606 



COMPARATIVE ANATOMY 



Carina (Echinoid.), 401 

 C't.rinaria, 90, 109 

 Caroliu, 63 

 Carjjiici-iiinx, 307 

 Caryocrinus, -il-J 



,, ur/iuti's, apical capsule, 332 

 Cassidaria tyrrhcna, 163 

 Cassidiidce, 6 

 Cassidiiioiiii-ii, 293 

 Cassidulus, 293 



pacijicus, perisome, 348 

 Cassis sulcosa, 6 



s, 304 

 . ''93 

 Caudina, 281 

 Curnl inia, 11 



tfidcittattt, 91 

 Ciirnl liiiidce, 11; diagram, 80 

 Centrodorsal, 375 

 Centrostephanus longispiniis, pedicellariap, 



397 



Cfphalaspidte (Bulloidea), 10 

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



disc, 103 

 Cephalodiscus dodecalophus, 596 ; sections, 



597, 598 



Cfi>lnd.iiph<ifi.i, 3, 177 

 Ci'iihulupoda, 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 



iis, 29n ; spine of, 389 

 i-niiiilii-nlata, 502 

 hystrix, peristome, 344 

 membranipora, 502 

 rii.; 502 



i, oral area, 345 

 ,, friljufiiidcs, surface of test, 389 

 Cidaroida, .'!>; apophyses, 350 



Cin ,!,'//<'. 7.". 



,.'./ 



is, 54 ; shell of, 127 

 Cirrobi-n iii-liiii, 1 .' 

 Chcetaster, ^98 

 Ckcetoderma, .',. 88 

 (.'kii tndi-rnKitid.ee, 3 

 I '/m linli-riilfl.tuW., 3 



(_.'/,,> f mi, nuiilo:, 3 

 Cho.ina, 18 

 f'lin inn era, 51 

 Chambered sinus, 446 

 n:, 18 



ij;, 6 



C'hiasma uervorum brachialium (Criu.), 



377, 460 



Chiastoneury, 135, 136, 137 

 L'hi/'odota, 288 



riilifi'ra, 402 



ctenidium, 85, 87 ; heart. 199 : 



eye, section, 167 ; ovary, 227 ; 



uephridial and genital systems, 



217 



cujctaitii.f, 165 

 Icevis, 88, 165 

 Pallasii, 82 



Pulii, 165 ; development, 249 

 i-iiliii-i/ndus, 129 



sicidus, 165 ; nervous system, 130 

 Chitonellus, 3 ; section, 41 



< 'h ifniiiiln . : ; gills, 87 

 Chlamys, 17 



t'ltoaitiiiiiplialiis Mnackl, 160 

 Choristes, 108 

 Chromatophores, 53 

 Chromodoris, 13 



< 'ii'iidlu, 75 

 Cladohepatica, 13 

 C'lausilia, 8 

 Clavagella, 21 

 Clavo.gcUiili.i:, Jl 

 Clavulas (Echinoid.), 391 

 Cleiocrinus, 309 

 Cleodora, 30 



Clio, 11 



striata, anatomy, 190 

 Clioue, 90 



, 11 



( lionopsis, 90 

 Clypeaster, 291, 292 



rosaceus, apical system, 322 



Clypeastroida, 291 ; system of plates, 346 

 C!>/peus, 293 

 Ciiemidaster, 298 



Jl>////, 297 



<.',,(/iixfi',-, 315; ambulacrum section, 383 



,. bilobatux, 314 

 Codasteridce, 315 



y, 293 



ellipticu, apical system, 325 

 Col I yr it idee, 293 

 Colochirus, 287 



,'ii,',',ii /-, calcareous body, 337 



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



Columella, 123 



Columellar muscle, 120-123 



Columna (C'rin. ), 373 



Columuals, 373 



Columnar layer of shell (Moll.), 57 



ComutiiUdi.i , 313 



Conchyolin, 26, 57 



Conidce, 6 



Conodypeus, 291 



Coralliophila, 183 



Coralliophillida, 183 



( 'ni-bii-iiffi, li 



Corbis, 93 

 ', 19 



