104 LAND AND FRESH-WATER SHELLS. 



3740. Wales 41 45 475 5 2 - En g- N - 5457 59 

 61 6466-67. Scot. 78 82-8385 106. Irel. 114-115 127 142. 

 Pisidium amnicum (Mull.). 



Eng. S. 6 9 ii 13 15 17 24 2729 31 36 38-39. 

 Wales 41-42. Eng. N. 53 5565 67. Scot. 86-87 99- 

 Irel. 118 123 142 144. 

 P. fontinale (Drap.). 



Eng. S. o-i 3 5 7 9 13 17 19 21 28 30 32 34 

 3740. Wales 41 44-45 47 52. Eng. N. 5367 69. 

 Scot. 73 75 79 83 90 95 100*101 106 108. Irel. 118 124 

 136 142 144. 

 P. pusillum (Gmel,). 



Eng. S. o 7 9 1117 1921 23 2630 32-33 3640. 

 Wales 41-42 45 47 49 52. Eng. N. 53 64 66-67 69-70. 

 Scot. 73 75 84 87 90 99 102 105 108 no. Irel. 

 ^S-^S 138-139 142 144 148. 

 P. nitidum Jen. 



Eng. S. 5-6 lo-n 13 16 23 28 30 37-38. Wales 41-42 

 52. Eng. N. 54 5659 61 6365 67-68. Scot. 83 85 92 

 94 100 112. Irel. 113 118 138 142. 

 P. milium Held. 



Eng. S. o 3 5-6 11-12 15 17 20-21 25-26 30 32 40. 

 Wales 4547 52- Eng. N. 5458 63 66. Scot. 73 80 

 82-83 85 87-88 96. Irel. 138. 

 Unio tumidus Phil. 



Eng. S. 6 19 21 23 2932 34 36 39. Wales 47-48. 

 Eng. N. 53 59 61 64. No records for Scotland or Ireland. 

 U. pictorum (L.). 



Eng. S. 6 8 13 17 19 21-22 27 29-30 32 36 39. Wales 

 47. Eng. N. 53 60 62 64 68. No records for Scotland 

 or Ireland. 

 U. margaritifer (L.). 



Eng. S. 36. Wales 45 4850. Eng. N. 60 62 67 71. 

 Scot. 76-77 8790 98 108 112. Irel. 126 137 144-145. 

 Anodonta cygnea (L.). 



Eng. S. 8-9 ii 1721 23 25 27-28 3034 3640. 

 Wales 42 45 47. Eng. N. 53 67. Scot. 73 76 828$ 90, 

 Irel. 115 132. 



