IO6 LAND AND FRESH-WATER SHELLS. 



Wales 41 47. Eng. N. 53-54 5665 67. Scot. 73 76-77 

 82 85 90 100 107 no. Irel. 138 144. 

 P. albus (L.). 



Eng. S. i 3 6-7 919 2123 25 27-28 30 3235 

 37 40. Wales 41 45 47 52. Eng. N. 5367 71. Scot. 

 73 76 80 82 87 89-90 99-100 107. Irel. 118 131 136 

 138-139 144 147. 

 P. parvus Say. 



Eng. S. 3 6 9 13 17-18 21 23 38. Eng. N. 5557 

 59 63 65 68. Scot. 82 85 87 90 108 no. Irel. 114 

 138 144. No records for Wales. 

 P. dilatatus Old. 



Eng. N. 59. No records for Wales, Scotland or Ireland. 

 P. spirorbis Mull. 



Eng. S. o-i 3 57 1013 l6 1823 2729 3134 

 37 40. Wales 41-42 4548 52. Eng. N. 5364 66-67. 

 Scot. 73 76 82 84 86-87 89-90 92 100 103 106 108. 

 Irel. 113 127 131 139 142 144. 

 P. vortex (L.). 



Eng. S. o 3 6-7 911 13 1525 2734 3740. 

 Wales 41 42 47. Eng. N. 53 64 70. Scot. 90. Irel. 120 

 127 131-132 142. 

 P. carinatus Miill. 



Eng. S. 3 6 9 ii 15 1725 2734 3739. Wales 

 41-42 47. Eng. N. 5366. Scot. 83. Irel. 113 115 117 

 122 124 131-132 142. 

 P. umbilicatus Miill. 



Eng. S. 3 57 934 3640- Wales 41-42 47 52. 

 Eng. N. 53 67 70. Scot. 73 82-83. I rel - II6 I2 4 I2 7 

 131-132 135 142 144. 

 P. corneus (L.). 



Eng. S. 6 ii 13 1524 2734 3739- Eng. N. 53 59 

 61 65. Irel. 125 142. No records for Wales or Scotland. 

 P. contortus (L.). 



Eng. S. 6-7 9 ii 13 1517 1923 2733 37 39- 

 Wales 48 52. Eng. N; 5364 66. Scot. 73 7783 8590 

 92 100 106. Irel. 113 123 131-132 135-136 138 142 144. 

 Bullinus hypnorum (L.). 



Eng. S. o 3 6 ii 13 16 19-20 28-29 3 J -3 2 34 3640, 



