AuRicuLA Judse, II, a, 19. 



— Midœ, II, a, i4, 19. 



— ovula, II, 20. 



AuRicuLACEA, II, 4. 11. 



INDEX ALPHABÉTIQUE. 



AURICULID^, II, 1. 

 AURICULIN^, I, 5,6. 



AxiMEDlA, II, 539. 



693 



AxiNA Guiliarmoili , I, 296. 

 Aylacostoma, II, 3i3, 3a i. 

 AzECA,I,r)83,585. 



Baicalia,II, i55, 270. 



Baicaliin^e, II, 273. 



Baikalia, II, 273. 



Balanocochlis, II, 309, ou. 



Balea Tayiori, I, 3o4. 



Bariosta, II, 54o. 



Bartletia, II, 695. 



BARYNAIAS, Crosse et Fischer, II, 

 557, 619. 



Basistoma, II, 3i5. 



BATHYOJIPHAmS, II, 6o. 



Batissa, II, 628, 629, 63o. 



Benedictu, II, 254. 



BERENDTIA, Crosse et Fischer, I, 

 300, /102, 699; II, 681. 



— Tayiori, Pfeiflfer, I, 301, 304, 



35o; II, 679. 



BERENDTIN^, I, 300. 



BlNNEVA, I, 195 ; II, 678. 



— notabihs, I, 196. 



BiTHiNELLA, II, aig, aoi, 287, a58, 

 a6i. 



BiTHwiA, II, aig, 253, a54, 274. 



— tenlaculata, II, a53, a 9 8. 



BLAUNERIA, Shuttleworlh , II, 3, 

 5.6,8. 



B 



BLAUNERIA gracilis, II, 5, 7, 9. 



— heteroclita, Montagu, II, 5, 9, 



67a. 



— Leonardi, II, 9. 



— peilucida, II, 7, 9. 



BOSTBICHOCENTBDM , II, 682. 



BosTRYX, I, 46a. 



BODRCIEKIA, 11, 387, 389, 891. 



BRACHYANODON, Crosse et Fi- 

 scher, II, 517, 518. 



Brachypodella , I, 395. 



— filicosta, 1, 352. 



Brachypds costatus, I, 3g5. 



BRACHYSPIRA, Pfeilïer, I, 647, 

 654. 



— Salleana, I, 666. 



Bradyb/ena pisum, I, 257. 

 Branchifera, II, 109. 

 Brondella, II, 3i, 35. 



BucciNUM acicula, I, 583. 



— zébra, I, 4a6, 44 1. 



Buchanama, I, 686. 

 Bdlimiformes, I, 6o5. 



Bdliminus détritus, I, 46a. 



— Hohenackeri , I, 46a. 



— Proteus, I, 507. 



BULIMNJEA, Haideman, I, 46, 51. 



BULIMULID.Î;, 1,461,699. 



BuLiMULPS, Risso, I, 46 1. 



BULIMULUS, Leach, 1, 461, 464, 

 471, 575, 699; 11, 669, 670, 

 671. 677, 678, 679, 682. 



— alternans, Beck, 1, 478, 477, 



500. 



— alternatus, Say, 1, 463, 468, 



475, 561,564,567; 11,669, 

 680. 



— AJtoperuvianus , I, 609, 690. 



— Artemisia, W. G. Binney, 1, 



474, 557, 559; II, 680. 



— attenuatus, PfeilTer, I, 491, 



493. 



— aureolus, I, 463, 5a5. 



— aurifluus, Pfeiffer, I, 499, 536. 



— auris-ieporis , I, 574. 



— Bahamensis , I, 463, 465. 



— Baiieyi, II, 680. 



— Berendti, Pfeiflfer, I, 553, 554; 



II, 674. 



— Botterii, Crosse et Fischer, l, 



487. 



— Bryanti, II, 680. 



— Californicus , II, 680. 



— castus, Pfeiffer, I, 485. 



— Chaperi, Crosse et Fischer, II, 



657, 666. 



— Ghiapasensis, Pfeiffer, I, 483. 



— confinis, I, 568. 



— coriaceus, Pfeiffer, I, 552, 554. 



— corneus.Sowerby, I, 463, 474, 



548, 554. 



— cucullus, Morelet, I, 5o5. 



519. 



— Cuernavacensis, Crosse et Fi- 



scher, I, 474, 532; II, 676. 



— dealbatus, Say, I, 463, 465, 



565, 566; II, 669. 



— Delattrei, Plbiffer (emend.), I, 



