Ascoceras, 189. 
Asiphonida, 406. 
Asolene, *259. 
Aspergillum, 55, “503. 
Assiminea, 256. 
Astarte, 33, 55, *464. 
Astartela, 469. 
Asteronotus, *329. 
Atagema, *329. 
Athoracophorus, 297. 
Athyris, *373. 
Atlanta, 29, 341, *344,_ 
Atlantide, «343, 
Atlas, *320. 
Atrypa, *378, 
Aturia, #189, 
Atys, 316. 
Aucella, *416, 
Aulonotreta, 392. 
Aulopoma, 308. 
Aulosteges, *385. 
Aulus, 482. 
Auricelia, 305. 
Auricula, *304. : 
Auriculide, 36, *803. 
Auriscalpium, 495. 
Australian region, 103. 
Australian shells, 74, 
Avellana, 314, 
Avicula, 30, *415. 
Aviculider, *415. 
Aviculo-pecten, *417. 
Axinus, *431. 
Axis uf shell, 205. 
Azara, 490. 
Azeca, *292. 
Azores, shells of the, 65, 94 
Bachybathron, *225. 
Bactrites, *197. 
Baculites, *201. 
Bakewellia, *418. 
Bailantium, 349. 
Balea, *293. 
Balearic Isles shells, 92. 
Baphia, 433. 
Barbatia, 424. 
Barnea, 504. 
Base of shell, 206. 
Baitillus, 263. 
Batissa, *463. 
Bela, *229. 
Belemnitella, *175. 
Belemnites, *173. 
Belemnitide, *173. 
Belemnosepia, 168. 
Belemnosis, *177. 
Belemuoteuthis, *175. 
Bellerophina, *345. 
Bellerophon, *344. 
Belopeltis, 168. 
Beloptera, *177. 
Belosepia, 177. 
Beloteuthis, *168, 
Berthella, 322. 
Bezoardica, 224, 
Biapholius, 502. 
Bifrontia, *253. 
Biradiolites, *448. 
INDEX. 
Birostrites, 447. 
Bithynia, 33, *258. 
Bittium, *242. 
Black Sea shells, 67. 
Body whorl, 206. 
Bolitena, *166. 
Bonellia, 240. 
Bontia, 495. 
Boreal province, 60, 61. 
Boring, 394, 
Bornean shells, 102. 
Bornella, *333. 
Bornia, 459. 
Borsonia, *229, 
Bostrycheteuthis, 165. 
Bouchardia, *366. 
Bourciera, 307. 
Brachionobranchia, 5. 
Brachiopoda, range in 
time, 128 
Brachiopoda shell, 32. 
Brachychlamis, *332, 
Brachydontes, 421. 
Brachypus, 293. 
Branchia, 26. 
Brazil, shells of, 112. 
Brocchia, 277. 
Brochus, 249. 
Broderipia, *267. 
Brownia, *284, 
Bucardium, 467. 
Buccinanops, 220. 
Buccinide, *218. 
Buccinulus, *318. 
Buccinum, 55, *219. 
Buchanania, *299. 
Buckie, 218. 
Bulimulus, *291. 
Bulimus, 15, 32, 36, 37, 44 
111—113, *291. 
Bulin, 301. 
Bulinus, 291. 
Bulla, *316. 
Bulla, 315. 
Bullea, 318, 
Bullia, 220. 
Bullidsx, *315. 
Bullina, 317, 318. 
Bullinula, 318. 
Bursatella, 321. 
Busiris, *321. 
Bysso-anodonta, 434, 
Bysso-arca, 424. 
Byssomya, 502. 
Byssus, 19. 
b 
Cecum, *249, 
Calcar, 264. 
Calcarella, *284, 
Calceola, *383 
Californian province, 78. 
California, shells of, 109, 
Callia, 309. 
Calliopea, *336. 
Callo-chiton, 283, 
Callopoma, 263. 
Calma, *337. 
Calpurna, *254, 
Calpurnus, 234. 
509 
Calypeopsis, *276, 
Calyptrea, *276. 
Calyptreide, *275. 
Camarophoria, *376, 
Cameroceras, *191. 
Camptoceras, *302, 
Campulites, 194. 
Campulote, 224. 
Campyloceras, 194. 
Canadian region, 106, 
Canal, 206. 
Canaliculati, *174. 
Canary Isles shells. 65, 94 
Cancellaria, 55, *216. 
Canthiridus, 265. 
Cape region, 97. 
Capisterium, 485. 
Caprella, 291. 
Capricorni, *198, 
Caprina, *450. 
Caprinella, *448. 
Caprinula, 448. 
Caprotina, *451. 
Capsa, 481, 486. 
Capsula, *481. 
Capulus, 277. 
Carbonicola, 470. 
Cardiadze, *453. 
Cardiapoda, *243, 
Cardilia, *46yY. 
Cardinalia, 264. 
Cardinal teeth, 401. 
Cardiocardita, 471. 
Cardinia, *470. 
Cardiola, *417. 
Cardiomorpha, 467, #498, 
Cardissa, 454. 
Cardita, *471. 
Cardium, *453. 
Carinaria, 9, 12, 29, 341, 
*343, 
Carinaroides, 343. 
Carocolla, *289. 
Carolia, *410. 
Cartilage, 400. 
Carychium, *305, 
Casella, *33 
Cassiani, ¥199, 
Cassidaria, *225. 
Cassidula, 217, 304. 
Cassis, 32, 38, *224., 
Castalia, *434. 
Catantostomata, *270. 
Cataulus, *309. 
Catillus, 419. 
Cavolina, *335, 
Cavolina, 348. 
Celtic province, 61—63. 
Cemoria, 274. 
Cenia, *339. 
Cepa, 408. 
Cepatia, 235. 
Cephalopoda, 4, 27, 155. 
Cephalopoda, range in 
time, 127 
Ceratisolen, *487. 
Ceratites, *197. 
Ceratosoma, *331, 
Cercomya, *495. 
