INDEX. 



798 



Phalangista, 424.? 

 Phanerostomurn senarium, 



474. 

 Pharella Dakotensis, 478. 

 Phascolarctos, 424.? 

 Phascolomys. 424.? 

 Phascolotherium Bucklandi, 



453, 462.* 

 Phillipsastrea Verneuili, 273* 

 Phillipsia, 370. 



Cliftonensis, 349. 



major, 343. 



Missouriensis, 349. 



serninifera, 319.* 

 Phlogopite, 57.? 

 Phoca, 529.§ 



Wymatii, 521. 

 Pholadomya Fidicula, 464. 



gibbosa, 4(34. 



occidentalis, 479. 



papyracea, 478. 

 Phonolite, 87.? 

 Phosphatic nodules, 66, 67 • 

 Phragmoceras, 214.§ 



immaturum, 214. 

 Phryganea, 42J.? 

 Phyllograptus Typus, 191.* 

 Phyllopods, 154.? 



a comprehensive type, 

 597. 



first of, 19 i. 



range of, in time, 402. 

 Physa heterostropha, 347. 

 Pbyseter, 529.? 

 Physiography, 2.? 

 Physiographic Chart, 11, 42, 

 587. 



Geology. 7,? 9. 

 Phytopsis tubulosus, 211. 

 Phytosaurus. 437.? 

 Pictet on Dinosaurs, 346. 



on Tertiary mammals, 

 529. 

 Pictured rocks, 174. 

 Pierre-a-bot, 545. 

 Pierre group, 469. 

 Pillared rocks, 174. 

 Pinites Brandlingi, 337. 

 Pinna, 399. 



peracuta, 349. 

 Pinnigrades, 422.$ 

 Pinnularia asquaiis, 631.* 



borealis, 631.* 



peregrina, 166,* 512. 



viridis, 631.* 



viridula, 631 * 

 Pinus Strobus, 166* 

 Pitchstone, S8.g 

 Pith of Conifers, 337. 

 Pithecus, 529, 584. 

 Pittsburg coal-bed, 330. 

 Placodus impressus, 438. 

 Placoganoids, 279.? 

 Placoids, 277.? 

 Plagiaulax, 438.? 



Becklesii, 463. 



minor, 463. 

 Plagiostoma gigantea, 454,* 



464. 

 Pliinerkalk, 480. 

 Planorbis, first of, 453. 

 Plants, subdivisions of, 165.? 



number of living species 

 of, 575. 



Plants, Palaeozoic, number of, 

 295. 

 rank of earliest, 396, 596. 

 and animals, distinctions 



of, 747. 

 changed "to graphite, in 

 gneiss in Connecticut, 

 409. 

 terrestrial, in Carboni- 

 ferous, 333. 

 terrestrial, in Catskill 



beds, 292. 

 terrestrial, in Chemung 



group, 289. 

 terrestrial, in Devonian, 



302. 

 terrestrial, in Hamilton 



period, 282. 

 terrestrial, in Ludlow 



beds, 264. 

 terrestrial, in Silurian, 



256, 263, 264. 

 terrestrial, of Tertiary, 

 512, 525. 

 Plant-growth of the Carboni- 

 ferous, 363. 

 Plantigrades, 422.? 

 Plaster of Paris, 64.? 

 Plastic clay, 522. 

 Plateaus, 16,? 21. 

 Platinum, age of, 413. 

 Platyceras, 267.? 

 angulatum, 241.* 

 dumosum, 275. 

 ventricosum, 255. 

 Platycrinus Saffordi, 312.* 

 Platyostomft IN iagarensis,241.* 

 Platyrrhines, 422.? 

 Plectrodus, 264.? 

 Pleistocene of Lyell, 523.? 



See POST-TERTIARY. 



Plesiarctomys, 529.? 

 Plesiosaurs, 452.? 

 Plesiosaurus costatus, 437. 



dolichodeirus, 452, 456 * 



Hawkinsii, 437. 



macrocephalus, 452, 457.* 



range of, 487. 

 Pleurocystis squamo&us, 212.* 

 Pleurodonts, 346.? 

 Pieurophorus subcuneatus, 



370* 

 Pleurosigma angulatum, 166.* 

 Pleurotomaria Anglica, 464. 



Calcifera, 192. 



carinata, 319. 



expansa, 464. 



granulata, 464, 465. 



gregaria, 192. 



lenticularis, 213,* 224. 



litorea, 233. 



ornata, 459. 



spherulata, 349.* 



tabulata, 349* 

 Plicated rocks, effects of ero- 

 sion of, 681. 

 Plicating force acting from 

 the ocean, 410. 



force, amount of, 410. 



force slow and long con- 

 tinued, 411. 

 Plication of clayey layers, 71 6.* 



of layers caused by slides. 

 650, 716. 



Plications, cause of, 716. 



Appalachian, characters 



of, 406. 

 map of axes of, in Penn- 

 sylvania, 406.* 

 of Azoic, 140.* 

 Pliocene, 506,? 523. ' 



plants of, in Europe, 525. 

 See, further, Tertiary. 

 Pliolophus, 529.? 

 Pliopithecus, 529.? 

 Plombieres, zeolites formed 



at, 716. 

 Plumbago, 64 v 

 Plumbaginous schist, 77.? 

 Plymouth group, 294. 

 Poacites, 336.? 

 Pocillopora, 618.? 

 Podozamites lanceolatus, 420.* 

 Poebrotherium, U. Missouri, 



519. 

 Poikilitic group, 372. 

 Point Levi, rocks of, 175. 

 Pollicipes, first of, 455. 

 Polycystines, relations of, 748. 

 of Barbadoes.- &c, 612. 

 in Richmond Tertiary,512. 

 Polyhalite, 86.? 

 Polynesian chain of islands, 



33.* 

 Polyps, 158.? 163. 

 first of true, 208. 

 range of, in time, 400. 

 Polyptychodon, 482. 

 Polythalamia. See Rhizopods. 

 Ponent series, 380. 

 Poranibonites, 183.? 

 Porcelain jasper, 79.? 

 Porcelanite, 79.? 

 Porceilia, 296.? 

 Porcellio, 151.* 

 Porcupine, 423.? 

 Porites, 163, 618.? 

 Porphyrine, 79.? 

 Porphyry, 79.? 87.£ 

 Portage group, 287. 

 Porter's Creek group, 509. 

 Portland dirt-bed, 447, 453. 



Oolite. 448. 

 Portlandian group, 449. 

 Posidonia, 426.? 



Bronnii, 449, 464. 

 Keuperiana, 438. 

 minuta, 426,* 436* 

 Posidonia schists, 449. 

 Post-meridian series, 379. 

 Post-tertiary period, sub- 

 divisions of, 535. 

 geographical progress in, 



546, 552, 568. 

 change in the system of 

 geological progress in- 

 troduced with, 535, 569. 

 elevated beaches of, 549. 

 fossils of, in Canada, 552. 

 in Europe, 558. 

 lacustrine formations, 548. 

 life of Australia, 566. 

 mammals cotemporane- 

 ous with man, 576, 577, 

 578, 581. 

 mammals of Europe, 559. 

 mammals of North Ame- 

 rica, 561. 



