INDEX OF SYSTEMATIC NAMES. 513 



Page. 



Palruacites Goldianus 311 



rimosus 290 



Paloeolagus 25 



Pappicbtbys 158 



Paradoxides 112 



Patula Cooperi 396 



Pecopteris 134 



Nebraskana , 333 



Pectinibrancbiata 390 



Persea Leconteana , 343 



Sternbergii 343 



Pbaseolites juglandinus ...... 314 



Phitolitbus 281 



Phragniites cretaceous 338 



Physa 25 



beterostropha , 400 



Pbysidie 400 



PLyllites ainc-rpbous 364 



betulsefolius . . 363 



rhoifolius 361 



rbomboideus 364 



urnbonatus 364 



Vanoiise 364 



Pbyllocladus subintegrifolius 337 



Piuna 134 



Pimis Quenstedti ,. 336 



Pisidium 22 



Pistia corrngata 287, 289 



Mapelii 289 



Planera Ungeri , 313 



Planorbinaj 402 



Planorbis 23,25 



Plastoinenus 154 



Platanese 341 



Platanus 23, 134 



aceroides , 293 



diminutiva-. 341 



Guiilelma 293 



Haydeni 32 



Heerii • 341 



Newberriaua . 341 



obtusiloba 341 



priniera 341 



Pleuropborus 115 



Poebrotberium 25 



Polyoarpicse 355 



Pomatiopsinae 391 



Pompboliginae 405 



Populites elegans 339 



laucastiieusis 339 



Populus 23 



arctica '. 293 



melanaria 302 



inelanarioides 291, 302 



mutabilis 291 



tremuloides 81,86,93 



Potamoiu ya 22 



Prionocyclus Wyomingensis 136 



Procamelus 25 



Prodnctus 114,119 



semistriatus 216, 233 



subaculeatus 213 



Proteaceaa t . r 346 



Proteoides acuta 128,347 



dapbnogenoides 347 



Grevilleaeibrmis 347 



Protomeryx 25 



Protopbyllum crednerioides 363 



Ilaydeuii 363 



33 n 



