332 



INDEX OF GENEEA. 



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 



Orthodesma, n. . .. . .199, 311 



Orthonema, n 155 



Orthonota, / 199, 311 



Orthonotella, / 311 



Orthonychia . . 155 



Orthopleurodus, m. . . 321 



Orthostoraa, n 1 55 



Ortonia 206 



Ostrea 199,311 



Pachycrinus, m 84 



Pachydictya, / 292 



Pachylocrinus. ... 284 



Pachyphyllum.. ^ .33 



Pachyphyllum, n 59 



Pachypora,/. 272 



Pachypteris, /. 33 



Palaeacis,/ 43, 261 



Palaeacmaea, / 155, 303 



Palseanatima, /. 199 



Paloearca 199 



Palpeaster, m 84, 284 



Palseasterina, / 85, '285 



Palsecliinus, m..: 85 



Palseobatis, m 321 



Palaeocampa, / 226 



Palseocardla, / ] 99 



Palseocaris, /. 221 



Palaeochorda, / 33, 254 



Palseocoma, / 85 



• Palaeocrinus, m 85 



Palseocyclus, m 59, 272 



Palaeocystites, w. 85 



Palseomanon, / . 43, 261 



Palseoneilo, /." 199, 311 



Palaeoniscus, m 236, 321 



Palaeopalaemon, m. . 318 

 Pal aeoph yens, n . . . 33, 254 



Palseophj^llum, n 59 



Palceopteris 331 



Paloeotrochis . , 59 



Palaeotrochus, m .. . 303 



Palseoxyris, /. 33, 254 



Paleschara, / 99, 292 



Palmacites, 254 



Panopcea 199 



Pantylus, m 324 



Paoli'a, / 226 



Paracyclas, f. 199, 312 



Paradoxides, m 221 



Pariotichns w 324 



Parioxys. m 324 



Parisocrinus 285 



PHSceoluB, m 43 



Patella, /. . 303 



Pattersonia, /. 261 



Pecopteris, J 34, 254 



Pecten 200 



Pelion, m. 241 



PeltodiiB, m 236 



Peltura 221 



PAGE. 



Pemphigaspis, /. 221 



Pentacrinites 85 



Pentagonia, /. 120 



Peritagonites 85 



Pentamerella, / 120 



Pentamerus, ni 120, 296 



Pentremites, m 85, 285 



Peplorhina, / 236 



Pereichocrinus 285 



Periplectrodufi, m 236 



Peripristis, m 321 



Pernopecten, m . . 200, 312 



Peronopora, / 272, 292 



Petalichnus, m 309 



Petalodus, w 236, 321 



Petalorhynchus, n. .237, 321 



Petigopora, / 292 



Petraia, /. 59 



Petraster, m 86 



Petrodus, m 237 



Phacops, /. 221 



Phsenopora, /. 99 



Phanerotiniis, m 155, 303 



Phoebodus, m. 237 



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



Phillipsastrea, / 59, 272 



Philocrinus 86 



Phlegethontia, / 241 



Pholadella, / 200 



Pholadomya 312 



Pholidocidaris, m 86 



Pholidops, /. 121 



Phractopora, / 292 



Phragmoceras, n. ...178, 309 



Phragmolites 155 



Phra'gmostoma, n. . .155, 303 



Phthonia, / 200 



Phyllodictya, /.. 292 



Phyllograptus, m 59 



Phyllopora, /. 99, 292 



Phyllopteris. /. 35 



Physetocriniis, m 86, 285 

 Physonemus, m . . .237, 321 



Physophycus, n. 35, 255 



Phytolithus 35, 255 



Phytopgis, /. 35 



Pileopsis .... 155, 303 



PiUolites 222 



Plloceras, n 178, 309 



Pinna,/ 200,312 



Pinnopsis 200 



Pinnularia, / 35 



Pisocrinus, m 285 



Placunopsis, / 200 



Planolites 314 



PJanorb's 155 



Plasmopora, / 59 



Platepheniera, f . .226 



Platyceras, W...155, 245, 303 

 Platycrinus, m . . . 86, 285 



Platyodus, w 237 



Platynotus 222 



Platyschi.sina, n. 157 



Platysomus, m 237 



PlatyBtoma, n .157, 245, 303 



Platystrophia. 121 



Plasmopora,/. 59 



Flectamhofiitcs... 121 



PAGE. 



Plectostylus ... .157 



Pleuracanthus, m. .... .237 



Pleiirocystites, m 88 



Pleurodictyum," n... .59, 272 



PleuronotUB, m 303 



Pleurophorus, m 200 



Pleuroptyx, /. 241 



Pleurorhynchns .. . 201,312 

 Pleurotomaria,/.157, 245,303 



Plicatula 121 



Plumulina, f 59, 272 



Plumulites,'w 222, 318 



Pnigeacanthus, m.. .237, 321 



Poecilodus, m 237, 322 



Poiycronites 178 



Polydilasma 59 



Polygnathus, w. 314 



Poly pheraopsis/. 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 



Poteriocrinas, 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, f 272 



Productella, f. 121 



Productiis, m 122, 245, 296 



Proetus, m 222, 318 



Promacrus, ni 201 



Protanea, / 60 



Protaster, m 89, 287 



Protasterina 287 



Prothyris,/ 201 



Protichnites, m 222, 319 



Protoblechnum, 71 255 



Protocyathus, m 261 



Protoscolex, m . . .. . . 315 



Protostigma, / . 255 



Prototaxites, m 35 



Psammodus, m 238, 322 



Psaronius, m 35 



Psephodns, m 238, 322 



Pseudocrania, /. 124 



Psendoraonotis, /.. 201, 312 



PsendopecopteriB, /. 255 



Psilophyton, n 35, 256 



Pterichthys, m 238, 322 



Pterinea,/ 201,312 



Pterocephalia, / 319 



Pieronautilus, m 178 



PteronitcUa, f 202 



Pteronites, m 202, 312 



Pterotheca, / 142 



Pterotocrlnus. m 89, 287 



Pterygotus, m 223, 319 



