GENERAL INDEX. 



331 



Page. 



Nicollet, I. N., writings of 273 



Niobrara group 96 



Nishnabolany 120 



Non-marine fossil mollusca, supplement to. . 180 



moUusca 167 



North American continent biologically con- 

 sidered 177 



Northwest 17 



Northwestern Boundary Commission 27 



localities 92 



Nonveau Mexique 241 



Nmevo Leon 171 



0. 



Oak Creek, Texas, Cretaceons fossils 218 



Oc6an, Paciflque 241 



Ocoya Creek (Miocene fossils) 212, 214 



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



valley 248 



Oligocene fossils 220 



Ostreidae 237 



Omaha 71 



Onondaga limestone 13 



Oregon 17,203,229,231.256 



(Eastern) 180 



(Western) 180 



Organic remains in Oregon : 231 



Oriskany group fossils 57 



Ostreidae, fossil N. A 172 



Otoe City 71 



Owen, D. D., and Shumard, B. P 240,251 



writings of 247 



Owl, great homed 144 



Oyster, enemies of 176 



Pacific Ocean 28 



Railroad 65 



R. R. R. Exploration 233 



Paconaor Pacoiina Canon 244 



PalsBontologic notes 199 



Palaeontology of Black Hills 261 



Colorado Rirer of the West. 245 

 Exploration of Iowa, Wis- 

 consin, and Illinoi.s 247 



Fortieth Parallel Survey . . 233 



P. R. R Surv.. vol.Tii 217 



Uuitc^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) fossils 51 



Palestine expedition 206 



142 



9 



113 



183 



, 201 



123 



205 



Park range 



Parti 



II 



Ill 



IV 



Parvin, T. S 



Patnxent River section . 



Page. 

 Permian 19, 32, 187 



fossils 256, 257, 274 



Permo-carbonif erouB 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 



ostreidae 238 



Poblazon 273 



Pogonipgroup fossils 190 



Point of Rocks, Wyoming 145 



Polar Ocean 52 



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



Portuguese 181 



Post Pliocene 205 



ostreidae 238 



Potomac River, section near month 205 



Potsdam 18, 31, 259 



fossUs 23 1 , 233 



Powell, J. W 126, 157 



Prairie fires 124 



Pre-carboniferous of Grand Cafion 188 



Preservation of fossUs 146 



Preston 241, 242 



Primordial 31,126,128 



fossils 27, 259, 261 



Progress of Invertebrate Palaeontology 



TT. S 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 



R. 



Raiitan clays 265 



Raton 273 



Raynolds, W. F 27 



Recent fossils 211, 213 



Red quartzite 123 



River 241, 242, 255 



Report Geology of Iowa, Wisconsin and 



Minnesota 250 



Survey, Iowa 123 



Pabeontologic field work, 1877 144 



Reptilian a;;e 33 



Rio Grande del Norte 241, 242 



Puercos cretaceous fossils 218 



San Pedro cretaceons fossils 218 



Riverside 71 



Rock Blufl" 71 



Rockford 25 



Rock Springs, Wyoming 1 5 



Rocky Mountains 88, 142, 145, 157, 242 



Rouge (riviere) 241 



Rulo 71 



Ryder, John A 172 



