332 



INDEX OF GENERA. 



PAGE. 



Ormoxylon, n 33 



Ornithichnites, ia 241 



Orodus, m 235 



Orthacanthus, m. . .236,321 



Orthis, f. 116, 296 



Orthisina, /. 120 



Orthoceras, n z.l73, 244, 307 



Orthogoniopteris, / 33 



Orthodesma, n 199, 311 



Orthonema, K 155 



Orthonota, / 199, 311 



Oi-thonotella, / 311 



Orthoni) cilia 155 



Orthopleurodus, m. . . . 321 



(Jrthostoma, n 155 



Ortunia 206 



Ostrea 199,311 



Pachyorinus, m 84 



Pachydictya, /. . .. 292 



Pachijloerinus 284 



Pi(r./hiiphyllum 33 



Puchyphyllum, n 59 



Paehypora, /. 272 



Pachypteris, /. 33 



Palseacis, / 43, 261 



Pala-acmsea, / 155, 303 



Pal;i'anatima, /. 199 



Paloiarca 199 



Palfoaster, m 84, 284 



Palii.'asterina, / 85, 285 



Patechinus, m 85 



Palcoobatls, m 321 



Palseocampa, / 226 



Palseocardia, / 199 



PalsBocaris, / 2il 



Pala30chorda, / 33, 254 



Palseocoma, / 85 



Palseocrinus, m 85 



P.alseocyclus, »i 59,272 



Palasocystite.s, m. 85 



Palajomaiion, f. . 43, 261 



Pal.Toneilo,/ 199, 311 



PaliBoniscus, m 236, 321 



Palaeopalffimon, m. . 318 

 Pala3ophycus, n 33, 254 



Palajophyllum, n 59 



I'iili(ji)]iti'ri« 33 



Piihiiilriichis 59 



Palaeotrochus, ut ... 303 



Pa)ivi>xyris, f. 33, 2.54 



Palcsohara, / 99, 292 



Palmdiulfs, 254 



Panopma 199 



Pantylu8, m 324 



Paolla, f 226 



Paraoyolas, f.. 199, 312 



Paradoxides, m 221 



PariotichuB in 324 



Parioxys, m 324 



Parisocrinus .... 285 



1'mki'<m(1ub, to 43 



Patella, f 303 



Pattersonia, /. 261 



Peoopteris, J 34, 254 



I'erten 200 



Pelioii, m 241 



Peltodiis, m 236 



Pi'Uimi. 221 



PAGE. 



Pemphigaspis, / 221 



Pentaerinites 85 



Pentagonia, /. 120 



Pentagonites 85 



Pentamerella, / 120 



Pentamems, vi ....120,296 



Pentremites, m 85, 285 



Peplorhina, / 236 



Purpicltiicfinus 285 



Pei-ipleotrodufi, m 236 



Peripristis, m 321 



Pernopectfn, m . . 200, 312 



Peronopora,/ 272,292 



Petalichnus, m 309 



Petalodus, m 236, 321 



Petalorhynchus, n. .237, 321 



Petlgopora, / 292 



Petraia, /. 59 



Petraster, m. . . . 86 



Petrodus, m 237 



Phaoops, /. 221 



Phsenopora, /. 99 



Phanerotinus, );j ...155,303 

 Phoebodus, m. . .... 237 



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



Phillipsastrea, / 59, 272 



Philocrinus 86 



Phlegethontia, / . . . .241 



Pholadella, / 200 



Pholadomt/a 312 



Pholidocidaris, in 86 



Pholidops, / 121 



Phractopora, / 292 



Phragmooeras, n'...178, 309 



Phrnfimolites 155 



Phragraostoma, a . .155, 303 



Phthonia, / 200 



Phyllodictya, /. 292 



Phyllograptus, la 59 



Phyllopora, ./'. 99, 292 



Phyllopteris. /. 35 



Physetocrinus, la 86, 285 

 Physonemus, m . . 237, 321 



Physopliycus, // 35, 255 



PhytoUtlais 35, 255 



Phytopsis, /. 35 



Pii-opsis .' 155, 303 



Piliolit.'s 222 



Piloceras, „ 178, 309 



Pinna,/ 200,312 



Ph^psis 200 



Phmulai-ia, / 35 



PisoorinuB, in 285 



Placunopsis, / . . . 200 



PlanoUtes 314 



Ptanorbis . . 155 



Plasmopora, / 59 



Platephemera. f .. ..226 

 Platyceras, /j..."l55, 245, 303 

 Platycrinus, m 86, 285 



Platyodus, m 237 



Plati/notus ... 222 



Platyschisma, n. . . . .157 



Platysomus, m 237 



Platystoma, u .157, 245, 303 



Platystrophia 121 



PlaBmopoi-a, .f. 59 



Plectambonitvtt 121 



PAGE. 



Plectostylns 157 



Pleuracaiithus, m 237 



Pleurocystites, m 88 



Pleurodictyum, m....59, 272 



PleuronotuB, m 303 



Pleurophorus, m 200 



Pleuioptyx, /. 241 



Pleurorhynchus .. . 201,312 

 Pleurotomaria,/.157, 245,303 



Plicatula 121 



Plumulina, / 59, 272 



PlumuliteB, m 222, 318 



PnigeacanthuB, m.. .237, 321 



Poecilodus, m 237, 322 



Polycronites 178 



Polydilaama 59 



Polygnathus, m. .... 314 

 Polypheraopsis,/.161,245,304 



Polypora, /. 99, 292 



Polyporites, m 35, 255. 



PolyrhizoduB, m 237 



Polyspora 255 



Porambonites, ra .. .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, to 315 



Priuniitits 59 



Prisconaia, /. 312 



Pri-mopora,,/ 293 



Piisticladodus, m 238 



Pristodus, m 238 



Pi-octeria, f 272 



Productellii, f. 121 



Productus, in 122, 245, 296 



Proetus, m 222, 318 



PromacruB, m 201 



Protarsea, / 60 



Protaster, to 89, 287 



Protastrrina 287 



Prothyrls,/ 201 



Protiehnites, m 222, 319 



ProtobleL-linum, n. . . . 255 



Protocyathus, m 261 



ProtOBcolex, m 315 



Protostlgma, / 255 



PrototaxiteB, in 35 



Psamraodus, to 238,322 



Psaronius, m 35 



PBephodus, m 238, 322 



Pseudocrania, /. 124 



Pseiidomonotis, /.. 201, 312 



Pseudopecopteris, /. 255 



Psilophyton, n 35, 256 



Pterlchthys, to 238, 322 



Pterinea,/ 201,312 



Pteroceplialia, / 319 



Pieronautilus, m 178 



Pteronitella, / 202 



Pteronites, in. 202, 312 



Pterotheca, / 142 



Pterotocrlnus . in ... .89, 287 

 Pterygotus, m. . . . 223, 319 



