List of the Species and Varieties of Land and Freshwater Shells which, so far as at present known, are believed to be Peculiar to the British Isles or not found on the Continent
Limacidæ
1. Limax marginatus, var. maculatus. Ireland; frequent, very distinct.
2. ,, ,, ,, decipiens. Ireland and England.
3. ,, flavus, var. suffusus. England; Melanic form.
4. ,, ,, ,, griseus. England; Melanic form.
5. Agriolimax agrestis, var. niger. Yorkshire. Melanic. Azores.
6. ,, ,, ,, griseus. England. Melanic.
7. Amalia gagates, var. rava. W. of England.
8. ,, sowerbyi, var. rustica. England.
9. ,, ,, ,, nigrescens. Surrey and Middlesex.
10. ,, ,, ,, bicolor. Ealing.
11. Hyalina crystallina, var. complanata. Near Bristol.
12. ,, fulva, var. alderi.
13. Vitrina pellucida, var. depressiuscula. S. England, Wales.
Helicidæ
14. Arion ater, var. albo-lateralis. England, Wales, Isle of Man; very distinct.
15. ,, hortensis, var. fallax. England. Common at Boxhill.
16. Geomalacus maculosus. Kerry and Cork. Three varieties have been described, one of which occurs in Portugal.
17. Helix aspersa, var. lutescens. England. Not rare perhaps in France.
18. ,, nemoralis, var. hibernica. Ireland.
19. ,, rufescens, var. manchesteriensis. England.
20. ,, hispida, var. subglobosa. England.
21. ,, ,, ,, depilata. England.
22. ,, ,, ,, minor. England, Ireland.
23. ,, granulata, var. cornea. Lulworth, Dorset.
24. ,, virgata, var. subaperta. Bath.
25. ,, ,, ,, subglobosa. England, Wales, Bantry Bay.
26. ,, ,, ,, carinata. Wareham, Dorset.
27. ,, caperata, var. major. England, Wales, Scotland. Distinct.
28. ,, ,, ,, nana. England.
29. ,, ,, ,, subscalaris. Wales, Ireland.
30. ,, ,, ,, alternata. England, Kent.
31. ,, acuta, var. nigrescens. England.
Pupidæ
32. Pupa anglica, var. pallida. Not rare.
33. ,, lilljeborgi, var. bidentata. Ireland.
34. ,, pygmea, var. pallida. Dorset and Devon.
35. Clausilia rugosa, var. parvula. Ireland.
Stenogyridæ
36. Cochlicopa lubrica, var. hyalina. Wales, Scotland.
37. Cœcilianella acicula, var. anglica. England.
Succineidæ
38. Succinea putris, var. solidula. Wiltshire.
39. ,, virescens, var. aurea. Ireland.
40. ,, pfeifferi, ,, rufescens. England, Ireland.
41. ,, ,, ,, minor. England.
Limnæidæ
42. Planorbis fontanus, var. minor. England.
43. ,, carinatus, ,, disciformis. England.