— 800 



Ariophanta, 225. 

 Ascaris, 734. 

 AslDiiunella, 714. 

 Aspergillum, 17. 

 Aslarte. 22, 55. 772, 782. 

 Atlanta, 18, 175, 205, 206, 230. 

 Atrina, 213, 263, 286. 

 Auricula. 38, 72, 431. 

 Avicula, 196. 582, 689, 695. 

 Axmiis, 683. 



B 



Balnnus, 584. 



Ba/ea, 37, 224, 300. 



Barleeia, ilO. 



Barnea, 66. 



Balhijdorts, 525. 



Bathyscmdiiim, 525. 



£afw.îa, 213. 



Belemnites, 432, 473. 



Bertkella, 100, 160, 207, 209. 



Bi/idaria, 36. 



BoLitacna, 105, 



Borencinlon, 23, 184, 202, 203, 204, 387. 



Bornella, 107, 177. 



Bnuvieria, 100, 207, 247, 257. 



Bryozoaires, 485. 



Buccin opsix, 165. 



Bucrinum, 21, 27, .35, 40, 41, 45, 46, 

 132, 156. I(i4, 165, 167, 187. 246, 252, 

 257, 2.i8, 260, 277, 288, 297, 355, 374, 

 885, 4i9, 549, .'165, 688, 772. 



Bulimimis, 46, 22i. 230, 536, 734, 736. 



Bidunnius, 301, 446. 545, 676. 



Bnlinuis, 237, 544 666, 735. 



Bulirius, 474, 534. 



Bulla, 143, 168, 175, 206, 287,493, 557. 



Bulloea, 33 i, 336. 



Bursa, 41 , 375. 



Bylkinella, 411, 601, 502, .^J03, 505, 506, 

 5-25, 579. 



Bytinnia, 27, 28, 35, 48, 119, 121, 29^, 

 93, 298. 3i4, 424, 501, 507, 570, 572, 

 574, 611,612, 704. 



Bythiospeiim, 411, 525. 



CaeciliancUa, 34, 286, 525. 



CaUiostnma, 127, 128. 



CaUista, 194. 



Callochiton, 184, 203, 273. 



Calyptraea, 296, 299, 551. 



Cainbieria, 6. 



Campeloma, 20, 29, 106, 301, 336, 656, 



661, 734, 735, 738, 741, 742, 745. 

 Campylaea, 674, 678. 

 Cancellaria, 718. 

 Capuliis, 532, 585. 

 Cardinalia, 127. 

 Cardita, 523. 

 Cardiiella, 464. 

 Cardium, 16. 51, 53, 56, 69. 60, 66, 103, 



136, 213, 216, 223, 265, 284, 367, 426, 



445 494, 506, 507, 523. 557, 558 564, 



565, 566, 568, 569, 570, 672, 686, 626, 



628, 721,772. 

 Cari,, aria. 125, 254, 399, 489, 726. 

 Carychium, 38. 47, .525. 

 Cassidaria, 46, 176, 288, 302, 375, 



718. 

 Cassis. 41. 



Cavolinia, 230. 299, 431, 527, 688. 

 Ceinuria (Puncturella), 219, 411. 

 Cenia, 299. 304, 347, 424, 457, 510, 512, 



612,683,693, 725, 750,784. 

 Ceratosoma, 287. 

 CerberiUa, 96. 

 Cercaria, 683, 730. 

 Cerion, 33, 46, 48, 370, 375, 388, 411, 



427, 450 539, 540, 617, 625, 679, 716, 



747, 760. 

 Ceritliidea, 534, 613. 

 Centlmun, 248, 260, 450. 

 Celoconrha, 216, 482. 

 Chaetoderma, 154, 206, 720. 

 Chama, 55, 59, 63, 198, 585, 587, 



782. 

 Cliamoslrea, 54. 

 Chenopus, 393. 

 Chtlim, 171, 211. 

 Ckioraea, 783. 

 Chironomus, 85, 86, 584. 



