Trochatella, 287, *32l, 

 573. 



Trochiscus, 27F>. 

 Trochita, *-287. 

 Trochoceras. "200. 

 Trochococlilea. *558. 

 Trochoiik's, 200. 

 Trochotoma, *-i8'2, 560. 

 Trochus, "275, 558. 

 Tropeiini, 'ilO. 

 Trophon, *229, 536. 

 Tropitlolejitus, *585. 

 Tropidophorn, 518. 

 Truneana, *537. 

 Ti-uncatella,*268. 

 Tuba, 267. 

 Tubicolidœ, 514. 

 Tubifer, 5i5. 

 Tudora, 318. 

 Tugonia, 503. 

 Tuniciers, 6. 

 Turbinella, *227, 556. 

 Turbinidœ, *274, 557. 

 Turbo, '274, 557. 

 Turbonilla, 251. 

 Turcica, *276. 

 Tumlites,-211. 534. 

 Tiirris, 240, 243. 

 Turritella, *2d9, 549. 

 TuiTitellidœ, '259, 549. 

 Turtonia, *47"S. 

 Tyleria, *510. 

 Tylodina, *335. 

 Tylostoma. *325. 

 Tympanoiomtis, 254. 

 Typhis,*225,536. 



Umbonella, *559. 

 Umbo, 411. 

 Umbrella, *537. 

 Uncini,22. 

 Uncites, *387. 

 Ungula,405. 

 Ungulina, "473. 

 Unicardium, •472. 

 Unio, *447. 



T.\nLE ALPHABETIQUE 



Unionidœ, M46,595. 

 Uiiioiiites, 483. 

 Ulricttliis. 328. 

 Uvanilla,*558. 



Vaganella, *493 . 

 Vagina. 500. 

 Vaginella, *561. 

 Vaginulus, '311. 

 Valenciennesia, '566. 

 Valvata, *271. 

 Vanganella, 603. 

 Vnnicoro, 248. 

 Vanuxemia, 595. 

 Varices, 36. 218. 

 Variétés, 47. 

 Varigera, '325. 

 Vêlâtes, *272. 

 Vellelia, '313. 

 Velorita, *477. 

 Velutiiia, '-249,540. 

 Venericardia, '486. 

 Veneridœ, '4S7, 602. 

 Venerupis, *490. 

 Venilia, 549. 

 Ventouses, 167. 

 Venus, '487. 

 Verania, 182. 

 Vermetidœ, 547. 

 Vermetus, *260, 547. 

 Veronicella, 311. 

 Vertébrés, 1. 

 Verticordia,'486. 

 Verligo, *304. 

 Vibex, "258,550. 

 Vicarya, 544. 

 Villiersia, 540. 

 Viquesnelia, '308. 

 Viirina, '501, 365. 

 Vitrinella,*276,560. 

 Vilularia, '557. 

 Vitulina, *58o. 

 Viviparus, 269. 

 Vola, 4-26. 

 Volupia, *488. 

 Voluta, '241,538. 



619 



Voluti'lla, iil. 

 Volutid;ti, "241, 538. 

 Volutilitlies, '242, 538. 

 V()lutomitra,538. 

 Volva, 246, 539. 

 Vol varia, *243, 558. 

 Volvula, '326. 

 Volvulina, '574. 

 Vue, 17. 

 Vulsella, '430, 591. 



Waldheimia, '377. 

 Waltonia, '380. 

 Woodia, '601 . 

 Woodwardia,'280, 560. 



Xanthonella, 327. 

 Xanthonyx, '565. 

 Xenophorus, 265. 

 Xiphoteuthis, '185, 527. 

 Xylophaga, '520, 605. 

 Xylophagella, *605. 

 Xylotrya,'521. 



Yémen, 102. 

 Yetus.'m-. 

 Yeux, 17. 

 Yoldia, '442. 



Zaria, 259. 

 Zellania, *380. 

 Zephyrina, 349. 

 Zierliana, 243. 

 Ztr/œa, 519. 

 Zizipliinus, *5S8. 

 Zone des corallines, 161. 

 Zone des coraux des eaux 



profondes, 161. 

 Zone des laminaires, 160. 

 Zone littorale, 160. 

 Zonites, 500. 

 Zospeum, '569. 

 Zua, '502. 

 Zygospira, '582. 



