SPECIES OF PISIDIUM. 89 



MIDDLESEX. MX. 



Bedfont [J. E. C.]; Bushey Park [J. E. C.]: Colnbrook [J. E. C.J; 



Edgewaro [J. E. C.] ; Harefield [C. 0.] [J. E. C.] ; Uxbridge 



[J. E. C.]; West Drayton [\V. M. W.] [J. E. C.]. 

 NORFOLK, WEST. WN. 



Hunstanton [J. E. C.]. 

 NOTTINGHAMSHIRE. NM. 



Hoveringham [C. 0.] ; Nottingham (Canal) [C. 0.]. 



Ox KORDSHIRE. OX. 



Oxford [H. C. N.]. 

 SHROPSHIRE. SP. 



Bridgnorth [E. C.]. 

 SOMERSETSHIRE, NORTH. NS. 



Glastonbury [H. C.] ; Kenn Moor [B.M. 1911.10.26: 7749- 



51]; Walton Moor [B.M. 53.12.6: 32-41 part & 1911.10.26: 



7730-36]. 



S r A FFOR DSH IRE . ST. 



Barlaston [C. 0.]; Cannock Chase [H. 0.] ; Himley [H. 0.] ; 



Staiford (Canal) [E. C.] ; Wightwick, Wolverhamptou (Canal) 



[H. 0.] ; Willenhall [H. 0.]. 

 SUFFOLK, WEST. WS. 



Mildenhall [A. M.]. 

 SURREY. SR. 



Byfleet [W. M. W.] ; Chertsey Mead [B. B. W.] ; Kew to 



Kichmond [W. M. W.] ; Ranmore Common [A. S. K.]. 

 WARWICKSHIRE. WW. 



Button Coldfield district [H. 0.] [W. M. W.]. 

 WILTSHIRE, SOUTH. SW. 



Salisbury [B. B. W.]. 

 WORCESTERSHIRE. WO. 



Worcester [C. 0.] ; Yardley Wood [H. 0.]. 

 YORKSHIRE, MID-WEST. MY. 



York [B.M. 40. 10. 9 : 41-46]. 

 YORKSHIRE, NORTH-EAST. EY. 



. Scarborough [Camb.] ; York [B.M. 40. 10. 9 : 41-46]. 

 YORKSHIRE, SOUTH-EAST. SY. 



York [B.M. 40. 10. 9 : 41-46]. 

 ISLE OF MAN. IM. 



Near Ballaugh [F. T.]. 

 ISLE OF WIGHT. IW. 



Sandown [H. C. N.]. 



WALES. 



ANGLESEY. A. 



Cemmaes [C. 0.] [J. E. C.] ; Gaerwen [J. E. C.] ; Holland Arms 



[J. E. C.] ; Pentraeth [J. E. C.] ; llhosneigr [J. E. C.]. 

 CARMARTHENSHIRE. CM. 



Pendine [W. M. W.]. 

 CARNARVONSHIRE. CR. 



Llanrhychwyn (Reservoir 700') [C. 0.]. 



