 1 1< • most complete and finesl examples 

 ever unearthed. 



W&% 1 





4 ti 





Restoration of Eohippus, the four-toed horse. This ancestor of the modern horse, 

 scarcely larger than the red fox, lived some three millions of years ago. It comes from 

 the Lower Eocene of Wyoming and New Mexico. 



Opposite the horse exhibit on the other side of the hall are series of 

 specimens illustrating the evolution of the camel, deer and other cloven- 

 hoofed animals. These animals, like the cow of to-day, walked on the 

 tips of the third and fourth fingers, and the gradual disappearance or 

 reduction to useless vestiges of the other fingers and toes can be traced 

 as in the horse series. 



The large blocks, showing groups of skeletons of early camels, 

 c , skulls and bones of primitive ruminants in their natural 

 position in the rock, show how these specimens are some- 

 Giant Pigs times found and raise questions as to how they got there, 

 and Pigmy more easily asked than answered. The giant pigs, or 

 Hippopotamus e l theres, and the pigmy hippopotamus will repay 

 examination. 



The primitive rhinoceroses are shown near the center of the hall on 



Rhinoce o * ,ne right. As here indicated great herds roamed over the 



fields in the Tertiary Period and their fossil remains are 



found imbedded in the sandstones and clays of the badland forma- 



