556 



Paleontological Index 



Pelmatozoa, 337. 



Pentameracea, 343. 



PentameridiE, 342, 



Pentamerus, 79. 



Pentamerus galeatus, 70, 341!. 



Phacopidse, 497. 



I'hacops, 45)7. 



Phacops logani, 131, 167, 168, 169, 497, 



rana, 188. 



sp., 131, 45)8. 

 Phaethonides cyclurus, 491. 

 Pholidops, 293, 296. 

 Pholidops arenaria, 29G. 



calceola, 295. 



iufrasilurica, 295. 



lamellosa, 295. 



linguloides, 295. 



multilamellosa, 126, ISl, 182, 293, 

 294. 



oblata, 295. 



ovata, 118, 126, 150, 151, 162, 294. 



terminalis, 295, 296. 



tumida, 126, 182, 294. 

 PinnidiE, 454. 

 Platyceras, 409. 

 Platyceras cf. gebhardi, 190. 



angulare, 130, 476. 



callosum, 130, 474. 



gebhardi, 130, 184, 186, 470, 482. 



gebhardi var. ventricosum,,130, 471. 



gracile, 130, 478. 



magnificum, 130, 183, 184, 188, 473. 



multisinuatum, 130, 477. 



newbcrryi, 130, 479. 



nodosum, 130, 186, 190, 469. 



patulum, 130, 473. 



(Platyostoma) callosum, 474. 



platystomum, 130. 473, 477. 



reflexum, 130, 184, 473. 



sinuatum, 130, 474. 



sp.. 150. 169, 182. 



spiral?, 130, 168, 478. 



subconicum, 130, 184, 479. 



subfalcatum, 130, 472. 



tenuillratum, 130, 476. 



tortuosum, 184, 188, 469, 479. 



trilobatum, 130, 475. 



ventricosum. 184, 186, 471. 

 Platyostoma, 483. 

 Platyostoma depressa, 482. 



desmatum, 483. 



niagarense. 130, 157, 483. 



sp., 135, 147. 



vcntricosa, 482. 

 I'latypoda, 467. 

 PlotbomytUus, 453. 

 Pletborhyncha, 354, 376. 

 Plethorhyncha barrandii, 184, 188, 189, 

 359. 



campbollana, 117. 



pleiopleura, 184, 186, 360. 



praespeciosa, 89, 178. 



speciosa, 183, 184, 185, 186. 

 Pleurodictyum, 218. 



Pleurodictyum lenticulare, 124, 178, 218. 

 Pleuropboridffi, 463. 

 I'leurotomaria, 465. 

 Pleuiotomaria labrosa, 130, 465. 

 Pleurotomaridas, 465. 

 Polypora, 283. 

 Polypora compacta, 126, 175, 284. 



dictyota, 126, 146, 147, 150, 151, 

 283. 

 Pontocypris, 541. 

 Pontocypris arcuata, 132, 146, 541, 542. 



mawi, 541. 



mawil var. brevlata, 132. 



smithl, 540, 541. 

 Porifera, 195. 

 Primitia concentrlca, 131, 517. 



cumberlandica, 131, 146, 516. 



divisa, 516. 



humllls, 104, 131. 



postturgida, 131, 515. 



semlnulum, 520. 

 Primitiella, 518. 

 Primitiella variolata, 131, 518. 

 Prionodesmacea, 450. 

 Prismatophyllum inequalls, 205. 

 Productidoe, 335. 

 Productus, 438. 

 Proetus cf. protuberans, 130, 178, 490. 



pachydermatus, 130, 489. 

 Proetidae, 489. 

 Proparia, 494. 

 Protremata, 297. 

 Pseudocrinites, 236, 240, 241. 

 Pseudocrinites abnormalis, 124, 238. 



clarki, 125, 135, 236, 237, 238, 240. 



claypolei, 236. 



elongatus, 125, 238, 241. 



gordoni, 101, 124, 135, 234, 236, 238, 

 240. 



perdewi, 125, 135. 236, 242, 244. 



stellatus, 124, 135, 239. 



subquadratus, 125, 237, 241, 242. 

 Pteriidae, 455. 

 Pterinacca, 450. 

 Pterinea, 450. 

 Pterinea halli, 129, 450. 

 Pterineidffi, 450. 

 Pterygotus, 69. 

 Ptilodictya, 288. 

 PtUodictya angusta, 289. 



frondosa, 111. 



gladiola, 289. 



tenella, 126, 145, 146, 163, 388. 

 Ptilodictyonidffi, 288. 

 PyramidoUidiP, 467. 



