219 



UuibreUa, 323. 

 Unguliua, 682. 

 Unicornus, 57. 

 Unio, 686, 688. 

 Uniopsis, 686. 

 Urcocoptis, 477. 

 Utriculina, 76. 

 Utriculus, 305, 306. 

 Vagina, 605. 

 Vaginella, 771. 

 Vaginula, 488. 

 Vaginulus, 488. 

 Vallonia, 456. 

 Valvarius, 97. 

 Valvata, 254. 

 Valve, 254. 

 Vanicoro, 256. 

 Velates, 162. 

 VeUetia, 510. 

 Velorita, 554. 

 VeluteUa, 255. 

 Velutina, 191,255,256. 

 Venericardia, 661. 

 Venenipis, 548. 



Venilia, 394. 

 Veiius, 538, 540, 544. 

 Verania, 307, 795. 

 Vermetus, 257, 259, 262, 

 Verraicularia, 257, 258. 

 Verinicularius, 258. 

 Veronicella, 488. 

 Veronicellus, 488. 

 Vertigo, 472, 474, 477. 

 Vesica, 215, 307,308,504. 

 Vexillun), 55. 

 Vibes, 221. 

 Vidiantius, 483, 484. 

 Villiersia, 350. 

 Vitrea, 462. 

 Vitrella, 303. 

 Vitrina, 109, 431, 433, 444. 

 Vitrine, 444. 

 Vitrinas, 444. 

 Vitularia, 10. 

 Vivipare, 251. 

 Vivipanis, 251. 

 Volsella, 717. 



Voluta, 4, 18,35,67,284, 



293, 486. 

 Volutelia, 28, 84, 100. 

 Volutilithes, 91. 

 Volvaria, 97,101, 304, 500. 

 Volvulus, 475. 

 Vortex, 457, 508. 

 Vulpecula, 96. 

 Vulsella, 731. 

 Westernia, 329. 

 Xenophora, 273. 

 Xenophoris, 273. 

 Xylophaga, 591. 

 Xylotrya, 597. 

 Yėtus,"82. 

 Yoldia, 620. 

 Zaria, 244. 

 Zephrina, 394. 

 Zierliana, 95. 

 Zizipliinus, 124. 

 Zonites, 433. 

 Zua, 468. 

 Zurama, 456. 



Nfo. CLXXIX. — Procėkdik'gs of the Zoological SocietV. 



