1586 



INDEX. 



Peridinium, no. 

 Periechocrinus, 426. 

 Peripatus, 581, 582. 

 Perischodomus, 377. 

 Perischoechinidce, 373, 375. 

 Perisphinctes ; 867. 

 Perlidce, 597. 

 Pern a, 704. 

 Pernopecten, 701. 

 Pernostrea, 697. 

 Peronella, 179. 

 Petraia, 265, 267. 

 Petraster, 396. 

 Petricola, 738. 

 Phacopidcs, 541. 

 Phacops, 541. 

 Phcedra, 557. 

 Phcenoschisma, 462, 464. 

 Phceodaria, 145, 146, 147. 

 Phalangidce, 577. 

 Phalaranea, 580. 

 Phanerozonia, 397, 398. 

 Pharetrones, 178, 179, 180, 181. 

 Pharetronidce, 179. 

 Pharetrospongia, 181. 

 Phasianella, 775, 776. 

 Phasmidce, 597. 

 Phillipsastrcea, 284, 290. 

 Phillipsia, 528, 543. 

 Pholadidce, 744. 

 Pholadidea, 744, 745. 

 Pholadomya, 751. 

 Pholadomyidce, 751. 

 Pholas, 745. 



Pholidophyllum, 283, 296. 

 Phormosoma, 380. 

 Phorus, 776, 777. 

 Phosphate of lime, 15. 

 Phragmoceras, 840, 841. 

 Phragmophora, 874. 

 Phryganeidce, 598. 

 Phrynidea, 579. 

 Phrynus, 580. 

 Phihanocoris, 595. 

 Phylactolasmatous Polyzoa, 612. 

 Phyllocarida, 512. 

 P/iylloceras, 858, 859. 

 Phylloceratidce, 858. 

 Phyllodocites , 484, 485. 

 Pkyllograptidce, 220, 221. 

 Phyllograptus, 220, 221. 

 Phyllopoda, 510. 

 Phyllopora, 626. 

 Phyllosoma, 564. 

 Phylloteuthis, 880. 

 Phymechinus, 383. 

 Physa, 814. 

 Physophoridce, 195. 

 Pikermi beds, 46. 

 Pileolus, 777. 

 Pileopsis, 764. 

 Piloceras, 838, 839. 

 Pinacoceras, 858. 

 Pinacoceratidce, 857. 

 Pinacopora, 338. 

 Pinna, 709. 



Pinnatopora, 627, 628. 



PinnidcB, 709. 



Pirena, 785. 



Pisania, 795. 



Pisidium, 738. 



Pisocrinus, 432. 



Placonella, 167. 



Placoparia, 537. 



Placotrochus, 266. 



Placiina, 697, 698. 



Placunopsis, 698. 



Plagioptychus, 732. 



Plagiostoma, 700. 



Planolites, 483. 



Planorbis, 814. 



Planorbulina, 133. 



Plasmopora, 338. 



Platephemera, 594. 



Platyceras, 764, 765. 



Platychonia, 167. 



Platycrinidce, 427. 



Platycrimis, 427, 428. 



Platyschisma, 771. 



Platystoma, 765. 



Platystrophia, 659, 660. 



Plectambonites , 662. 



Plectoderma, 173. 



Plesiastrcea, 272. 



Plesiofungidcs, 303. 



PlesioporitidcE, 305. 



Plesioteuthis, 880, 881. 



PlethospongicB, 160, 161. 



PleurobranchidcB ; 802. 



Pleurocera, 785. 



Pleurocystites, 449, 451, 456. 



Pleurodictyum, 316, 317. 



Pleurograpttis, 216. 



Pleuromya, 748. 



Plenronotus, 773, 774. 



Pleurope, 176. 



Pleurophorus, 723, 724. 



Pleuropygia, 649. 



Pleurotoma, 799. 



Pleurotomaria, 765, 766, 767. 



Pleurotomariidcz, 765. 



PleurotomidcB, 799. 



Plicatocrinidcs, 440. 



Plicatocrinus, 440. 



Plicatula, 699. 



Plinthosella, 167. 



Plocoscyphia, 175. 



Phimaster, 399. 



Plumulites, 501, 502. 



Plutonia, 529. 



Pocillopora, 244, 269. 



Pocilloporidce, 268. 



Podocyrtis, 148, 149. 



Podophthalmate Crustaceans, 556, 559. 



Podoseris, 304. 



Podura, 592. 



Pcecilas?na, 496, 502. 



Pcecilopoda, 546. 



Polir-schiefer, 33, 1490. 



Pollicipes, 502. 



Polychaetous Annelides, 470, 471. 



Polyccelia, 265, 267. 



