CENSUS. 103 



Wales 41 43 45 47—52- Eng. N. 54—67 69 71. 

 Scot. 73 75 — 77 79 — 83 85 88 — 90 98 100 105 107 — 109. 

 Irel. 113-114 132 139 144 148. 

 Achatina acicula Miill. Eighteen counties. 



Eng. S. 6 8—10 14-15 17 19 23 32 34 36. Eng. N. 

 56-57 62 — 64 67. No records for Wales, Scotland, or 

 Ireland. 

 Carychium minimum Mlill. Fifty counties. 



Eng. S. 6 II 13—17 19—23 25 27-28 32—34 36 

 39. Wales 41 48 — 52. Eng. N. 54 56—59 61 — 67 69. 

 Scot. 73 76 89 — 91 98 loi 107. Irel. 113 144 148. 

 Cyclostoma elegans Miill. Twenty-five counties. 



Eng. S. 3-4 6 9 II— 17 20 22-23 29-30 33 35-36. 

 Wales 41 45 50. Eng. N. 62 64 69. No records for 

 Scotland or Ireland. 

 Acme lineata Drap. Eleven counties. 



Eng. S. 6 15 23. Eng. N. 57 60 62 — 64 66. Scot. 

 76. Irel. 148. 

 Sphserium corneum L. Sixty counties. 



Eng. S. 6-7 9 11—25 27—30 32—34 37—40- Wales 

 41-42 45 47 52. Eng. N. 53—67 69. Scot. 73 76 81 

 83 88 — 90 112. Irel. 115 144. 

 S. rivicola Leach. Nineteen counties. 



Eng. S. 6 17 21—23 32—34 37 39. Eng. N. 53 

 56 — 59 62 — 64 67. No records for Wales, Scotland, or 

 Ireland. 

 S. ovale Fer. Seven counties. 



Eng. S. 17 21 38. Eng. N. 59 62 — 64. No records 

 for Wales, Scotland, or Ireland. 

 S. lacustre Miill. Thirty-three counties. 



Eng. S. 3 6-7 II— 13 15—17 19 21 27-28 32 34 

 37—40. Wales 41 44 49-50- Eng. N. 55—57 59 61—64 

 66-67. No records for Scotland or Ireland. 

 Pisidium amnicum Miill. Twenty-nine counties. 



Eng. S. 6 II 13 17 — 24 27 — 29 38-39. Wales. 42. 

 Eng. N. 53 55 — 65 67. No records for Scotland or 

 Ireland. 



