518 BULLETIN 
Cancellaria — Continued, 
candei 401. 
reticulata 390. 
Cancellaridte 390. 
Caracoling 381. 
Cardiacea 487. 
Cardiidae 487. 
Cardiomya 497. 
Cardium 487. 
antillarum 488. 
ceramidum 488. 
coccinea 476. 
mmrniferum 488. 
egmont ianum 488. 
elongatum 488. 
isocard ia 488. 
lsevigatum 489. 
leucostoma 488. 
lineatum 4S9. 
magnum 488. 
marmoreum 488. 
medium 488. 
multilineatum 489. 
muricatum 487. 
semisulcatum 489. 
serratum 489. 
spinosum 489. 
subelongatum 488. 
svbariticum 489. 
Caryatis 496. 
Cassidaria (see Sconsia). 
Cassiriidae 418. 
Cassis 418. 
flammea 418. 
inflata 418. 
testiculus 418. 
tuberosa 418. 
Cavilucina 493. 
Cavolina 361. 
gibbosa 361. 
inflexa 361. 
longirostris 361. 
trispinosa 361. 
uncinata 361. 
Cavolinidse 360. 
Cephalopoda 358. 
Cepolis 380. 
dermatina 380. 
diaphana 380. 
riisei 380. 
squamosa 380. 
Ceratozona rugosa 454. 
Cerion 376. 
crassilabre 376. 
microstoma 377. 
striate] lum 376. 
Cerithiidie 425. 
Cerithiopisidee 423. 
Cerithiopsis 424. 
crystallina 424. 
pulchella 424. 
pupa 424. 
subulata 424 
Cerithium 425. 
Cerithium (see Triforis). 
algicola 425. 
atratum 425. 
litteratum 425. 
minimum 426. 
OF THE UNITED STATES FISH COMMISSION. 
Cerithium — Continued, 
semiferrugineum 425. 
uncinatum 425. 
variabile 426. 
Chsetopleura janeirensis 451. 
Chama 495. 
arcinella 496. 
coralliophaga 496. 
macrophylla 495. 
sarda 495. 
Chamidse 495. 
Cheilea equestris 436. 
Chemnitzia ( see Turbonilla). 
Chicoreus 407. 
Chion 476. 
Chiton 453. 
assimilis 453. 
astriger 455. 
granuiatus 454. 
janeirensis 451. 
marmoratus 454. 
mucronulatus 454. 
rugosus 454. 
spiculosus 455. 
sqnamosus 453. 
tuberculatus 453. 
viridis 453. 
Chitonidte 451. 
Chlamydoglyphis 449. 
Chlamys 465. 
Chlorostoma 442. 
excavatum 443. 
fasciatum 443. 
maculostriatum 443. 
scalare 443. 
Choanopoma 435. 
decussatum 435. 
senticosnm 435. 
suleulosum 435. 
Chondropoma 435. 
blauneri 435. 
newtoni 435. 
swifti 435. 
terebra 435. 
Circe 487. 
Circe (see Meretrix). 
Circinaria 
concava 374. 
concolor 374. 
Circinariidse 374. 
Cistula 435. 
aguadillensis 435. 
lineolata 435. 
riisei 435. 
Clathurella 389. 
Clausiliidfe 375. 
Clausilia 
bicanaliculata 376. 
plicatula 375. 
Cleodora 
acicula 360. 
subula 360. 
Clypidella 448. 
Cocculina 440. 
portoricensis 440. 
rathbuni 441. 
Coeoulinida? 440. 
Cochlogena, 379. 
Codakia 491. 
costata 492. 
orbicularis 491. 
orbiculata 491. 
pectinella 492. 
portoricana 491. 
Colubraria lanceolata 416. 
Columbella 403. 
(See Nitidella.) 
albella 403. 
calliglypta 405. 
catenata 404. 
duclosiana 405. 
iontha 404. 
lunata 405. 
mercatoria 403. 
obesa 404, 405. 
ovulata 406. 
perpicta 405. 
pretrei 404. 
pulchella 404. 
saintpairiana 405. 
semipunctata 406. 
Columbellidse 403. 
Concha semiaurita 463. 
Conidse 383. 
Conus 383. 
agassizii 383. 
delesserti 383. 
mus 384. 
nebulosus 384. 
portoricanus 384. 
pyginteus 383. 
testudinarius 384. 
verrucosus 383. 
Coralliophaga coralliophaga 496. 
Coralliophila 411. 
abbreviata 412. 
galea 412. 
Coralliophilidae 411. 
Corbula 472. 
Corbula (see Cuspidaria). 
squivalvis 473. 
cjtribsea 473. 
cubaniana 473. 
dietziana 473. 
disparilis 472. 
knoxiana 473. 
swiftiana 473. 
Corbulidse 472. 
Cordieria 388. 
Crassatella 496. 
Crassatellites 496. 
guadelupensis 497. 
martinicensis 497. 
Crassatellitidie 496. 
Crassinella 496. 
Cremides 448. 
Crenella divaricata 471 
Crepidula 437. 
aculeata 437. 
plana 437. 
protea 437. 
riisei 437. 
Creseis 
spinifera 360. 
subula 360. 
Cryptodon (see Thyasira). 
obesus 490. 
