204 FITZGERALD : MOLLUSCA OF PRESTON CANDOVER. 



7. V. cristata Mlill. Scarce. 



8. Planorbis nitidus (MiilL). Scarce. 



9. P. albus Mlill. Scarce. 



10. P. spirorbis Mlill. Common. 



11. P. carinatus Mlill. Frequent. 



12. P. contortus (L.). Frequent. 



13. Physa fontinalis (L.). Scarce. 



14. Limnaea peregra (Mlill). Common. 



15. Do. var. acuminata Jeff. Frequent. 



16. Do. var. labiosa Jeff. Frequent. 



17. Do. var. Candida Porro. Scarce. 



18. L. stagnalis (L.). Frequent. 



19. L. palustris (Mlill.). Common. 



20. L. truncatula (Mlill). Scarce. 



21. Ancylus fluviatilis Miill. Frequent. 



22. Succinea putris (L.). Common 



23. Vitrina pellucida Mlill. Frequent. 



24. Zonites cellarius (Mlill). Common. 



25. Z.crystailinus (Miill). Scarce. 



26. Helix pomatia L. Scarce. 



27. Do. var. albida Moq. Scarce. 



28. H. aspersa Mlill Common. 



29. Do. var. zonata Moq. Scarce. 



30. Do. var. undulata Moq. Scarce. 



31. H. nemoralis L. Common. 



32. Do. var. libellula Risso. Frequent. 



33. Do. var. rubella Moq. Frequent. 



34. Do. var. castanea Moq. Frequent. 



35. H. hortensis Mlill. Common. 



36. Do. var. lutea Moq. Frequent. 



37. Do. var. incarnata Moq. Frequent. 



38. Do. var. castanea Taylor. Frequent. 



39. H. arbustorum L. 



40. Do. var. pallida Taylor. Scarce. 



41. H. can ti an a Mont. Common. 



J.C, iv., July, 1S84. 



