i:sD-EX. 



611 



Cypricarditcs, 422, 468. 

 Cyprina, 33, 55, *463. 

 Cyprinidae, *46:3. 

 <J3-provula, *233. 

 Oyreiia, *462. 

 CjjreneUa, 463. 

 Cyrenoides, *^463. 

 CjTtia, *372. 

 Cyrtoceras, *104. 

 Cyrtodaria, 493. 

 Cyrtolites, *345. 

 Cyrtidus, 218. 

 Cytlierea, 473. 



DactyKna, 504. 

 Dactylus, 313. 

 Daphnella, 229. 

 Daudebardia, *290. 

 Davidsonia, *3S2. 

 Davila, *485. 

 Decapoda, *166. 

 DecoUated shells, 36, 206. 

 Defrancia, 229. 

 DeJphinoidea, 256. 

 Delphinula, 266. 

 Delthyridcea, 365. 

 jDelthyris, 371. 

 Dendrodoris, 328. 

 Dendronotus, 327, *334. 

 Dendrostrea, 408. 

 DentaliadEe, *282. 

 Dentalium, 27, *282. 

 Deutati, n98. 

 Dentition, 208. 

 Dentition formula, 401. 

 Deridobranclius, *268, 

 Dermi-hranchiata, 339. 

 Deshayesia, *236. 

 Desmoidinsia, 221. 

 Development, 41, 287. 

 Diacria, 348. 

 Dladora, 274. 

 Diancliota, 414. 

 Dirqjhana, 317. 

 Dibaphus, *216. 

 Dibranchiata, *156. 

 Diceras, *439. 

 Dicoelosia, 380. 

 Didacna, 454. 

 Digitaria, 465. 

 Dimyn, 408. 

 Dimyary, 402. 

 Diodonta, 481. 

 Dio?ie, 474. 

 Dioecious. 40. « 

 Dipliyllidia, *325. 

 Dipilidia, 438. 

 Dip/oceras, 192. 

 Diplodonta, 455, *458. 

 Diplommatina, *309. 

 Disci, *193. 

 Discina, 357, *388. 

 Discinidse, *388. 

 Discites, *1S9. 

 Disciies, 411. 

 Discohelix, 253. 

 Discosorus, *193. 

 Dixpotcea, 276, 

 Diihyra, 393. 



Ditrcmnria, 271. 

 Dolabella, *321. 

 Dolahra, 431. 

 Dolabrifera, *321. 

 Dolium, 36, *225. 

 Dombeya, 301. 

 Donacida, 485. 

 Doiiacina, 486. 

 Donax, *485. 

 Doridae, *328. 

 Doridium, *319. 

 Doris, 14, 24, 327, "323. 

 Dorsanwn. 220. 

 Dosidicus, *173. 

 Dosinia, 4ri4,, 475. 

 Doto, 3.34. 

 Dredpiing, 140. 

 Dresscna, 37, *423. 

 Drillia, *229. 



Eburna, *221, 

 Ecculiomplialus, *345. 

 tJchinospira, 285. 

 Edmondia, *498. 

 Egeria, 485, 486. 

 Eggs, 40. 

 Ei^isia, 248. 

 Kidothea^ 319. 

 Elnsviatina , 294. 

 Electrina, 310. 

 Eledone, 27, «165. 

 Elenclius, 12, *265. 

 Elysia, *339. 

 Elysiadse, »339. 

 Emarginula, *275. 

 Einhla. 491. 

 Embletonia, *336. 

 Embrj'o, 44. 

 Encepliala, 3. 

 Endemic species, 51. 

 Endoceras, *192. 

 Endosiphonites, 190. 

 Enida, 265. 

 Enoplo-cliiton, 284 . 

 Enoploteuihis, *171. 

 Easatella, 487. 

 Ensis, 487. 

 Enieletcs, 380. 

 Entodesma, *499. 

 Enzina, 214. 

 Eolis, 23, 40. 

 Epidermis, 33, 400. 

 Epiphragm, 288. 

 Epitliyris, 363. 

 Ei'ato, «234. 

 Erodona, 490. 

 Ervilia, "485. 



Ei-ycina, 459, 473, 483, 484. 

 Eryx, 484. 

 Escutcheon, 400. 

 Eubranchus, 335. 

 Eucharis, *492. 

 Eudesia, 365. 

 Eulima, *240. 

 Eulimella, *239. 

 Eumenis, 334. 

 Euomphalus, 36, *267, 345. 

 Euphemiis, 344. 

 Evplocamus, 331. 



Eurybia, *350. 

 Eurydesma, *417. 

 Eurydice, 338. 

 Eutkria, 214. 

 Eidroina, 263. 

 Exogyra, *408. 

 Eyes, 16. 



Facelina, *335. 

 Falciferi, *198. 

 Families, 46. 

 Farcimen, 309. 

 Easciolaria, *215. 

 Eastigiella, *244. 

 Eaunus, 243. 

 Favorinus, *337. 

 Felania, 458. 

 Fenestrella, 408. 

 Ferussina, 308. 

 Fibrous sheUs, 31. 

 Ficula, 217. 

 Filurus, *337. 

 Fimbria, 333, 457. 

 Fimbriati, *199. 

 Fiona, *336. 

 Firola, 9, 341, *342. 

 Firo]id£e,*342. 

 Firoloides, *342. 

 Fissirostra, 365. 

 Fissurella, 27, *272. 

 Fissurellidas, *272. 

 Fissurellidaea, *273. 

 Fistulrma, 35. 501. 

 Flabellina, *335. 

 Food, 8, 9. 



Formation of shells, oi. 

 Forms of shells, 36. 

 Fossarus, 131, *233 

 Fragilia, 481. 

 Fryeria, *325. 

 Fucola, 339. 

 Fulgur, *217. 

 Funnel, 187. 

 Fusidus, 293. 

 Fusus, 29, 35, 37, *21S. 

 Fusiis, 212. 



Gadinia, *281. 

 Galapagos Islands, 112. 

 Galapagos Isles shells, SCI 

 Galatea, *4S6. 

 Galeomma, *461. 

 Gfdcrus, 276. 

 Galvina, *337. 

 Ganglia. 16. 

 Gari, 482. 

 Gasteropoda, 4. 

 Gasteropoda, range in 



time, 128. 

 Gastrana, *"481. 

 Gastrana, 4 76. 

 Gastridium, 219. 

 Gastrochffina, *501. 

 Gastrocheenidge, *5C0. 

 Gastrocoeli, *174. 

 Gastroplax, 323. 

 Gastropteron, *319 

 Gellina, 334 

 Geua, *267. 



