2 CONTENTS. 



Tage. 

 Catalogue of fossils Continued. . 



Mesozoic Age 92 



Jurassic Period 92 



Cretaceous Period 94 



Cenozoic Age 102 



Tertiary Period 102 



Descriptions of new species 107 



Carboniferous 107 



Jurassic 110 



Cretaceous 112 



Tertiary 125 



CHAPTER IV. 



GEOGRAPHIC DISTRIBUTION OF THE GEOLOGICAL FORMATIONS IN THE UINTA MOUNTAINS. 



Red Creek Quartzite 137 



Uinta Group 141 



The Carboniferous groups 146 



The Jura Trias groups 150 



The Cretaceous groups 153 



The Cenozoic groups 161 



CHAPTER V. 



STRUCTURAL GEOLOGY. 



The eastern portion of the Uinta Mountains 176\ 



Displacement 176 



Degradation 181 



Disintegration 182 



Transportation 184 



Scholium relating to the epoch of upheaval of the Basin Ranges 198 



Sedimentation 198 



The Yampa Plateau 202 



Scholium relating to the terms " upheaval," " subsidence," &c 203 



Junction Mountain 204 



Diamond Peak 204 



The Dry Mountains 206 



Brown's Park 208 



Aspen Mountain district 209 



