CONTENTS. 9 



FISHES— Continued. Page. 



EEMAINS OF FISHES FEOM THE SHALES OF GREEN PJVER, WYOMING 194 



Clupea 195 



humilis 195 



alta 196 



DESCRIPTION OF REMAINS OF MAMMALS FROM THE TERTIARY FORMATION OF 



SWEETWATER RIVER, WYOMING 198 



MAMMALIA 199 



Order Euminantia 199 



Merycochcerus 199 



rusticus 199 



sp. (?) 208 



Order Solidungula , 208 



DESCRIPTION OF VERTEBRATE FOSSILS FROM THE TERTIARY FORMATION OF 



JOHN DAY'S RIVER, OREGON 210 



MAMMALIA 211 



Order Euminantia 211 



Oreodon 211 



Culbertsoni 211 



superbus 211 



Leptomeryx 216 



Evansi 216 



Agriochcerus 216 



antiquus 210 



latifrons 216 



Order Artiodactyla 21G 



Dicotyles 216 



pristinus 216 



Elotherium 217 



imperator 217 



Order Solidungula 218 



Anchitherium . 218 



Bairdi 218 



Condoni 218 



Order Perissodactyla 219 



Lophiodon 219 



Rhinoceros 220 



hesperius 220 



pacificus 221 



Hadrobyus 222 



supremus 222 



An undetermined carnivore 223 



CHELONIA 223 



Stylernys 223 



nebrascensis 224 



niobrarensis - 225 



oregonensis 226 



DESCRIPTION OF REMAINS OF VERTEBRATA FROM TERTIARY FORMATIONS OF 



DIFFERENT STATES AND TERRITORIES WEST OF THE MISSISSIPPI RIVER 227 



MAMMALIA 227 



Order Carnivora ■- 227 



Felis 227 



augustus 227 



imperialis 228 



Canis 230 



indianeusis 230 



Order Proboscidea 231 



Mastodon 231 



obscurus 231 



mirificus 237 



iimericanus 237 



II — G 



