662 



INDEX OF GENERA. 



[POS. — SOT,. 



Posidonomya, / 

 Poteriocrinus, in 

 Prsecardiurn, n 

 Prasopora, / . 

 Prestwichia . . 

 Primitia, /' . . 

 Prioniodos, m 

 Prionotus . . . 

 Prisconaia, / . 

 Prismopora, f 

 Pristicladodus, in 

 Pristodus, /// . 

 Productella, / 

 Product us 

 Proetus, vi . . 

 Promacrus, m 

 Promylacris, n 

 Propteticus, in 

 Prorynchus, n 

 Proscorpius, 

 Protaraa, / . 

 Protaster, m . 

 Protasterina, . 

 Prothyris, / 

 Protiehnites, m 

 Protoblechnum 

 Protocaris, / . 

 Protocrisina, / 

 Protocyathux, m 

 Protograptus, /// 

 Protolimulus, m 

 Protomya, / . . 

 Protoscolex, m . 

 Protospongia, / 

 Proto8tigma, / . 

 Prototaxites, to 

 Prototypus, /// . 

 Proutella, / . . 

 Psammodu^, m . 

 Psaronius, m  . 

 Psephodus, m 

 Pseudocrania, / 

 Pseudomonotis, / 

 Pseudopecopter s, / 

 Pseudophorus, m 

 Psilophyton, n . 

 Pterichtbys, to . 

 Pterinea, / . . . 

 Pterinopecten, in 

 Pterocephalia, / 

 Pteronautilus, to 

 Pteronitella, / . 

 Pteronites, to . 

 Pteropora, . . . 

 Pterotheca, / . . 

 Pterotoerinus, m 

 Pterygotus, to . 

 Ptilocarpus, to  

 Ptilionella, . . . 

 Ptilodictya, / . 

 Ptilograptus, m 

 Ptilonaster, . . . 

 Ptilophyton, . . 

 Ptilopora, / . . 

 Ptiloporella, / . 

 Ptiloporina, / 

 Ptilotrypa,/ . . 

 Ptychaspis, / . . 



PAGE. 



. 504 

 . 273 

 . 504 

 . 201 

 . 561 

 . 561 

 . 520 

 . 201 

 . 504 

 . 317 

 . 608 

 . 608 

 . 862 

 . 363 

 . 561 

 . 504 

 . 580 

 . 581 

 . 504 

 .571 

 . 201 

 . 27i i 

 . 276 

 . 504 

 . 662 

 . 134 

 . 563 

 . 317 

 . 163 

 . 201 

 . 568 

 . 505 

 • 520 

 . 163 

 . 135 

 . 135 

 . 563 

 . 318 

 . 608 

 . 135 

 . 610 

 . 366 

 . 505 

 . 135 

 . 424 

 . 136 

 . 610 

 . 505 

 . 507 

 . 564 

 . 453 

 . 507 

 . 507 

 . 318 

 . 392 

 . 276 

 . 564 

 - 136 

 . 318 

 . 318 

 . 201 

 . 276 

 . 136 

 . 319 

 . 319 

 . 319 

 . 320 

 . 564 



PAGE. 



Plychocrinus, 276 



Ptychodesma, n . . . . 508 



Ptychonema, n 201 



Ptychoparia, / . . . . 564 

 Ptychophyllum, n . . . 201 



Ptychopteria,/ 508 



Ptyctodus, in 610 



Ptyonius, m 625 



Ptyonodus, /// till) 



Pugiuneuixu, 802 



Pupa, ./' 424 



Pyaudinya, / 509 



Pycnocnnus, m .... 276 



Pycnostylus, m 202 



Pygopterus, in . . . 611-625 

 Pygorhuticlni.f, n .  . . 277 

 Pyrenomo3U8, m . . . . 509 



ttedtia, 202 



Ramipoba,/ 320 



Ranicept, 826 



Raphistoma, n 424 



Rastrites, m 202 



RaullVlla,./ L68 



Receptaculites, in ... L68 

 Remopleurides, m . . 



Rensselairia, f 366 



Reptaria, f 320 



Retepora, /' 320 



Reteporina, / 320 



Retiocrinus, m 277 



Retiograptus, m . . . . 202 



Retiolites, m 202 



Retzia, /' 866 



Rhabdaria, / 164 



Rhabdichntfet, 566 



Rhabdocarpus, in . . . 136 

 Rhacbiopteris, / . . . . 137 



Rhachiloinus, in 625 



Rhacbura,/ 566 



Rhaeophylium, n ... 137 

 Rbadiuicbthys, m . . .611 



Rbinidictya, / 320 



Rhinipora,/ 321 



Rhinocaris, / 566 



Rhizodus, in 611 



Rhizograptus, m . .  . 202 



Rhizolithes, 138 



Rhizomopteris, f 138 



Rhizornorpha,/ .... 138 

 Rhodocrinus, in ... . 277 

 Rhombodictyon, n . . . 164 



Rhombopora, / 321 



Rhopalonaria, / .... 321 

 Rhynchodus, m . . . . 611 

 Rhyncbonella, / .... 367 



Rhynchospira, 370 



Rhynchotreta,/ .... 370 



Rhynobolw, 370 



Ribeiria, / 566 



Rinodus, 612 



Romingeria, / 203 



Rotalia, f 164 



Rotella, / 425 



Rotularia, 138 



Rusichnites, m 566 



Rusophycus, n 138 



PAG K. 



Saccammina, f 164 



Saccocrinus, m 278 



Saccospongia, f . . . .1(14 



Sserichnites, m 453 



Sagenaria, i:>s 



Sagenella, f 821 



Salterella./ 520 



Salteria, . . . . . . . ,686 



Bandalodus, m 612 



Sanguinolaria, /' . . .609 

 Sanguinolites, m . . . . 509 



Sao 566 



Saportsea, / 188 



Sarrinula, f 203 



Kauripleris, (>I2 



Sauropleura,/ 626 



Sauropus, m 626 



BcsBvogyra, /' ii^r> 



Scalaripora, / 321 



Bcalites, m 425 



Scapliiocriiius, m .... 279 



Scenella, f 302 



Bcenellopora,/ 322 



Sceptropora, / 322 



Schizambon, 870 



Scbizoblastus, m .... 281 



Bcbizobolus, in 370 



Schizocrania, /' 371 



Schizocrinns, m .... 281 



Schizodus, in 510 



Schizodiscus, m .... 566 



n. liizupteris, 138 



Schsenaster, m 281 



Schutzia,/ l.".(t 



Scoliostoma, n 425 



Scolithus, in 520 



Scolopendrites, m .... 139 



Scyphia, L64 



Scyphocrinus, m 2S1 



ScytaJocrinw, 2S1 



Beagwickia, / 51 1 



Srlnginites, m 139 



Selenoides, 164 



Selenopora, / 322 



Semicoscinium, n . . . 322 



Septopora, f 322 



Serpula,/ ' 521 



Serpulitt-s, m 521 



Sbumardia, / 566 



Sicarius, 612 



Sidemina, 458 



Sigillaria,/ 139 



Sigillarioides, m .... 141 

 Sigillariostrobus, in . . 141 



Siphonia, . . 164 



Siphonocrinus, m ... 2S1 

 Siphonotreta, / . . . .371 



Skenidium, n 371 



Smithia,/ 208 



Solenocaris, / 567 



Solarium, 425 



Solemya, 512 



Solen, to 512 



Soleniscus, m ..... 425 



Solenocaris, 566 



Solenocbilup, n 453 



Solenomya, / 512 



Bolenopleura,/ 567 



