610 



INDEX. 



Pacific coast, Triassic, iii, 27 



Upper Jurassic, iii, 64 

 Packard, A. S., cited, iii, 494 

 Pahasapa limestone, iii, 68, 567 

 Paidopithex, iii, 324 

 Palache, C, (and Lawson,) cited v 



iii, 263 

 Palaeacis obtusum, ii, 525 

 Palaeaspls amcricana, ii, 413, 417 

 Palaeaster simplex, ii, 359 

 Palaeocar.s typus, ii, 614 

 Palaeohatteria, ii, 648. 649 



longicaudata, ii, 647 

 Palaeolagus, iii, 253 

 Palaeomastodon, iii, 284 

 Palaeoneile constricta, ii, 471 

 Palaeophonus, ii, 417 



caledonicus, ii, 413 

 Palaeopteris, ii, 602 

 Palaeosauropus primaevus, Mis- 



sissippian, ii, 537 

 Palaeospondylus gunni, ii, 486 

 Paleolithic age, iii, 502 

 Paleoliths, iii, 503 

 Paleoniscus, ii, 652 



macropomus, ii, 652 

 Paleontaric series, ii, 370 

 Paleontologic geology, i, 1 

 Paleontology, i, 1 



based on stratigraphy, ii, 242 

 Paleozoic era, close of, ii, 639 

 Palisade Ridge, origin, iii, 19 

 Palissya, iii, 39 



sphenolepis, iii, 41 

 Palms, Cretaceous, iii, 173 

 Palms formation, ii, 188 

 Pamunkey series, iii, 198, 449 

 Panama, Comanchean, iii, 124 



Oligocene, iii, 252 

 Panopea, iii, 295 



decisa, iii, 187 

 Panther Creek coal basin, ii, 577 

 Pantylus, ii, 650 

 Paphia, iii, 295 

 Parabolic velocity, ii, 55 

 Paradoxides bohemicus, ii, 298 



Cambrian, ii, 241 



Middle Cambrian fauna, ii, 

 298 

 Paraffine, i, 646 

 Paralegoceras newsomi, ii, 616 

 Paranassa percina, iii, 294 

 Paraphorhynchus striatocosta- 



tus, ii, 520 

 Parasmilia texana, iii, 135 

 Paraxonia, iii, 234 

 Pareiasauria, ii, 648 

 Pareiasaurus, ii, 649 



serridens, ii, 650 

 Pariotichus, ii, 650 

 Paris basin, Eocene of, iii, 215, 

 217 



Oligocene of, iii, 249 



Tertiary of, iii, 217 

 Parma sandstone, ii, 540; iii, 553 

 Pascadero series, iii, 263 

 Pascagoula formation, iii, 262 

 Paso Robles formation, iii, 264, 



3io, 577 

 Patagonian beds, iii 281 



Patapsco formation, iii, 114 

 Patriofelis, iii, 237, 239 

 Patten, W., cited, ii, 482, 483, 



484, 485, 613 

 Patuxent formation, iii, 59 

 Payette formation, iii, 210, 299 

 Peach, B. N., cited, ii, 495 

 Peale, A. C, cited, iii, 70, 157, 



210, 267, 268 

 Peary, R. E., cited, iii, 442 

 Peastone, i, 472 

 Peat, i, 406, 472 



composition of, ii, 569 

 Peccaries, Miocene, iii, 286 

 Pecchiolia, iii, 295 

 Pecopteris, ii, 644 



tenuinervis, ii, 643 



unita, ii, 593 

 Pecora, iii, 236 

 Pecten, iii, 91, 295 



choctavensis, iii, 243 



complexicosta, iii, 136 



deformis, iii, 53 



(chlamys) madisonius, iii, 292 



newberryi, iii, 92 



t xar.us, iii, 135 

 Pcdi opsis pondi, iii, 189 

 Peet, C. E., cited, iii, 403 

 Pegmatite, i, 472 

 Pelagic deposits, i, 379-386 



organic constituents of, i, 382 

 Felag c fauna, i, 670 



life of Devonian, ii, 479 

 Pelecypods, Carboniferous, ii, 

 615, 616 



Chemung, ii, 478 



Comanchean, iii, 134, 135, 136 



Cretaceous, iii, 187, 190 



Devonian, ii, 473, 477 



Early Jurassic, iii, 91 



Eocene, iii, 243 



Genevieve, ii, 532, 533 



Helderbergian, ii, 454 



Jurassic, iii, 82, 83, 93 



Kinderhook, ii, 520, 521 



Middle Jurassic, iii, 91 



Miocene, iii, ,92, 295 



Mississippian, ii, 525 



Ordovician, ii, 354 



Onondagan, ii, 466 



Permian, ii, 653 



shells of, i, 662 



Silurian, ii, 403, 406 



Triassic, iii, 53, 56 



Upper Cambrian, ii, 299 



Upper Jurassic, iii, 91, 92 

 Pelee, i, 618 

 " Pele's hair," i, 404 

 Pelites, i, 472 

 Pelycosauria, ii, 649 

 Penck, E., cited, iii, 424 

 Peneplain, i, 81, 169 

 Penhallow, D. P., cited, ; ii, 490, 



4Qi. 493 

 Pennington shale, ii, 503, 559, 



560; iii, 549 

 Pennsylvania, Permian in, ii, 620 

 Pennsylvanian anthracite, ii, 577 



fauna, ii, 616 



Period, ii, 539 



Pennsylvanian Period, duration 

 of, ii, 583 



System, sections of, ii, 557- 

 563 

 Penokee-Gogebic region, Animi- 

 kean of, ii, 188 



Huronian of, ii, 180 

 Penrose, R. A. F., Jr., cited, i, 

 478; ii, 324, 337, 377; iii, 

 244, 261, 300, 560 

 Pensauken formation, iii, 449, 



450 

 Pentacrinus briareus, iii, 84 

 Pentamerus, ii, 404 



oblongus, ii, 404. 409, 458 

 Pentremital limestone, ii, 562; 



iii, 560 

 Pentremites robustus, ii, 532 

 Pentremitidea, ii, 470 

 Peorian interglacial formation, 



iii, 494 

 Peorian interglacial stage, iii, 392 

 Peralkalic rocks, i, 458 

 Percalcic rocks, i, 458, 459 

 Perchaerus, iii, 253 

 Perfelic rocks, i, 456 

 Perfemane, i, 455 

 Perfemic rocks, i, 454 

 Perferrous rocks, i, 459 

 Peridotites, i, 416, 453 

 Periodicity of glaciation, iii, 433 

 Perisphinctes, iii, 91, 92 



tiziani, iii, 81 

 Perissodactyls, Eocene, iii, 235 



Miocene, iii, 284 

 Perlenic rocks, i, 456 

 Perlite, i, 408, 453, 472 

 Permian ammonites, ii, 653 



amphibians, ii, 646 



arthropods, ii, 652 



Australia, ii, 632 



brachiopods, ii, 653 



cephalopods, ii 653, 654 



deformation, ii, 656 



Europe, ii, 625 



fishes, ii, 652 



flora of America, ii, 642, 643 



foreign, ii, 625 



fresh-water life, ii, 652 



gastropods, ii, 653 



glacial beds of India, ii, 634 



glacial beds of South Africa, ii. 

 635 



glacial epoch, geographic fea- 

 tures of, ii, 675 



glaciation of Australia, ii, 632 

 explanation of, ii, 674, 676 

 localization of, ii, 674 



India, ii, 634 



Kansas, section of, ii, 622 



land animals of, ii, 646 



life of, ii, 640 



marine fauna, ii, 652, 654 



pelecypods, ii, 654 



Pennsylvania, ii, 620 



Period, ii, 619 



plant life of, ii, 642 



problems of, ii, 655 



relation of Triassic to, iii, 47 



reptiles, ii, 647 



