INDEX OF GENERA. 



86 1 



Coroniceras, n, II 183 

 Corycephalus, m, II 324 

 Corydalites, m, II 442 

 Corydocephalus, m, II 309 

 Corymbites, m, II 447 

 Coscinella, f, I 158 

 Coscinium, n, I 161 

 Cranaena, f. I 302 

 Crania, f, I 206 

 Craniella, f, I 208 

 Craspedophyllum, n, I 75 

 Crassatellites, m, I 540 

 Cratoparis, m, II 446 

 Crayfish, II 389 

 Cremastorhynchus, n, II 



446 

 Crenella, f, I 522 

 Crenipecten, m, I 495 

 Crepicephalus, m, II 283 

 Crepidula, f, I 713 

 Crepipora, f, I 122 

 Crickets, II 444 

 Crinoidea, II 488 

 Crioceras, n, II 198 

 Cristellaria, f, I 9 

 Crotalocephalus, m, II 319 

 Crotalocrinus, m, II 561 

 Crucibulum, n, I 714 

 Crustacea, II 250 

 Cryphaeus, m, II 329 

 Cryptoblastus, m, II 485 

 Cryptocephalus, m, II 447 

 Cryptonatica, f, I 719 

 Cryptonella, f, I 301 

 Cryptorhynchus, n, II 446 

 Cryptorhytis, f, I 772 

 Cryptostomata, I 140 

 Cryptozoon, n, I 46 

 Ctenobolbina, f, II 353 

 Ctenocephalus, m, II 260 

 Ctenodonta, f, I 393 

 Ctenopyge, f, II 281 

 Ctenostomata, I 116 

 Cucullaea, f, I 405 

 Cumingia, f, I 569 

 Cuneamya, f, I 378 

 Curculionidae, II 446 

 Curculiopsis, f, II 441, 445 

 Cuspidaria, f, I 532 

 Cuttle fish, II 233 

 Cyathocrinus, m, II 506 

 Cyathophyllum, n, I 65 

 Cychrus, m, II 448 

 Cyclendoceras, n, II 43 

 Cycloceras, n, II 57 

 Cyclometopa, f, II 393, 394 

 Cyclonema, n, I 668 

 Cyclora, f, I 673 

 Cyclorhapha, f, II 454 

 Cyclospira, f, I 309 

 Cyclostomata, I 118, 166 

 Cyclostomiceras, n, II 119 



Cyclus, m, II 399 

 Cylichna, f, I 810 

 Cymatoceras, n, II 108 

 Cymbiodyta, f, II 448 

 Cymbophora, £, I 571 

 Cymella, f, I 531 

 Cymindis, f, II 448 

 Cynipidae, II 449 

 Cynodonta, f, I 782 

 Cyphaspis, f, II 302 

 Cyphosoma, n, II 587, 589 

 Cypraea, f, I 758 

 Cyprasid«, I 758 

 Cypricardella, f, I 534 

 Cypricardinia, f, I 535 

 Cypridea, f, II 365 

 Cypridina, f, II 363 

 Cyprimeria, f, I 562 

 Cyprina, f, I 537 

 Cypris, f, II 366 

 Cyrtactinoceras, n, II 116 

 Cyrtia, f, I 314 

 Cyrtina, f, I 312 

 Cyrtochoanites, II 113 

 Cyrtodonta, f, I 409 

 Cyrtolites, m, I 609 

 Cystiphyllum, n, I 62 

 Cystodictya, f, I 160 

 Cystoidea, II 458 

 Cythere, f, II 368 

 Cythereis, f, II 368 

 Cytherella, f, II 366 

 Cytherellina, f, II 365 

 Cytheridea, f, II 370 

 Cytherideis, f, II 367 

 Cytheropteron, n, II 370 



Dactylidia, f, I 796 

 Dactylioida, II 184 

 Daedalus, m, II 247 

 Dalmanella, f, I 259 

 Dalmanites, m, II 324 

 Dawsonoceras, n, II 58 

 Decadocrinus, m, II 510 

 Decapoda, II 386 

 Decatoma, f, II 449 

 Dekayella, f, I 132 

 Dekayia, f, I 133 

 Delphax, m, II 457 

 Delthyris, f, I 319 

 Dendrocrinus, m, II 504 

 Dendrograptus, m, I 26 

 Dendroidea, I 24 

 Dendropupa, f, I 821 

 Dentaliidae, I 578 

 Dentalium, n, I 578 

 Derby a, f, I 231 

 Dermaptera, II 444 

 Derobrochus, m, I 452 

 Desmoceras, n, II 171 

 Desmograptus, m, I 26 

 Diadema, n, II 586 



Diadematoida, II 577, 586 

 Diadocidia, f, II 455 

 Diamesopora, f, I 165 

 Diaphorostoma, n, I 679 

 Diastoporina, f, I 119 

 Dibranchiata, II 229 

 Dicaelus, m, II 448 

 Dicellograptus, m, I 32 

 Dicellomus, m, I 189 

 Dichocrinus, m, II 520 

 Dichograptus, m, I 28 

 Dichotrypa, f, I 161 

 Dicladoblatta, f, II 436 

 Dicranella, f, II 349 

 Dicranograptus, m, I 32 

 Dicranopeltis, f, II 310 

 Dictyonella, f, I 209 

 Dictyonema, n, I 24 

 Dictyospongia, f, I 14 

 Didymoceras, n, II 207 

 Didymograptus, m, I 30 

 Dieconeura, f, II 431 

 Dielasma, n, I 302 

 Digonioceratida, II 103 

 Dikellocephalus, m, II 284 

 Dilobella, f, II 347 

 Dimorphoceras, n, II 140 

 Dinobolus, m, I 190 

 Dinorthis, f, I 252 

 Diodoceras, n, II 106 

 Diplodonta, f, I 557 

 Diplograptus, m, I 33 

 Diplophyllum, n, I 73 

 Diplopoda, II 417, 419 

 Diplopodia, f, II 587 

 Diploporaria, f, I 151 

 Diplothecanthus, II 590 

 Diptera, II, 442, 454 

 Dipterocaris, f, II 384 

 Discinisca, f, I 205 

 Discoceras, n, II 72 

 Discocystis, f, II 473 

 Discosparsa, f, I 167 

 Discotrochus, m, I 102 

 Discotropites, m, II 161 

 Dizygocrinus, m, II 542 

 Dolatocrinus, m, II 556 

 Dolichoderus, m, II 449 

 Dolichopterus, m, II 410 

 Doliidae, I 760 

 Domatoceras, n, II loi 

 Dorycrinus, m, II 531 

 Dosiniopsis, f, I 565 

 Douvilleiceras, n, II 194 

 Dragon-flies, II 449 

 Drepanella, f, II 349 

 Drepanodus, m, II 245 

 Drillia, f, I 803 

 Dromiacea, II 393 

 Drymotrypa, f, I 141 

 Dryocaetes, m, II 446 

 Duncanella, f, I 76 



