EXPLAIN A.T10N OF THE PLATES. 531 



PLATE XII. 



HelicidcB. 



Page 



1. HelLx (^Acavus) hsemastoma, L. f . Ceylon 289 



2. {Polygyra) polygyrata, Born. ^. Bra2dl 289 



3. {CarocoUa) lapicida, L. Britain 289 



4. {Anastoma) globulosa, Lam. Brazil 289 



5. ; {Tridopsis) hirsuta, Sby. U. States 289 



6. \Streptaxis) contusa, Fer. Brazil 289 



7. {Sagda) epistylium, Miill. Jamaica 289 



8. {Relicella) cellaria, Miill. Britain 289 



9. (Stenopus) Isevipes, Miill. Malabar 290 



10. Bulimus oblongus, Miill. |. Guiana 291 



11, 12. decoUatus, L. S. Europe 291 



13. {Partula) faba, Martin. Tahiti 291 



14. [Zua) lubricus, Miill. Britain 292 



15. [Azeca) tridens, Pulteney. Britain 292 



16. Pupa uva, L. sp. Guadaloupe 292 



17. {Vertigo) Venetzii, Charp. A. Pliocene, Essex 293 



18. Megaspira elatior, Spix sp. f Brazil 294 



19. Clausilia plicatula, Drap. Kent 294 



20. Cylindrella cylindi-us, Chem. sp. f . Jamaica 293 



21. Balasa perversa, L. sp. Britain 292 



22. Achatina variegata. Fab. Col. |. W. Africa 292 



23. Succinea putris, L. Britain 290 



24. ifimalonyx) unguis, Orb. Paraguay 291 



LimacidcB. 



25. ijimax maximus, L Britain 295 



26. Testacella haliotoides, Fer. -f Britain 298 



27. Parmacella [Cnjptella) calyculata, Sby. Canaries 297 



28. Yitrina Drapamaldi. Cuy. Britain 290 



29. ■ {Daudebardia) brevipes, Drap. 2.. Austria 290 



LimncBidce. 



30. Limnaea stagnalis, L. sp. Britain 300 



31. (Aniphipeplea) glutinosa, Miill. Britain 301 



32. Physa fontinalis, Mont. sp. Britain 301 



33. Ancylus fluviatilis, Lister sp. Britain 302 



34. Planorbis comeus, L. sp. Britain 20% 



Auriculidce. 



35. AuriciJa Judse, L. f . India 304 



36. scarabaeus, Gym. sp. Ceylon 304 



37. (Conovulus) coffea, L. W. Indies 304 



38. • [Alexia) denticulata, Mont. sp. Britain 305 



39. — Carychivim minimum, Drap. sp. A. Britain 305 



Cyclostomidce. 



40. Cyclostoma elegans, Miill. sp. Britain 306 



41. Cyclophorus in volvulus, MiiU. sp. f. India 308 



42. Pupina bi-caniliculata, Sby. N. Australia 309 



4'3. Helicina Brownii, Gray. \. Jamaica 310 



44. Acicula fusca, Walker. SD. ^. Britain «. 310 



