606 



COMPARATIVE ANATOMY 



Carina (Echinoid.), 401 

 Carinarw, 90, 109 

 Carolia, 63 

 Carpocrinus, 301 

 Caryocrimis, 313 



„ ornatus, apical capsule, 332 



Cassidaria tyrrheiia, 163 

 Cassidiidw, 6 

 Cassiduloidea, 293 

 Cassidulus, 293 



„ pacijicics, perisome, 348 

 Cassis sulcosa, 6 

 Gatillocrimis, 304 

 Catopygus, 293 

 Caudina, 287 

 Cavolinia, 11 



„ tridentata, 91 

 Cavoliniidw, 11 ; diagram, 80 

 Centrodorsal, 375 

 Centrostephanus longispinus, pedicellaria:>, 



397 

 Gephalaspidce [Bulloidea], 10 

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



disc, 103 

 Cephalodiscxis dodecalophus, 596 ; sections, 



597, 598 

 Ceplialophora, 3, 177 



Cephalopoda, 21 - 25 ; eye, development, 

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

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

 retinal cells, 173 

 Cerata, 98 



Ceratodes {see Arapullaria), 161 

 Cerithiidce, 6 

 Cidaris, 290 ; spine of, 389 



„ canalicidata, 502 



„ hystrix; peristome, 344 



,, membranipora, 502 



„ nutrix, 502 



„ papiUata, oral area, 345 



„ tribuloides, surface of test, 389 

 Cidaroida, 290 ; apojjliyses, 350 

 Oionella, 75 

 Girrhoteuthidce, 24 

 Cirrhoteuthis, 54 ; shell of, 127 

 Cirrobranchia, 12 

 Chcctasfrr, 298 

 Clurfn,l,rn„i, .;, 88 

 Chcctodiriiiiitidte, 3 

 Choetodermatina, 3 

 Clyxtodermidce, 3 

 Chama, 18 

 Chamacea, 51 

 Chambered sinus, 446 

 Chamidce, 18 

 Chenopidce, 6 

 Chiasma nervorum brachialium (Crin.), 



377, 460 

 Chiastoneury, 135, 136, 137 

 Chirodota, 288 



„ rot if era, 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 cajctaniis, 165 



,, lasvis, 88, 165 



,, Pallasii, 82 



,, Polii, 165 ; development, 249 



,, rubicundus, 129 



,, siculus, 165 ; nervous system, 130 

 Chitonellus, 3 ; section, 41 

 Chitonidce, 2 ; gills, 87 

 Chlamys, 17 



Choanomphalus Maacki, 160 

 Choristes, 108 

 Chroma tophores, 53 

 Chromodoris, IS 

 Cionella, 75 

 Cladohepatica, 13 

 Clausilia, 8 

 Clavagella, 21 

 Clavagellidce, 21 

 Clavulse (Echinoid.), 391 

 Cleiocrinus, 309 

 Cleodora, 30 

 Clio, 11 



,, striata, anatomy, 190 

 Clione, 90 

 Clionidce, 11 

 Clionopsidce, 11 

 Clionopsis, 90 

 Clypeaster, 291, 292 



„ rosaceus, apical system, 322 



Clypeastridoe, 291 



Clypeastroida, 291 ; system of plates, 346 

 Clypeus, 293 

 Cnemidaster, 298 



,, Wyvilli, 297 



Codaster, 315 ; ambulacrum section, 383 



bilobatus, 314 

 CtnhMcridce, 315 

 Codechinus, 290 

 Ccelopleurus, 290 

 Collyrites, 293 



„ elliptica, apical system, 325 

 Collyritidce, 293 

 Colochirus, 287 



,, cueumis, calcareous body, 337 



Colonibellinida:, U 

 Columella, 123 

 Columellar muscle, 120-123 

 Columna (Crin. ), 373 

 Columnals, 373 



Columnar layer of shell (Moll.), 57 

 Comatulida', 313 

 Conchyolin, 26, 57 

 Conida', 6 

 Conoclypeus, 291 

 Cora lliophila , 183 

 Corcdliophillidw, 183 

 Corbicida, 17 

 Corhis, 93 

 Cvrbida, 19 



