INDEX OF GENERA. 



867 



Prismopora, f, I 162 

 Proarcestes, m, II 163 

 Probeloceras, n, II 138 

 Proboscina, f, I 118 

 Proclydonautilus, m, II 



109 

 Procydnus, m, II 456 

 Prodromites, m, II 147 

 Prodromus, m, II 440 

 Prodryas, f, II 454 

 Productella, f, I 240 

 Productus, m, I 243 

 Proetus, m, II 299 

 Prolecanites, m, II 147 

 Prolecanitida, II 147 

 Prolibythea, f, II 454 

 Prometopia, f, II 447 

 Pronemobius, m, II 444 

 Pronophlebia, f, II 455 

 Pronorites, m, II 149 

 Proparia, II 314 

 Propteticus, m, II 431 

 Proscorpius, m, II 416 

 Protaster, m, II 571 

 Protengonoceras, n, II 212 

 Protereisma, n, II 440, 

 Protereism-Ephemeridse, II 



439 

 Proterocameroceras, n, II 



39 

 Prothyris, f, I 2>77 

 Protobactrites, m, II 47 

 Protobalanus, m, II zy^^ 

 Protoblattoidea, II 431 

 Protocardia, f, I 560 

 Protocaris, f, II 332 

 Protochoanites, II 39 

 Protocycloceras, n, II 55 

 Protodonata, II 438 

 Protokionoceras, n, II 58 

 Protolenus, m, II 265 

 Protolimulus, m, II 401 

 Protorthis, f, I 211 

 Protorthoptera, II 429 

 Protospirialis, m, I 671 

 Protostephanus, m, II 449 

 Protosyngnatha, II 417, 



418 

 Protowarthia, f, I 611 

 Protozoa, I 7 



Protrachyceras, n, II 159 

 Protremata, I 209 

 Psecadia, II 454 

 Pseudocrinites, m, II 468 

 Pseudodiadema, n, II 586 

 Pseudolathyrus, m, I 778 

 Pseudomonotis, f, I 450 

 Pseudoniscus, m, II 403 

 Pseudophyllites, m, II 167 

 Pseudosageceras, n, II 152 

 Pseudospherexochus, m, II 



320 



Psiloconcha, f, I 386 

 Pteria, f, I 445 

 Pterinea, f, I 419 

 Pterinopecten, m, I 492 

 Pterocerella, f, I 755 

 Pteroch?enia, f, I 428 

 Pteronites, m, I 446 

 Pteropoda, II 15 

 Pterostichus, m, II 448 

 Pterostigma, n, II 457 

 Pterotocrinus, m, II 522 

 Pterygogenea, f, II 443 

 Pterygometopus, m, II 323 

 Pterygotus, m, II 411 

 Ptilodictya, f, I 155 

 Ptilograptus, m, I 27 

 Ptilopora, f, I 151 

 Ptomatis, f, I 624 

 Ptychaspis, f, II 278 

 Ptychoceras, n, II 201 

 Ptychodesma, n, I 455 

 Ptychomya, f, I 542 

 Ptychoparia, f, II 275 

 Ptychophyllum, n, I 62 

 Ptychopteria, f, I 449 

 Pugnax, m, I 295 

 Pugnellus, m, I 755 

 Pulmonata, I 811 

 Pupa, f, I 820 

 Pupidae, I 820 

 Purpuridae, I 787 

 Pursa, f, II 432 

 Puzozia, f, II 169 

 Pycnomphalus, m, I 672 

 Pycnostylus, m, I 61 

 Pyramidellidse, I 709 

 Pyramidula, f, I 822 

 Pyrgulifera, f, I 741 

 Pyrgulina, I 709 

 Pyropsis, f, I 765 

 Pyrula, f, I 760 



Radiolaria, I 12 

 Radiolites, m, I 552 

 Rafinesquina, f, I 211 

 Ranioidea, II 393 

 Raphidia, f, II 451 

 Raphidioidea, II 451 

 Raphistoma, n, I 627 

 Raphistomina, f, I 629 

 Receptaculites, m, I 18 

 Reduviidse, II 456 

 Remeleoceras, n, II 105 

 Remopleurides, m, II 26^ 

 Rensselseria, f, 1 300 

 Reptaria, f, I 120 

 Requienia, f, I 546 

 Reteocrinus, m, II 546 

 Reteporidra, f, I 147 

 Reticularia, f, I 337 

 Retiolites, m, I 34 

 Retzia, f, I 344 



Rhabdinoceratida, II 84 

 Rhinidictya, f, I 158 

 Rhinocaris, f, II 382 

 Rhinoclavis, f, I 749 

 Rhipidomella, f, I 262 

 Rhipiphoridae, II 446 

 Rhodocrinus, m, II 549 

 Rhoechinus, ni, II 582 

 Rhombopora, f, I 153 

 Rhombotrypa, f, I 131 

 Rhopalonaria, f, I 116 

 Rhynchonella, f, I 297 

 Rhynchophora, f, II 445 

 Rhynchopora, f, I 297 

 Rhynchospira, f, I 344 

 Rhynchotrema, n, I 281 

 Rhynchotreta, f, I 282 

 Rhytimya, f, I 526 

 Rhytophorus, m, I 814 

 Ribeiria, f, II 374 

 Rimella, f, I 757 

 Ringicula, f, I 808 

 Ringiculidae, I 807 

 Ringinella, f, I 808 

 Rissoidae, I 722 

 Rissoina, f, I 722 

 Roemerella, f, I 205 

 Romingeria, f. I 79 

 Rostellites, m, I 792 

 Ryticeras, n, II 79 

 Ryticeratida, II 76 



Saccocrinus, m, II 537 

 Sackenia, f, II 455 

 Saffordia, f, I 384 

 Sageceras, n, II 152 

 Sagenites, m, II 160 

 Salpingostoma, n, I 614 

 Salterella, f, II 9 

 Sanguinolites, m, I Z7^ 

 Saw flies, II 449 

 Saxicava, f, I 575 

 Scala, f, I 710 

 Scalaria, f, I 710 

 Scalariidse, I 710 

 Scalaripora, f, I 163 

 Scalarituba, f, II 247 

 Scalaspira, f, I 785 

 Scalites, m, I 630 

 Scalpellum, n, II 372 

 Scaphandridae, I 810 

 Scaphiocrinus, m, II 509 

 Scaphites, m, II 176 

 Scaphitida, II 176 

 Scaphopoda, I 578 

 Scarabaeidae, II 447 

 Scenella, f, I 608 

 Scenidium, n, I 270 

 Schistoceras, n, II 144 

 Schizoblastus, m, II 484 

 Schizobolus, m, I 203 

 Schizocrania, f, I 202 



