GENERAL INDEX. 



331 



Page. 



NicoLet. I. N., writings of 273 



Niobrara group 96 



Nishnabolany 120 



Xon-marine fossil mollnsca, supplement to. . 180 



mollusca 167 



North American continent biologically con- 

 sidered 177 



Northwest 17 



Northwestern Boundary Commission 27 



localities 92 



Nonvean Mexique 241 



Niievo Leon 171 



O. 



Oak Creek, Texas, Cretaceous fossils 218 



Oc6an, Pacifiqne 241 



Ocoya Creek (Miocene fossils) 212, 214 



Ohio 66,67,68,69,70,77,88,153 



valley 248 



Oligocene fossUs 220 



OstreidsB 237 



Omaha ■ 71 



Onondaga limestone 13 



Oregon 17,203,229,231.256 



(Eastern) 180 



(Western) 180 



Organic remains in Oregon 231 



Oiiskany group fossils 57 



Ostreidae, fossil N. A 172 



Ot<E City 71 



Owen, D. D., and Shumard, B. F 249, 251 



writings of 247 



Owl, great homed 144 



Oyster, enemiesof 176 



Pacific Ocean 28 



Railroad 65 



R. R. R. Exploration 233 



Paconaor Pacorina Caiion 244 



Palseontologic notes 199 



Palaeontology of Black Hills 201 



ColoradoRiveroftbeWest. 245 

 Exploration of Iowa. Wis- 

 consin, and Illinois 247 



Fortieth Parallel Survey. . 233 



P. R.R Surv., vol. vii 217 



Uniti'd States and Mexican 



Boundary Survey 233 



Paleozoic 37,41,64,68 



crinoidea 53, 63, 64 



fossils 26,138 



groups 187 



pteropods 199 



rocks 249 



of Texas 188 



(Upper) fossUs 51 



Palestine expedition 206 



Park range 142 



Parti 



II 



Ill .. . 



IV 



Parvin, T. S 



9 

 113 

 183 

 201 

 123 



Page. 

 Permian 19,32,187 



fossils 256, 257, 274 



Permo-carboniferous fossils 235 



Petermann, A 242 



Pike's Peak 244 



Plastic clays fossils 266 



Plateau Province 136 



Platte River 71 



Plattsmouth 71 



Pliocene 244 



fossils 170 



ostreidse 238 



Poblazon 273 



Pogonip group fossils , 190 



Point of Rocks, Wyoming 145 



Polar Ocean 52 



Pope, John .' 241,242,256,257,274 



Portugue.se 181 



Post PUocene 205 



ostreidae 238 



Potomac River, section near mouth 205 



Potsdam 18, 31, 259 



fossUs 23 1, 233 



Powell, J. W 126, 157 



Prairie fires - . 124 



Pre-carboniferous of Grand Canon 188 



Preservation of fossils 146 



Preston i 241, 242 



Primordial 31, 126, 128 



fossils 27,2.50,261 



Progress of Invertebrate Palaeontology 



U. S ,....v 150,152,156,171 



Prospect Mountain group fossils 189 



Prout 64 



Hiram A, writings of 274 



Pueblo, Mexico 153 



Pyramid Mount 17 



Q. 



Quaternary 



.13,74,75 



K. 



Patuxent River section 205 



Rai'itan clays 



Raton 



Raynolds, W. F 



Recent fossils 211. 



Red quartzite 



River 241,242, 



Report Geology of Iowa, Wisconsin and 



Minnesota 



Survey, Iowa 



Palseontologic field work, 1877 



Reptilian age 



Rio Grande delNorte 241, 



Puercos cretaceous fossils 



San Pedro cretaceous fossils 



Riverside 



Rock Blufl' 



Rockford 



Rock Springs, Wyoming 



Rocky Mountains 88, 142, 145, 157, 



Rouge (rivifere) 



Rulo -• 



Ryder, John A 



265 

 273 

 27 

 213 

 123 

 255 



250 



123 



144 



33 



242 



218 



218 



71 



71 



25 



1 5 



242 



241 



71 



172 



