418 
Turcica, Bottger. Ill 
TPurcica, H. & A; Ad, \ DL 
Turnus, Gabb. Ill 
Turricula, Beck. Ill 
Turricila, Klein... 21 
Turrilites, Lamarck. II 
Turris, Boltenmah .0 all 
Turris, Humphrey. II 
Turrispira, Conrad. II 
Turritella, Lamarck. II 
Go 66 LII 
PMirritetlida....i4)) Al 
Turritellopsis, Sars. II 
Turtonia, Hanley. . 
PTutufs, Jouss. cc... (i 
Tychocardia, Rimer. IIT 
Tychonia, Koninek. II 
Trlacug, Conr. .«.%. co LL 
Tyleria, H. & A. Ad. III 
Tylodina, Rafinesque. II 
Tylopoma, Brusina. II 
Tylostoma, Sharpe. IT 
Tympanotomus, Klein.II 
Typhis, Montfort. . II 
Typhlomangelia, Sars. II 
Ulostoma, Albers. . 
Umbonella, A. Ad. II 
Umbonium, Link... II 
Umbrella, Lamarck. II 
Umbrellide. . « «1. Tl 
Uncinaria, Vest. TEE 
Uncites, Defrance.. III 
Ungula, Pander. Itl 
Ungulina, Daudin. = III 
Ungulinidee. Il 
Ungulites, Pander. III 
Unicardium, d’Orb. III 
Unicornus, Montf.. Il 
Unio, Retzius. Iil 
Uniocardium, Cap. III 
Uniomeris, Conr. EI 
Uniona, Pohlig. III 
Unionidee. oe) Ee 
Unionites, Munst. . III 
Unionites, Wissm.. III 
INDEX. 
PAGE | 
15 | Uniopsis, Swains. Iil 
312 | Uniplicaria, Pfeiffer. III 
126 | Uperotis, Guettard. IIT 
38 | Urcinella, Raf. Iil 
171 | Urocoptis, Beck. Ill 
86 | Urocyclus, Gray. IIt 
183 | Urosalpinx, Stimpson. II 
9e4)| Usilla, WA: Ad: i i oi 
128 | Utriculina, Gray: . TD 
224 | Utriculopsis, Sars. II 
351 | Utriculus, Brown. . II 
294 | Uvanilla, Gray. . ‘Il 
994 | Uzita, H. & A. Ad. IE 
221 
126 | Vaginella, Daud... Il 
189 | Vaginula, Ferussac. III 
207 | Vaginulidee. ~. Ill 
212 | Vaginulus, Stoliez. IIT 
149 | Valenciennesia, Rous. III 
368 | Valletia, Mun.-Chal. III 
260 | Vallonia, Risso. Ill 
357 | Valvata, Muller. . If 
250 | Valvatella,Gray. . II 
107 | Valvatella, Morch. II 
185°) Valvatide... 2 -.0 BE 
Valvatinella, Betta. II 
35 | Vanesia, A. Ads). RL 
316 | Vanganella, Gray.. III 
300 | Vanikoro, Quoy. . II 
367 | Vanikoropsis, Meek. II 
367 | Vanuxemia, Billings. III 
16 | Varicella, Pfr. Iil 
326 | Varicifer, Piette. . II 
338 | Varigera, d’Orbigny. II 
215 | Vasconia, Fischer. III 
215 | Vasseuria, Mun.-Chal. II 
338 | Vasum, Bolten. . II 
213 | Vediantius, Risso. III 
113 | Velainella, Vasseur. II 
238 | Velatella, Meek. . II 
239 ¥ if oy BEE 
238 | Velates, Montfort... II 
239 , 3 * Ill 
237 | Veleda, Conrad. IIL 
236 | Velifera, Binney. iil 
234 | Velletia, Gray. . Ie 
