1 176 



INDEX 



Philippine Islands, 204, 237, 242 



, diatoms near, 460 



Philippine Sea, 195 



Phillips, J., cited, 224, 267, 1099 



, J. A., cited, 37, 96, 294, 299, 639 



Phillipsite, 330 



Phoca, in fresh water, 1063 



Photic region, 982 



Phragmitetum, 486, 487, 500 



Phyllocarida, 377, 948 



Phylogerontic stages, 973 



Phylum, 912 



Physa, in Florissant Lake Basin, 525 



Phytogenic deposits, 384 



Phytolitharia, marine, in Mississippi mud, 



61S 

 Phytoliths, 280 

 Phytology, 20 

 Phytosphere, i6, 910 

 Piedmont region, 226 

 Pierre shales, 447 

 Pike's Peak, 32, 33, 310 

 Pilgrim, G. E., cited, 92 

 Pilot, fish, ggb 

 Pine Creek Valley spring, composition of, 



168 

 Pittsford shales, 376, 377, 1029 

 Planetesimal hypothesis, 92, 297 

 Planetesimals, 907 

 Plankton, defined, 991, 992 

 Planoconformity, 826 

 Planorbis, 1004 



, in Florissant Lake basin, 525 



, in loess, 568 



, in Severn deposits, 665 



, mutations of, 1043 



, shell replaced by sulphur, 1086 



Plants, chlorophyll-forming, 25 

 Plasmodium, 933 

 Plasticity, zone of, 819 

 Plastotype, 919 

 Plattenkalke, 438 

 Playa lake, 77, 123, 602 

 Playa surface, 709 

 Pleistocenic, beaches of, 654 



, location of pole in, 895, 896 



Pleistocenic ice sheet, 344 



Plesiotype, 919 



Plitvicer seas, 125 



Plucking, 18 



Plum Island, map of, 491 



Plymouth, force of waves at, 231 



Po, 248 



delta, 607, 642 



, lignitized wood in, 614 



, thickness of, 009 



River, alluvial plain built by, 584 



■ , flood plain of, 589 



, natural levees of, 617 



Pocahontas, Pottsville conglomerate at, 742 

 Pochutla, cinder cone of, 863 



Pocono conglomerate, 636 



sandstone, 635 



Podolia, 443 



Point au Sable, 838 



Point Bonita, basic lava of, 315 



Polar Sea, temperatures of, 193 



Pole, migration of, 891, 892 



Pole, shifting of, 536 



Poles, wanderings of, 91, 92 



Polyhalite, 371, 372, 374 



Pomerania, brackish ponds of, 126 



Pompeckj, J. F., cited, 479, 521, 667, 678, 



688 

 Pompeii, human bodies in volcanic mud at, 



525, 1089 

 Pool, R. J., cited, 563, 580 



Porta do Mangue, diagenism of reefs of, 



761 

 Portage beds, faunas of, 1053 

 Portage sandstone, 554, 635, 936 

 — ^, loess-like origin of, 569 



shales, origin of, 479 



• — — , Protosalvinia in, 718 



Portageville, 127 



Port Elizabeth, sea wave at, 875 

 Port Hudson clays, 611 

 Port Jefferson, wave cutting at, 223 

 Portugal, recent corals of, 392 

 Posidonia shale, jet from, 483 



, organic remains in, 483, 484 



, origin of, 479 



Possneck, 433 



Potamoclastic, 295 



Potamogenic deposits, 329 



Potamology, 20 



Potamoplankton, 998 



Potomac formation, colors of beds of, 624 



, delta and flood plain deposits of, 



631 



, non-marine, iioi 



Potonie, H., cited, 280, 330, 382, 480, 482, 



510, 517, 521, 578 

 Potsdam sandstone, 642, 729, 856 



, trails in, 109 1 



Pottsville conglomerate, 635, 742 



, extent of, 252, 594 



■ , pebbles from, 596 



, thickness of, 904 



series, westward overlap of members 



of, 741 



Poughkeepsie, 227 



Pouillon-Boblage, cited, 267 



Pourtales, L. F. von, cited, 406, 464, 673, 



688 

 Pourtales Plateau, 106, 244, 335, 407, 414 

 Pozzuoli, 3 



, solfatara at, 168 



Prather, J. K., cited, 671, 672, 688 

 Pre-Cambric ocean, lime of, 331 

 Precipitation, effect of latitude on, 71 

 Presque Isle, Lake Superior sandstone of, 



726 

 Pressure, areas of high and low, 41 



, belts of, 43 



; normal atmospheric, 40 



Prestwich, J., cited, 698 



Primates, 956 



Prince Edward Island, glacial conglomerate 



of, 82 

 Progressive overlap, marine, 740 

 Prothallus, 938 

 Protoecium, 973 

 Protogenous, 269 

 Protograph, 919 

 Protolimulus, 1029 

 Protolog, 919 

 Protoplastotype, 919 

 Protosalvinia, 718, 1004 

 Prouvot, cited, 188 

 Provincetown, dunes of, 557, 559 

 Provincial faunas, 984 

 Przhevalsky, N. M., cited, 56, 562, 580 

 Psammytes, 285 

 Psephytes, 285 

 Pseudoplankton, 994 

 Psilotales, 940 

 Pteropod ooze, 455, 456 



■ — , analysis of, 677 



Pteropoda, 946 



Pueblo, 27 



Pugha. lake plain of, 364 



Pulverites, consolidation of, 751 



Pumpelly, R. W., cited, 56, 96, 580, 655, 



688, 690 



