OPH. — POS.] 



INDEX OF GENERA. 



661 



PAGE. 



Ophileta, / 413 



Opisthuptera 497 



Oracanthus, m 603 



Orbicula 356 



Orbiculoidea, / 356 



Orbitulites 161 



Ormatbichrms, m . . . .414 



Ormoceras, n 445 



Ormoxylon, n 130 



Ornithichnites, m • . . . 624 



Orodus, m 603 



Ortbacanthus, m . . . . 604 



Orthis, /' 356 



Orthisina,/ 360 



Orthoceras, n 445 



Orthodesma, n 497 



Orthogoniopteris, / . . . 130 



Orthonema, n 414 



Orthonota,/ 497 



Orthonotella, / 498 



Orthonychia 414 



Orthopleurodus, m . . . 604 



Orthopora, / 313 



Orthostoma, n 414 



Ortonia 519 



Oryctoblattina, / . . . .579 

 Oryctocephalus, m . .  558 

 Ostrea 498 



Pachycrinus, m . . . . 265 



Pachydictya, / 313 



Pachylocrinus 265 



Pachyphyllum 130 



Pachyphyllum, n . . . . 198 



Pachypora, / 199 



Pachypteris, / 130 



Palaeacis,/ 161 



Pakeacnnea, / 414 



Paleeanatina, / 498 



Palsearca 498 



Palseaspis, / 604 



Palreaster, m 266 



Palseasterina, / 266 



Palsecbinus, in 266 



Palseobatis, m 604 



Pala'ocampa,/ 573 



Pala'ocardia, / 498 



Paleeocaris, / 558 



Palseoconcha,/ 498 



Pakeochorda, / 519 



Palseocoma, / 266 



Palseocrinus, in 267 



Pakeocrusia, / . . . . 559 



Palseocyclus, /// 199 



Palii'ocystites, m .... 267 



Palseomanon, / 161 



Pateoneilo,/ 499 



Palseoniscus, m 604 



Pakeopakemon, m . . . 559 

 Pahieophycus, n .... 130 

 Palseophyllum, n . . . . 199 



Paleeopinna, / 499 



Paloeopteris 131 



Palseosolen, m 500 



Palseospongia, / . . . . 162 



Palceotrochis 199 



Palseotrochus, in ... . 414 

 Palxoxym, f 131 



PAGE. 



Paleschara,/ 313 



Palmacites 131 



Paneuka, / 500 



Panopsea 500 



Pantylus, m 624 



Paolia, / 579 



Paracardiuin,?/ 500 



Paraeyclas, / 500 



Paradoxides, >» 559 



Pararca, / 500 



Pariotichus, m 624 



Pai-ioxys, m 624 



Parisocrinus 267 



Paromylacris, n . . . . 580 



Pasceolus, m 162 



Patella, f 415 



Pattersonia, / 163 



Pecopteris, / 131 



Pecten 501 



Pelion, m 624 



Peltodus, m 605 



Peltura 560 



Pemphigaspis, / .... 560 



Pentacrinites 267 



Ptntagonia, f 360 



Pentagonites 267 



Pentamerella, / .... 360 



Pentamerus, m 361 



Pentremites, m 267 



Peplorhina,/ 605 



Pereichocrinus 269 



Periplectrodus, m . •■ . 605 



Peripristis, in 605 



Pernachactas 501 



Pernopecten, m . . . . 501 



Peronopora, f 199 



Petalichnus, m 452 



Petalodus, m 605 



Petalorhynchus, n . . . 606 



Petalotrypa,/ 314 



Petigopora,/ 314 



Petrablattina, f 580 



Petraia, / 199 



Petraster, m 269 



Petrodus, m 606 



Phacelopora, f 314 



Phacops,/ 560 



Phsenopora,/ 314 



Phsethonides, in . . . . 560 

 Phaneropleuron, n . . . 606 



Phanerotinus,m 415 



Pharetrella, / 392 



Phcebodus, in ...... 606 



Phillipsia, / 560 



Phillipsastrea,/ .... 199 



Philocrinus 269 



Phlegethontia. / .... 624 



Plioladella, / .' 502 



Pholadomya 502 



Pholidocidaris, in ... . 269 



Pholidops,/ 362 



Phractopora,/ 315 



Phragmoceras, n . . . . 452 

 Phragmodictya,/ . . . .163 



Phragmolites 415 



Phragmostoma, n . . . 415 

 Phthanocoris, /".... 580 



Phtbonia, / 502 



43 



PAGE. 



Phyllodictya, / 315 



Phyllograptus, in .... 200 



Phyllopora, / 315 



Phylloporina 315 



Phyllopteris, / 133 



Physetocrinus, m .... 269 

 Physonemus, m .... 606 



Phywphycus, n 133 



Physospougia, / . . . . 163 



Phytolithus 133 



Pkytopsis,/ 134 



Pileopsis 415 



Pileotrypa, / 315 



Piliolites 561 



Piloceras, n • . 453 



Pinacotrypa, / 315 



Pinna, / 502 



Pinnatopora 315 



Pinnopm 502 



Pinnularia, / 134 



Pisocrinus, m 269 



Placunopsis, / 502 



Plangtichnus, m . . . . 580 



Planolites 520 



Planorbis 415 



Plasmopora, / 200 



Platephemera, / . . . . 580 



Playceras, n 415 



Platycrinus, in 270 



Platycystites. in .... 272 



Platyodus, to 606 



Platynotus 561 



Platyschisma, n .... 418 



Platysomus, in 607 



Platystoma, n 418 



Platystrophia 362 



Plasmopora, / 200 



Plectambonites 362 



Plectosiylus 418 



Plethomytilus, in ... . 503 

 Pleuracanthm, to ... . 607 



Pleurocystites, to 272 



Pleurodictyuin,« .... 200 



Pleuronotus, to 419 



Pleurophorus, to .... 503 



Pleuroptyx, / 625 



Pleurorhynchus 504 



Pleurotomaria, /".... 419- 



Plicatula 362 



Plumulina, / 134 



Plumulites, in 561 



Pnigeacanthus, in . . . 607 



Poecilodus, to 607 



Poliochera, / 571 



Polycronites 453 



Polydilasma 200 



Polyernus, to 580 



Polygnathus, to ... . 520 

 Polyphemopsis,/ .... 423 



Polypora, / 315 



Polyporites, m 134 



Polyrbizodus, to ... . 607 



Polyspora 134 



Porambonites, to ... . 362 



Porcellia, f 424 



Pontes • .' 200 



Porocrinus, to 273 



Posidonia,/ 504 



