INDEX 



607 



Corethraster, 298 



Corium (Moll.), 39 ; (Echin.), 414 



Corona, 339 



Coronaster, 299 



Corpus epitheliale, 171 



Corylocrinus, 332 



Coryptella, 13 



Costals (Grin.), 371 



Oranchia, 24 



Crassatella, 49 



Crassatellidce, 17 



Crenella, 115 



Crepidididce, 138 



Cribrella, 299 



,, sexradiata, 506 

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

 tion, 413 ; ovarial pinnule, section, 500 

 Crioceras stage, 68 

 Crista acustica, 169 

 Oromyocrinus, 304 

 Orossaster, 298 

 Crotalocrinidoe, 308 

 Crotalocrinus, 308 



,, pulcher, 373 



,, rugosus, arm disc, 372 



Cryptoblastus, 315 

 Oryptochiton, 41 

 Cryptodon Moseleyi, 50 

 Cryptoschisina, 315 

 Gryptozonia, 297 

 Crystalline stylet, 191 

 Ctenidium, 84, 85 

 Ctenodiscus, 296 



* ,, procurator, 296 



Ctenopidce, 102 

 Cucumaria, 287 



crocea, 502 



crudfera, cruciform body, 337 



doliolum, section, 517 



frondosa, 488 



Lacazii, 464 



,, losvigata, 502 



longipeda, "stool," 337 



mimita, 502 



planci, 287 



Culcita, 297 

 Cidtellus, 19 

 Gupressocrinus, 304 

 Cuspidaria, 21 

 Cuspidaridce, 21 

 Cuttlefish ( = Cephalopoda], 21 

 Cuvierian organs (Hoi.), 488 

 Cyatliocrinidce, 304 

 Cyathocrinus, 304 ; apical system, 329 



,, lonyimanus, 304, 364 



Cyclas, 81 



cornea, development, 262, 263 

 Cyclophoridce, 5 

 Cydophorus, 100 

 Cydostoma, 100 



,, elegans, nervous system, 139 ; 



radula, 182 

 Cydostomidce, 6 



Cylichna, 46 



Cynibulia, 11 ; larva, 257 

 Cymbulidce, 11 

 Cymbuliopsis, 11 

 290 



Cypraea, 5 

 Cypraeidce, 5 

 Cyrena, 17 

 Cyrenidce, 17 

 Cyrtoceras group, 68 



,, vesica, gonads, 499 



idea, 313 

 CystoUastus, 313 



,, Leuchtenbergi, 312 ; apical 



side, 332 



Cystocidaris ( = Echinocystites), 289 

 Cystocidaroida, 289 

 Cystocrinoidea, 313 

 Cystoid stage, 544 

 Cytherea (Meretrix), 18 

 chione, shell, 63 



DAUDEBARDIA (Helicophantd), 9 

 brevipes, 9 



/""/#, intestine, section, 



39 ; uephridia, 220 ; 

 pallial organs, 76, 77 

 saulcyi, 76 



Decadocrinidce, 304 

 Decadocrinus, 304 

 Decapoda, 24 

 Deima, 285 

 DeimoMdce, 285 

 Delphinulidce, 170 



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

 Dendrochirotce, 287 

 Dendrocrinidce, 304 

 Dendrocrinus, 304 

 Dendronotidce, 13 

 Dentalium, 13, 33 ; shell, 59, 156 



,, entcde, 113, 159 ; alimentary 

 canal, 193 ; larva, 258 ; on- 

 togeny of, 258 

 Dermatobranchus, 48 

 Deziobranchced, 11 

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

 Diadema, 290 



setosum, 392 ; compound eye, 



469 



Diadematidoe, 290 

 Diadematoida, 290 



,, apophyses, 350 



Dialyneurous nervous system (Gastr.), 138 

 Diaphragm (Ceph.), 127 ; cartilage, 127 

 Diaulula, 13 

 j Dibranchia, 24 ', eye development, 171 ; 



musculature, 127 ; shells, sections, 69 

 Diceras, 18 

 Dichocrinus, SOS 

 Dicyclic base (Criu.), 328 

 Dicydica, 304 



