ix'iii.\(Hi':h'(>s 



II I 



position in t\w rock, show how these spocinions arc sometimes 



Giant Pigs found and raise (juestions as to how they ^ot there, more; 



and Pigmy easily asked than answered. Tlie ^iant i)i^s, or elothi-res, 



Hippopotamus .^m[ ^\^^^ pyomy liii)j)opotanuis will re))ay examination. 



The ])rimitive rhinoecM'os-like animals are shown near the center of 



the hall on the ri«>;ht. It seems hard to helieve that our 

 Rhinoceros ' i • i i m a- xi * 



vast western country and nideed all Aorth America was 



onc(^ the home of th(^ rhinocc^'os. As here indicated ^reat herds roamed 



over th(^ fields in the Tertiary Period and their fossil remains are found 



li* siuratiun of Brontosaiirus. One of the largest of the amphibious dinosaurs, cold-blooded, slow- 

 mo\'ing, unintelligent creatures that grew to large size (65 ft. in length) in the rich vegetation of the 

 Reptilian era. 



imbedded in the sandstones and clays of the badland formations. Oppo- 

 site these are shown the ancestors of the dogs, cats and other carnivores 

 and the Creodonts or Primitive Carnivores of the early Tertiary. Next 

 to these are the small mammals — the insectivores, rodents and marsu- 

 pials; and the fossil lemurs and monkeys, fragmentary but interesting 

 because of their bearing on the ancestry of man. 



On the south side on the right are skeletons of titanotheres, on the 

 left of uintatheres, huge extinct, horned animals peculiar to North 

 America. 



