332 



INDEX OF GENERA. 



PAGE. 



Ormoxylon, n . . 33 



Ornithichnites, m 241 



Orodus, m 235 



Orthacanthus, m.. .236, 321 



Orthis, f. 116, 296 



Orthisina, /. 120 



Orthoceras, n .173, 244, 307 



Orthogoniopteris, /. 33 



Orthodesnia, n 199, 311 



Orthonema, n 155 



Orthonota, f 199, 311 



Orthonotella, / 311 



Orthonychia 155 



OrthopleuroduB, m. . .. 321 



Orthostoma, n 155 



Ortonia 206 



Ostrea 199,311 



Pachycrinus, m, 84 



Pachydictya, / 292 



Pachylocrinus 284 



Pachyphyllum 33 



Pachyphyllum, ri. 59 



Pachypora, /. : 272 



Pachypteris, /. 33 



Palseacis,/ 43, 261 



Palaeacmasa, / 155, 303 



Palaeanatima, /. 199 



Palcearca 199 



Palseaster, m 84, 284 



Palseasterina, / 85, 285 



Palaechinus, m 85 



Palaeobatis, m 321 



Palaeocampa, / 226 



Palaeocardia, / 199 



Palseocaris, /. 221 



Palaeochorda, / 33, 254 



Palaeocoma, / 85 



Palaeocrinus, m 85 



Palaeocyclus, m 59, 272 



Palaeocystites, m 85 



Palseomanon. / . 43, 261 



Palaaoneilo, /. 199, 311 



Palseoniscus, m 236, 321 



Palaeopalaamon, m. . 318 

 Palaeophycus, n . . . 33, 254 



Palaeophyllum, n 59 



Palceopteris 33 



Palasotrochis 59 



Palaeotrochus, m . . . 303 



Palaeoxyris, /. 33, 254 



Paleschara, / 99, 292 



Palmacites, 254 



Panopoea 199 



Pantylus, m 324 



Paolia, / 226 



Paracyclas, f. 199, 312 



Paradoxides, m 221 



Pariotichus m 324 



Parioxys, m 324 



Parisocrinus 285 



Pasceolus, m .43 



Patella,/. 303 



Pattersonia, /. 261 



Pecopteris, / 34, 254 



Pecten 200 



Pelion, m, 241 



Peltodus, m. 236 



Peltura 221 



PAGE. 



Pemphigaspis,/. 221 



Pentacrinites 85 



Pentagonia, /. 120 



Pentagonites 85 



Pentamerella, /. 120 



Pentamerus, m 120, 296 



Pentremites, m 85, 285 



Peplorhina, /. 236 



Pereichocrinus 285 



Periplectrodus, m 236 



Peripristis, m 321 



Pernqpect^n, m . . 200, 312 



Peronopora,/ 272, 292 



Petalichnus, m 309 



Petalodus, m 236, 321 



Petalorhynchus, n. .237, 321 



Petigopora, / 292 



Petraia, /. 59 



Petraster, m 86 



Petrodus, m 237 



Phacops, f\ 221 



Phaenopora, /. 99 



Phanerotinus, m. . . .155, 303 



Phoebodus, m 237 



Phillipsia, /. ...221, 245, 318 



Phillipsastrea, / 59, 272 



Philocrinus 86 



Phlegethontia, / 241 



Pholadella, / 200 



Pholadomya 312 



Pholidocidaris, ?» 86 



Pholidops, /. 121 



Phraetopora, / 292 



Phragmoceras, n. ...178, 309 



Phragrnolites 155 



Phragmostoma, n. . .155, 303 



Phthonia, f 200 



Phyllodictya, /. 292 



Phyllograptus, m 59 



Phyllopora, /. 99,292 



Phyllopteris. /. 35 



Physetocrinus, m . 86, 285 

 Physonemus. m ...237,321 



Physophycus, n. 35, 255 



Phytolithus 35, 255 



Phytopsis, /. 35 



Pileopsis 155, 303 



Piliolites 222 



Piloceras, n .... 178, 309 



Pinna,/. 200,312 



Pinnopsis ... 200 



Plnnularia, / 35 



Pisocrinus, m 285 



Placunopsis, / 200 



Planolites 314 



Planorbis . . . 155 



Plasmopora, / 59 



Platephemera, / 226 



Platyceras, W...155, 245, 303 

 Platyerinus, m . . . 86, 285 



Platyodus. m 237 



Platynotus 222 



Platyschisma, it, 157 



Platyeomus, m 237 



Platystoma, n .157, 245, 303 



Platystrophia 121 



Plasmopora, /.. 59 



Plectambonites... 121 



PAGE. 



Plectostylus 157 



Pleuracanthus, m 237 



Pleurocystites, m 88 



Pleurodictyum, n... .59, 272 



Pleuronotus, m 303 



Pleurophorus, in 200 



Pleuroptyx, /. 241 



Pleurorhynchus .. . 201,312 

 Pleurotomaria,/.157, 245,303 



Phcatula 121 



Plumulina, / 59, 272 



Plumulites, m 222, 318 



Pnigeacanthus, m.. .237, 321 



Poecilodus, m 237, 322 



Polycronites 178 



Polydilasma 59 



Polygnathus, m. ...314 

 Polypheraopsis./.161,245,304 



Polypora, /. 99, 292 



Polyporites, m 35, 255 



Polyrhizodus, m 237 



Polyspora 255 



Porambonites, m .. .121, 296 



Porcellia, /. 161, 304 



Pontes 59 



Porocrinus, m 88, 286 



Posidonia, / 201,312 



Posidonomya, /. . . . .201, 312 

 Poteriocrinus, m 88, 286, 325 



Prasopora, /. 272, 293 



Primitia,/. 222, 318 



Prioniodus, m 315 



Prionotus 59 



Prisconaia, /. 312 



Pri-mopora,,/ 293 



Pristicladodus, m 238 



Pristodus, m 238 



Procteria, /. 272 



Productella, f. 121 



Productus, m 122, 245, 296 



Proetus, m 222, 318 



Promacrus, m 201 



Protaraea, f 60 



Protaster, m. 89, 287 



Protasterina 287 



Prothvris,/. 201 



Protiehnites, m 222, 319 



Protoblechnum, n 255 



Protocyathus, m 261 



Protoscolex, m 315 



Protostigma, / 255 



Prototaxites, m 35 



Psammodus, m 238, 322 



Psaronius, m 35 



Psephodus, m 238, 322 



Pseudoci-ania, /. 124 



Psetidomonotis, /.. 201, 312 



Pseudopecopteris, /. 255 



Psilophyton, n 35, 256 



Pterichthys, m..V . 238, 322 



Pterinea, f 201, 312 



Pteroceptialia, / 319 



Pieronautilus, m 178 



Pteronitella, / 202 



Pteronites, m 202, 312 



Pterotheca, / 142 



Pterotoerinus. rn ... .89, 287 

 Pterygotus, m 223, 319 



