606 



COMPARATIVE ANATOMY 



Carina (Echinoid.), 401 

 Carinaria, 90, 109 

 Carolia, 63 

 Carpocrinus, 307 

 Caryocrinus, 313 



,, ornatus, apical capsule, 332 

 Cassidaria tyrrhena, 163 

 Cassidiidce, 6 

 Cassiduloidea, 293 

 Cassidulus, 293 



pacificus, perisome, 348 

 Cassis sidcosa, 6 

 Catillocrinus, 304 

 Catopygus, 293 

 Caudina, 287 

 Cavolinia, 11 



tridentata, 91 

 Cavoliniidce, 11 ; diagram, 80 

 Centrodorsal, 375 

 Centrostephanus longispinus, pedicellariap, 



397 



Cephalaspidce (Bulloidea), 10 

 Cephalic cartilage (Gastr.), 126 ; cone, 104 ; 



disc, 103 

 Cephalodiscus dodeccdophus, 596 ; sections, 



597, 598 



CepJudophora, 3, 177 



Cephalopoda, 21-25 ; eye, development, 

 171 ; embryo, 116 ; gonad, female, 230 ; 

 male, 231 ; ink-bag, 197 ; heart, 199 ; 

 retinal cells, 173 

 Cerata, 98 



Ceratodes (see Ampullaria), 161 

 Cerithiidce, 6 

 Cidaris, 290 ; spine of, 389 



canaliculata, 502 



hystrix, peristome, 344 



membranipora, 502 



nutrix, 502 



papillata, oral area, 345 



tribuloides, surface of test, 389 

 Cidaroida, 290 ; apophyses, 350 

 Cionella, 75 

 Cirrhoteuthidce, 24 

 Cirrhoteuthis, 54 ; shell of, 127 

 Cirrobranchia, 12 

 Chcetaster, 298 

 Chcetoderma, 3, 88 

 Chcetodermatidce, 3 

 Chcetodermatina, 3 

 Chcetodermidce, 3 

 Chaina, 18 

 Chamacea, 51 

 Chambered sinus, 446 

 Chamidce, 18 

 Chenopidce, 6 

 Chiasma nervorum brachialium (Crin. ), 



377, 460 



Chiastoneury, 135, 136, 137 

 Chirodota, 288 



roti/em, 402 

 Chiroteuthis, 24 

 Chiton, 3, 2 ; spine, 40 ; sections, 40, 212 ; 



ctenidium, 85, 87 ; heart, 199 ; 

 eye, section, 167 ; ovary, 227 ; 

 nephridial and genital systems, 

 217 

 Chiton cajetanus, 165 



Icevis, 88, 165 



PaUasii, 82 



Polii, 165 ; development, 249 



rubicundns, 129 



,s-/V/'///,s', 165 ; nervous system, 130 

 Chitonellus, 3 ; section, 41 

 Chitonidce, 2 ; gills, 87 

 Chlamys, 17 



Choanompfutlus Maacki, 160 

 Choristes, 108 

 Chromatophores, 53 

 Chromodoris, 13 

 c/ii/tella, 75 

 Cladohepatica, 13 

 Clausilia, 8 

 Clavagella, 21 

 Clavagellidce, 21 

 Clavulae (Echinoid.), 391 

 Cleiocrinus, 309 

 Cleodora, 30 

 Clio, 11 



striata, anatomy, 190 

 Clione, 90 

 Clionidce, 11 

 Clwnopsidce, 11 

 Clionopsis, 90 

 ClypeantiT, J!>1, 292 



rosaceus, apical system, 322 

 Clypeastridce, 291 



Clypeastroida, 291 ; system of plates, 346 

 Clypeus, 293 

 Cnemidaster, 298 



,, \Vi/riUi, 297 



Cadaster, 315 ; ambulacrum section, 383 



,. bilobatus, 314 

 Codasteridce, 315 

 Codechinus, 290 

 Ccdopleurw, 290 

 Collyrites, 293 



elliptica, apical system, 325 

 CoUyritidce, 293 

 Colochirus, 287 



,, cucumis, calcareous body, 337 

 Colombellinidce, 6 

 Columella, 123 

 Columellar muscle, 120-123 

 Columna (Crin. ), 373 

 Columnals, 373 



Columnar layer of shell (Moll.), 57 

 Comatulidce, 313 

 Conchyolin, 26, 57 

 Conidce, 6 

 Conoclypeus, 291 

 Coralliophila, 183 

 Corcdliophillidce, 183 

 Corbicula, 17 

 Corbis, 93 

 Corbula, 19 



