MANUAL OF THE MOLLUSCA. 



PLATE XII. 



Helicidce. 



1. Helix (Acavns) heemastoma, L. v Ceylon. 



2. (Poly gyro) polygyrata, Born. ' \. Brazil. 



3. (Carocotta) lapicida, L. Britain. 



4. (Anastoma] globulosa, Lam. Brazil. 



5. (Tridopsis) hirsute, Sby. TJ. States. 



6. (Streptaxis] contusa, Per. Brazil. 



7. (Sag da) epistylium, Mull. Jamaica. 



8. (HeliceHa] cellaria, Miill. Britain. 



9. (Stenopus) laevipes, Mull. Malabar. 



10. Bulimus oblongus, Mull. . Guiana. 



11, 12 decollatus, L. S. Europe. 



13. (Partula) faba, Martyn. Australian Islands. 



14. (Zua) lubricus, Miill. Britain. 



15. (Azecd) tridens, Pulteney. Britain. 



16. Pupa uva, L. sp. Guadaloupe. 



17. (Vertigo] Venetzii, Charp, f. Pliocene, Essex. 



18. Megaspira elatior, Spix sp. . Brazil. 



19. Clausilia plicatula, Drap. . Kent. 



20. Cylindrella cylindrus, Chemn. sp. . Jamaica. 



21. Balaea perversa, L. sp. Britain. 



22. Achatina variegata, Fab. Col. \. W. Africa. 



23. Succinea putris, L. Britain. 



24. (Omalonyx) unguis, Orb. Paraguay, 



liimacida. 



25. Limax maximus, L. Britain. 



26. Testacella haliotoides, Per. f. Britain. 



27. Parmacella (Cryptella] cslyculata, Sby. ^Canaries. 



28. Vitrina Draparnaldi, Cuv. Britain. 



29. (Daudebardia) brevipes, Drap. f . Austria. 



30. Limnea stagnalis, L. sp. Britain. 



31. (Amphipeplea) glutinosa, Miill. Britain. 



32. Physa fontinalis, Mont. sp. Britain. 



33. Ancylus fluviatilis, Lister sp. Britain. 



34. Planorbis corneus, L. sp. Britain. 



Auriculidce. 



35. Auricula Judse. L. . India. 



36. scarabseus, Gm. sp. Ceylon. 



37. .(Conowlus) cofFea, L. W. Indies. 



38. - (Alexia) deiticulata, Mont. sp. Britain. 



39. Carychium minimum, Drap. sp. f . Britain. 



Cyclostomi'da. 



40. Cyclostoma elegans, Miill. sp. Britain. 



41. Cyclophorus involvulus, Mull. sp. f. India. 



42. Pupina bi-canaliculata, Sby. N. Australia, 



43. Helicina Brownii, Sby. Philippines. 



44. Acicula fusca, "Walker, sp. f . Britain, 



