— 809 — 



Thai.s, 41, 549, 784 

 Thecacera, 97, 98, 207. 

 Thcodo.ra, ?)04. 

 Tliermhiidrobia, 305. 

 TfiUptodon, 347. 

 Thracia, 102, 368. 

 Thyca, 21, 45(j. 

 Tonicella, 186, 387. 

 Tonicia, 24, 185, 201, 203, 273, 728. 

 Torinia, 85, 184. 

 Trachydennon, 22. 

 Trevelyand, 208. 

 Tridacna, 102, 198, 772. 

 ^rZ/briA-, 40, 457, 732. 

 Trigotiia, 585. 



iTr/opu, 98, 99. 107, j 12, 287. 

 Tri Ion, 41. 



Tritonia, 118, 219, 297. 

 Tritoniittn, 495. 

 Truono fusils, 35. 

 Trochocochlaea, 127. 

 Trochonanina, 225, 239. 

 Trochotoma, 51. 



rro(,'/i«,y, 20, 27, 108, 119, 127, 128 131 

 141, 222, 250, 275, 276. 305, 308^ 368^, 

 398, 479, 483, 583, 592, 606. (i08, 723 

 749, 782. 

 Trophon, 4S, 5)6. 

 Triuicatella, 206. 

 Tryouia, 503, 505. 

 Turhinella, 28, 35. 36. 

 Tt/rbo, 130, 251,275. 

 Titnicula. 164. 

 Turtonia, 61. 

 Tuluja, 41. 

 Tylodina, 161, 252, 

 Tyloloma, 393 



U 



Vmbonium, 127. 



IJmbrella, 99, 188, 190, 207, 225, 246 



252, 266, 257, 258. 259, 260, 261. 285' 



297. 307, 309, 313, 333. 350. 

 L'ngutina, 61, 65. 

 t/w/o, lo, 21, 54, 55, 62, 135, 240 



241, 302, .307, 343, 350, 402, 411, 451, 



469, 481, 495, 504, 552, 5S3, 554 555 

 .^37,573,627. ' ' 



Vrocydiis, 174,231, 239. 



Uromlpinx, 26, 297, 418., 467, 471. 



Vayinula, 232, 239. 721. 

 Vallonia, 32, 49, 493, 497. 

 Valvata, 27, 34, 189, 298, 525, 527 571 

 611,612 ' ' 



Valviitella, 130. 

 Velulina, 163. 

 Veneticardia, 6^1. 

 Veneridae, 63. 

 Vernis, 53, 63, 194, 213, 241, 367, 376 



523, 592, 598. 

 Vennetus, 254, 296, 298. 

 Verticordia, 429. 

 Verligo, 34, 47, 578. 

 Vitraea, 676. 

 Vùrella, 411,^506. 

 Vùrim, 30, 71,1 16, 145, 226, 227, 577 



578, 579, 666. 

 Vivipara, 35, 418, 652. 

 Voltita, 36, 46, 164, 187, 256, 301, 376, 



427, 463, 697, 768. 

 Voiutharpa, 132. 

 Volulolyria, 1()4. 

 Volulopsis, 165, 167, 385. 



Xesta, 30, 467 408, 714. 

 Xylol'-ya, 783. 



Yoldia, 60, 101, 213, 348, 402, 468, 722. 



Zonites, 28, 30. 152, 188, 237, 243, 482 



484, 48i, 666. 

 Zospeuin, 525, 579. 



