Auricula Judæ, II, 2, 19. 
— Midæ, II, 2 , i 4 , 19. 
— ovula, II, 2 3 . 
Auricülacea, II, 4 . 11. 
Baicalia, II, 1 55 , 273. 
Baicaiiixæ , II, 273. 
Baikalia, II, 273. 
Baiakocochlis , II, 309, 3 n. 
Bai.ea Taylori, I, 3 o 4 . 
Bariosta, II, 54 o. 
Bartletia, II, 4 g 5 . 
BARYNAIAS, Crosse et Fischer, II, 
557, 619. 
Basistojia, II, 3 1 5 . 
Bathyojiphalüs, II, 60. 
Batissa, II, 623, 629, 63 o. 
Benedictia, II, 254 . 
BERENDTIA, Crosse et Fischer, I, 
300 , 4o2, 699; II, 681. 
— Taylori, Pfeiffer, I, 301, 304, 
35 o; II, 679. 
BERENDTINÆ, I, 300. 
Binneya, I, 195 ; II, 678. 
— nolabilis, I, 196. 
Bithinella, II, 219, 254 , 267, 258 , 
261. 
Bithinia, II, 219, 253 , 254 , 274. 
— tentaculata, II, 253 , 298. 
BLAUNERIA, Shuttleworth , II, 3 , 
5 , 6 , S. 
INDEX ALPHABÉTIQUE. 
AURICULIDÆ, II, 1. 
AURICULINÆ, I, 5, 6 . 
Aximedia, II, 539. 
B 
BLAUNERIA gracilis, II, 5, 7 , 9 . 
- — heteroclita, Montagu, II, 5 , 9 , 
672 . 
— Leonardi, II, 9 . 
— pellucida, II, 7, 9. 
Bostrichocextrüm , II, 682. 
Bostryx, I, 462 . 
Bourcieria, II, 387 , 38g, 3gi. 
BRAGHYANODON, Crosse et Fi- 
scher, II, 517, 518. 
Brachypodejlla , I, 395. 
— filicosta , I, 352 . 
Braciiypus costatus, I, 3 95. 
BRACHYSPIRA, Pfeiffer, I, 64 7 , 
654. 
— Salleana, I, 666. 
Bradyræna pisum, I, 257. 
Braxchifera, II, 109. 
Brondeiia, II, 3 1 , 35 . 
Bcccimm acicula, I, 583 . 
— zebi’a, I, 426 , 44i. 
Buchanania, I, 686. 
Bülimiformes, I, 6 o 5 . 
Büuminus détritus, I, 462. 
— Hohenackeri, I, 462 . 
— Proteus, I, 507 . 
BULIMNÆA, Haldeman , I, 46, 51. 
693 
Axina Guillarmodi, I, 296. 
Aylacostoma, II, 3 i 3 , 321, 
Azeca, I, 583 , 585 . 
BULIMULIDÆ, I, 461, 699. 
Bulimdlus, Risso, I, 46 1. 
BULIMULUS, Leach, I, 461, 464, 
471, 575, 699; II, 669, 670, 
671, 677, 678, 679, 682. 
— alternans, Bock, I, 473, 477, 
500. 
— alternatus, Say, I, 463 , 468 , 
475, 561, 564 , 567; II, 669, 
680. 
- — Altoperuvianus , I, 609 , 690. 
— Artemisia, VV. G. Binney, 1, 
4 7 4 , 557, 55 9 ; II, 680. 
— attenuatus, Pfeiffer, I, 491, 
4 9 3 . 
— aureolus, I, 463 , 525 . 
— aurifluus, Pfeiffer, I, 499, 536 . 
— auris-Ieporis , I, 574. 
— Bahameusis, I, 463 , 465 . 
— Baileyi, II, 680. 
— Berendti, Pfeiffer, I, 553 , 554; 
II, 6 7 4 . 
— Botterii, Crosse et Fischer, 1, 
487. 
— Bryanti, II, 680. 
— Californicus, II, 680. 
— castus, Pfeiffer, I, 485. 
- — Chaperi, Crosse et Fischer, II, 
657, 666. 
— Chiapasensis, Pfeiffer, I, 483. 
— confinis, I, 568 . 
— coriaceus, Pfeiffer, I, 552, 554 . 
— corneus, Sowerby, I, 463 , 474 , 
548, 554 . 
— cucullus, Morelet , I, 5 o 5 . 
519. 
— Cuernavacensis, Crosse et Fi- 
scher, I, 474, 532; II, 676. 
— dealbatus, Say, I, 463 , 465 , 
565 , 566; II, 669. 
— Delattrei, Pleiffer (eniend.), I, 
