CENSUS. 103 



Azeca tridens (Pult). 



Eng. S. i '6 12 14 17 19 23 30 33-34 3739. Wales 

 48. Eng. N. 5658 60 6267 69. Scot. 87. No records 

 for Ireland. 

 Cochlicopa lubrica (Mull). 



Eng. S. 04 625 2730 32 40. Wales 41 43 45 

 4752. Eng. N. 5369 71- Scot. 73 75^3 8593 

 96 101 103 105 107 no ii2. IreL 113 115 117 

 119-120 122 124 129 132 135 139 144 146 148. 

 Caecilioides acicula (Miill.). 



Eng. S. 6 815 17 19 22-23 28 3 3 2 34 36- Eng. N. 

 55 57 62 64 67. Irel. 124. No records for Wales or 

 Scotland. 

 Carychium minimum Miill. 



Eng. S. i 3 6 9 n 13 23 25 27-28 30 3234 36 

 38-39. Wales 41 45 4852. Eng. N. 5467 69. Scot. 

 73 75 77 8082 85 101 104 107. Irel. .113 126 138-139 

 144 148. 

 Cyclostoma elegans (Miill.). 



Eng. S. i 36 917 19-20 2224 2730 3336. 

 Wales 41 45 50. Eng. N. 54 62 64 69. No records for 

 Scotland or Ireland. 

 Acicula lineata (Drap.). 



Eng. S. 6 15 23. Eng. N. 57 60 62 64 66 70. 

 Scot. 75-76. Irel. 148. No records for Wales. 

 Sphaerium corneum (L.). 



Eng. S. 3 69 1125 27 34 3640. Wales 41-42 

 45 47 52. Eng. N. 5367 69. Scot. 73 76 8090 95 

 107 109. Irel. 114 118 120 122 125 132 135 137-138 

 142 144. 

 S. rivicola (Leach). 



Eng. S. 6 9 17 2123 3234 37~39- E"g- N. 53 

 56 59 6 1 64 67. No records for Wales, Scotland or 

 Ireland. 

 S. pallidum Gray. 



Eng. S. 17 21 3739. Wales 47. Eng. N. 58-59 

 62 64. No records for Scotland or Ireland. 

 S. lacustre (Miill.). 



S. 3 57 913 1517 19 21-22 2730 32 34 



