INDEX 



60^ 



C'orethraster, 39S 



Coriiim (Moll.), 39 ; (Ecliin.), 414 



Corona, 339 



Coronaster, 299 



Corpus epitheliale, 171 



Corylocrimis, 332 



Coryptella, 13 



Costals (Crin.), 371 



Oranchia, 24 



Crassatella, 49 



Crassatellidce, 17 



Crenella, 115 



Crepidulidce, 138 



CribTella, 299 



,, sexradiata, 506 

 Crinoidea, 302-316 ; arm, 372 ; arm, sec- 

 tion, 413 ; ovarial pinnule, section, 500 

 Grioceras stage, 68 

 Crista acustica, 169 

 Cromyocrinus, 304 

 Crossaster, 298 

 Crotalocrinidce, 308 

 Orotalocrinus, SOS 



,, pulcher, 373 



,, rugosus, arm disc, 372 



Cryptoblastus, 315 

 Cryptochiton, 41 

 Cryptodon Moseleyi, 50 

 Cryptoscliisma, 315 

 Gryptozania, 297 

 Crystalline stylet, 191 

 Ctenidium, 84, 85 

 Ctenodiscus, 296 



,, procurator, 296 



Gtenopidce, 102 

 Cucumaria, 287 



,, crocea, 502 



„ crucifera, cruciform body, 337 



„ doliolum, section, 517 



„ frondosa, 488 



„ Lacazii, 464 



„ Icevigata, 502 



„ longipeda, "stool," 337 



,, minuta, 502 



„ planci, 287 



Culcita, 297 

 Cultellus, 19 

 Cupressocrlnus, 304 

 Ctispidaria, 21 

 Cuspidaridce, 21 

 Cuttlefish ( = Cephalopoda), 21 

 Cuvierian organs (Hoi.)) 488 

 Cyathocrin idee, 304 

 Gyathocrinus, 304 '■> apical system, 329 



,, longimanus, 304, 364 



Cyclas, 81 



„ cornea, development, 262, 263 

 Cydophoridce, 5 

 Cydophorus, 100 

 Cyclostoma, 100 



,, elegans, nervous system, 139 ; 



radula, 182 

 Gyclostomidce, 6 



Cylichna, 46 



Cymhulia, 11 ; larva, 257 

 Gymbulidce, 11 

 Gyvibuliopisis, 11 

 Cyphosotna, 290 

 Cyphosomatidoe, 290 

 Gypraea, 5 

 Gypraeidce, 5 

 Gyrena, 17 

 Qyrenidce, 17 

 Cyrtoceras group, 68 

 Cystechinus, 293 



,, vesica, gonads, 499 



Gystidea, 313 

 Cystoblastus, 313 



,, Leuchtenhergi, 312 ; apical 



side, 332 

 Gystocidaris {= Echinocystites), 289 

 Cystocidaroida, 289 

 Cystocrinoidea, 313 

 Gystoid stage, 544 

 Cytherea (Meretrix), 18 

 „ chione, shell, 63 



Daudebardia {Helicophanta), 9 

 „ brevipes, 9 



i „ '/'ufa, intestine, section, 



39 ; nephridia, 220 ; 

 pallial organs, 76, 77 

 ,, saidcyi, 76 



Decadocrinidce, 304 

 Decadocrinus, 304 

 Decapoda, 24 

 Deivm, 285 

 Deimatidoe, 285 

 Delphinulidce, 170 



Deltoid plates (Blast.), 331 ; (Crin.), 364 

 Deiidrochirotce, 287 

 JJendrocrinidce, 304 

 Dendrocrinus, 304 

 Dendronotidce, 13 

 Dentalium, 13, 33 ; shell, 59, 156 



,, entaJe, 113, 159 ; alimentary 



canal, 193 ; larva, 258 ; on- 

 togeny of, 258 

 Derr)iatobranchus, 48 

 Dexiobrancluxa, 11 

 Dextral twist (Gastr.), 56, 60, 160 

 Diadema, 290 



,, setosum, 392 ; compound eye, 

 469 

 Biadenuitidce, 290 

 Diadematoida, 290 



,, apophyses, 350 



Dialyueurous nervous system (Gastr.), 138 

 Diaphragm (Ceph.), 127 ; cartilage, 127 

 Diaulida, 13 

 Dibra7ichia, 24 ; eye development, 171 ; 



musculature, 127 ; shells, sections, 69 

 Diceras, 18 

 Dichocrinus, 308 

 Dicyclic base (Crin.), 328 

 Dicyclica, 304 



