252 



INDEX OP GENERA. 



PAGE. 



Pterinea, f. 201 



Pteronautilus, m 178 



Pteronitella, f. 202 



Pteronites, m 202 



Pterotheca, / 142 



Pterotocrinus, m 89 



Pterygotus, m 223 



Ptilocarpus, m 35 



Ptilodictya, / 100 



Ptilograptus, m 60 



Plilonaster 89 



Ptilopora, /. 100 



Ptychaspis, /. 223 



Ptychodesma, n 202 



Ptychophyllum, n 60 



Ptyctodus, m 238 



Ptyonius, m 241 



Pugiuncudus 142 



Pupa, f. 162 



Pygopterus, m 238-241 



Pygorhynchus, n 89 



Pyrenomoeus, mi 202 



QueMledlia 60-245 



Raniceps 241 



Eaphistoma, n 162 



Rastrites, m 60 



Eeceptaculites, m 43 



Remopleurides, ti 223 



Rensselceria, /. 124 



ReteporaJ 100 



Retiocrinus, m 90 



Retiograptus, m 60 



Retiolites, m 60 



Retzia, / 124 



Rhabdaria, /. 44 



Rhabdichnites 223 



Rhabdocarpus, m 36 



Rhachiopteris, /• 36 



Rhacophyllum, « 36 



Rhinopora, / 100 



Rhizodus, m 238 



RhizolUlies 36 



Rhizomopteris, f 36 



Rhodocrinus, m 90 



Rhombopora, /. 60 



Rhynchodus, m 238 



Rhynchonella, /. 125 



Rhynchospira, f. 128 



Rhynoholus 128 



Ribeiria, / 44 



RiiiodvLS 238 



Rotalia, f 44 



Rotulaiia 36 



Rusichnites, in 223 



RusophycuB, u 36 



Saccocnnus, m 90 



Sserichnites, m 178 



Sagenai!a 36 



Sagenella, /. 100 



Salterella, f. 206 



Sandalodus. m 238 



Sanguinolaria, /. 202 



Sanguinolites, m 202 



Sarcinula, /. 60 



Sauripieris 238 



Sauropleura, /. 241 



Sauropus, m 241 



PAGE. 



Scalites, m 162 



Scaphiocrinus, m 91 



Scenella, f 142 



Schsenaster, m 91 



Schizocrania, / 128 



Schizocrinus, m 91 



Schizodus, m 203 



Schizopteris 36 



Schutzia, / 36 



Scolithus, m. 36 



Scolopendrites, m 36 



Scyphia 44 



Scyphoorinus, m 91 



Sedgwickia, /■ 203 



Selaginites, m 36 



Selenoides 44 



Semicoscinium, n 101 



Sei-pula 206 



iSerpulites, m 206 



Septopora, /. 101 



Shumardia, / 223 



Sigillaria, f 37 



Sigillarioides, m 38 



Siphonia 44 



Skenidium, n 128 



Smithia, /■. 60 



Solarium 162 



Svlemya 204 



Solen, m 204 



Soleniscus, m 162 



Sole)iocaris 223 



Solenocheilus, n 178 



Solenomya, / 204 



Solenopleura, / 223 



.Solenopsis, /. 204 



Sphferexochus, m 223 



Sphserocoryphe, / 223 



Sphwrocrhius 91 



Sphicrocystites, m 91 



Sphierolites, m 60 



Sphenophyllum, n 38 



Sphcnopteris, / 38 



Sjih-'iiiijiterinm 44 



Sphi-'nothalluB, m 39 



Spheropezium, n 242 



Spirifera, /. 128 



Spiriferina, f. 133 



Spirigrra 133 



Sipirophyton, n 39 



Spirorbis, m 207 



Sjiinda 1 78 



Spongia 44 



Sporangites, >rt 39 



.''taphylopteris, f 39 



Staurograptus, m 60 



Steganocrmus, m 91 



Stellipora, / 60 



Stemmatodus, m 239 



Stenacanthus, m 239 



Stena8ter,m 91 



Stenopora, /. 60 



Stenoschisma, ?j 133 



Stenotheca, f 142 



Stephanocrinus, m 92 



Sternbergia, f. 39 



Stictopora, / 101 



Stigmaria, / 40 



PAGE. 



Stigraarioides, m 40 



Straparollina, f 162 



StraparoUus, m 162 



Streblopteria, / 204 



Streptaxia, m 163 



Streptelasma, n 61-245 



Streptoceras, n 178 



Streptorhy nchus, n 134 



Striatopora, / 61-245 



Strkklandia 134 



Stricklandinia, / 134 



Strobilocystites, to 92 



Stromatocerium, n 61 



Stromatopora, / 61 



Strombodes, m 62 



.'^trophalosia, / 1 35 



Strophodonta, / 135 



Strophomena, / 136 



Strophostylus, in 163 



Strotocrinus, m 92 



Stylifer 163 



Subulites, m 163 



.Synbathocrinus, m 92 



.Synocladia, / 101 



Syntrielasma, n 138 



Syringocrinus, m 92 



Syringodendron, n 40 



Syringopora, /. 62 



Syringostroma, n 62 



Syringothyris, f- 138 



Syrlngoxylon, n 40 



Tseniaster, m 92 



Tseniopora, f 101 



Tseniopteris, f- 40 



Tanaodus, m 239 



Taxocrinus, m 92 



Technocrinus, m 92 



Telephus, TO 223 



Trirma 204 



Tellinomya, f. 204 



Tellinopsis, /' 205 



Temnocheilus, n 178 



Tentaculites, m 142 



Terataspis, / 223 



Terebratula,/. 138-245 



TerebnitidiWs 139 



Tetradium, « 62 



Tetragraptus,»H 62 



Thaleops, /. 223 



Thamniscus, m 101 



Thamnograptus, m 63 



Theca, f 142 



Thecia, / 63 



Thecostegites, m 63 



Thenaropus, m 242 



Thrinacodus, m 239 



Thyrsidium, n 242 



Thysanocrinus, m 93 



Trachy domia, n 163 



Trachypora, f. 63 



Trachyum, n 44 



Tremanotus, m 164 



Trematis, f 139 



Trematocriiius 93 



Trematodiscus, m 179 



Trematopora, / 101 



Trematospira, / 1 



