510 
Ceriphasia, *247. 
Cenithiade, *242. 
Cerithidea, 36, *243. 
Cerithiopsis, *242 
Cerithium, *242. 
Cernina, *236. 
Ceromya, 467, *497. 
Ceronia, *485. 
Cerophora, 342. 
Ceylonese shells, 100. 
Cheena, *501. 
Chalidis, 340. 
Chama, 38, 131, *437. 
Chamide, *437. 
Chamostrea, *500. 
Cheiroteuthis, *170. 
Cheletropts, 212, 352. 
Chelidonura, *319. 
Chemnitzia, *239. 
Chenopus, 245. 
Chili, shells of, 114. 
Chilinia, *301. 
Chilostoma, *247. 
Chinese snails, 101. 
Chione, 473, 485. 
Chiorera, *338. 
Chironia, 459. 
Chiton, 23, 28, *282. 
Chitonellus, *284. 
Chitonide, *282. 
Chlorostoma, 264. 
Choanopoma, *307, 308. 
Chondropoma, 307. 
Chondrosepia, 168. 
Chonetes, *326. 
Choristites, 371. 
Choristodon, 476. 
Chorus, 223. 
Chromodoris, *329. 
Chrysodomus, 55, *218. 
Cilia, 42. 
Cingula, 255. 
Cinulia, *314, 
Cionella, 292. 
Circe, *464. 
Circulatory system, Brach- 
iopoda, 358. 
Cirroteuthis, *165. 
Cirrus, *271. 
Cistopus, 163. 
Cistula, *307. 
Cithara, *229, 
Clanculus, 265. 
Classification, 45. 
Clausilia, 37, 286, *294. 
Clausina, 456. 
Clavagella, *502. 
Clavati, *174. 
Clavatula, *229, 
Clavella, *218. 
Clea. 247 
Cleidophorus, 468. 
Cleidotherus, 500. 
Cleiothyris, 373, 378. 
Clementia, *475. 
Cleobis, 469. 
Cleodora, 347, #349, 
Clepsydra, 503. 
Cliidz, *353. 
INDEX. 
Climate, inf. of,on dist.,53. 
Clio, *353. 
Clio, 349. 
Cliodita, *353. 
Cliona, 34. 
Clione, 353. 
Clionella, *229. 
Clelia, 336. 
Clymenia, *190. 
Coccoteuthis, 168. 
Cochkdium, 217. 
Cochlitoma, 292. 
Cochlodesma, *495. 
Cochlodina, 294. 
Cochlohydra, 290. 
Codakia, 456. 
Ccelenterata, 2. 
Coleoprion, *350. 
Collar of mantle, 34. 
Collecting shells, 136. 
Collonia, *266. 
- Colour of sheils, 38. 
Columbella, 55, *226. 
Columbian region, 111. 
Columbinella, 227. 
Columella, 205. 
Columna, 292. 
Colus. 218. 
Cominella, 219. 
Concentric operc., 207. 
Conchifera, 5, 393. 
Conchifera, range in time, 
128. 
Concholepas, *222. 
Congeria, 423. 
Conide, *228. 
Conocardium, *454. 
Conoceras, 190. 
Conoheliz, 216. 
Conorbis, 228. 
Conoteuthis, *176. 
Conotubularia, 192. 
Conovulus, *304, 
Conradia, *253. 
Conularia, 2, 346, *850. 
Conus, 12, 24, 32, 33, 36, 
55, *228. 
Coralline zone, 152. 
Coralliophaga, *468. 
Corbicula, *462. 
Corbis, *457. 
Corbula, 457, 490, 491. 
Corbulomya, 490. 
Corephium, 284. 
Coret, 302. 
Corimya, 495. 
Coriocella, 237. 
Corniculina, 249. 
Coronati, *199. 
Corsican snails, 92. 
Coryphella, *335. 
Couthouyia, *253. 
Cranchia, *169. 
Crania, 42, *386. 
Craniade, *386. 
Craspedopoma, *309. 
Crassatella, 55, *466, 
Crassina, 464. 
Crenatula, *418, 
Crenella, 43, 55, *422, 
Crepidula, *27§, 
Creseis, *349. 
Creseis, 350. 
Crimora, *332, 
Crioceras, *199. 
Criopus, 386. 
Cristati, *198. 
Crossostoma, *266. 
Crucibulum, *276. 
Crypta, 277. 
Cryptella, 297. 
Cryptina, 431. 
Cryptocella, *238, 
Cryptoceras, *189. 
Cryptochiton, 284, 
Cryptoconchus, 284. 
Cryptodon, *456. 
Cryptogramma, 474. 
Cryptophthalmus, *816, 
Cryptostoma, 236. 
Crystalline stylet, 22. 
Ctenoconcha, 429, 
Ctenodonta, 427. 
Cucullza, *425. 
Cucullella, *427, 
Cultellus, *487. 
Cuma, *222, 
Cumingia, *483. 
Cuneus, 474, 485. 
Curtonotus, *431. _ 
Curve of shells, 204. 
Cuspidaria, 491. 
Cuthonia, *337. 
Cuttle fish, 8. 
Cuvieria, *349. 
Cyamium, *458. 
Cyathodonta, 495, 
Cycladide, *461, 
Cycladina, 459. 
Cyclas, 15, 29, 397, *46L, 
Cyclidia, 182. 
Cyclina, *475. 
Cycloceras, 190. 
Cyclonassa, 221. 
Cyclophorus, *308. 
Cyclostoma, 266. 
Cyclostoma, *306. 
Cyclostomide, *306, 
Cyclostrema, *266. 
Cyclothyris, 375. 
Cyclotopsis, 308. 
Cyclotus, *308, 
Cylichna, *317. 
Cylindra, *231. 
Cylindrella, 36, #293. 
Cylindrites, *313, 
Cyllene, *221. 
Cymba, 28, *231. 
Cymba, 278. 
Cymbiola, 230. 
Cymbulia, *351. 
Cymodocea, *354. 
Cynodonta, 216. 
Cyprea, 12, 24, 32, 25, 37 
55, *232, 
Cypraecassis, 224, 
Cypreide, *232, 
Cypricardia, *4G7 
