636 



INDEX. 



PAGE 



Plants, Cretaceous 476 



Devonian 327, 329, 330 



Jurassic 429, 431 



of Jura-Trias 460 



Silurian 304 



Tertiary 518 



Platanns aceroides 509 



Platepheraera autiqua 334 



Platysoinus gibbosus 412 



Plesiosaurus 438 



dolichodeirus 437 



Pleuracanthus 398 



Pleurocystites squamosus 312 



Pleurophorus subcuneatus 411 



Pleurotornaria agave 316 



dry ope 316 



scitula 395 



Pliocene epoch 502 



man, supposed 608 



Plioliippus 541 



Pliosaurus 439 



Pluinbiferous veins 240 



Plumularia 307 



Plutonic rocks 203 



Po, river 26 



Pocket 236 



Podogonium Knorrii 509 



Podozarnites crassifolia 459 



Emmonsi 415, 457 



Polypterus 338 



Polyzoa, living 309 



Silurian 309 



Ponera veneraria 514 



Populus cuneata 496 



Porphyrite 206 



Portheus molossus, tooth 483 



restored 484 



Potomac formation 473 



Potsdam 296 



Powell 229, 232, 255, 271 



Prestwich. 53, 101, 283 



Primary rocks 289 



Primeval man. character 619 



in America 614 



in Europe 608 



Primordial beach and its fossils 298 



period 296 



Prionastrea oblongata 429 



Proboscidians 525, 540 



Prodryas persephone 517 



Productus mesial is 394 



punctatus 394 



Propylite 207 



Protaster Sedgwickii 313 



Protaxites 329 



Protohippus 541 



Protophyllum quadratnm 475 



Protozoa, Cretaceous 477 



Silurian 304 



Protypus, Hitchcocki 299 



Pseudocrinus 312 



Psilophyton princeps 330 



Psychozoic era 603 



Pteranodon 486 



PAGE 



Pteraspis 336 



Pterichthys cornutus 336 



Pterodactyl 442 



Pterophyllum comptum 427 



Jsegeri 415 



Pteropods. Silurian 300 



Pterosaurs 442, 485 



Pterygotus Anglicus 325 



Gigas 326 



Ptychodus Mortoni 483 



Ptyonius 403 



Puerco beds 529 



Pumice 92 



Pupa vetusta 394 



Puzzuoli, temple of Jupiter Serapis near 135 



Pyrites, copper 239 



iron 240 



Pythonomorpha 486 



Q. 



Quartzite 220 



Quartz veins, auriferous 240 



in gneiss 5 



Quaternary, a period of revolution 594 



climate, cause 589 



climate, Croll's theory 590 



mammalian fauna of England 581 



mammalian fauna in North America. . . . 581 



man 609 



period 545 



period, cause of climate 589 



period, characteristics 545 



period in Australia 588 



period in Eastern North America 546 



period in Europe 569 



period in South America 584 



period, mammals 575 



period, migration of species during 595 



period on the western side of America. . 562 



period, plants and invertebrates 575 



period, subdivisions 545 



period, time involved in 593 



period, general observations 589 



times, geographical fauna 588 



Quercus crassinervis 508 



primordialis 474 



Saff ordi 508 



R 



Radiates. Devonian 332 



Silurian 304 



Radiolites cylindriasus 480 



mammellaris 480 



Rain-prints 400 



sculpture 12 



Raniceps 403 



Rankine 18 



Ravines, how formed 15 



Reade 234 



Recent epoch 603 



Recent extinct species, examples 605 



Receptaculites formosus 305 



