SPKCIKR OF PIS1DIUM. 



RECENT. 



ENGLAND. 



LONDON. 21. 



Battersea [Gray Coll., B.M. 1906. 6. 18 : 1-4] ; Finchley Common 

 [J. E. C.] ; Thames at Putuey [W. M. W.]. 



BueKIXGHAMSHIKE. BK. 



Ivcr [J. E. C.] ; near Uxbridge [J. E. C.] ; Weston Turville 



[J. E. C.], 

 CHESHIRE. CH. 



Baguley [C. 0.] ; Birkenhead [E. R. S.] ; Brines Brow, 



Mould.sworth [C. 0.] ; Chester [B. B. W.] ; Helsby [B. B. W.] ; 



MobboTley [0. O.] ; Mouldsworth [J. E. C.] ; Oakmere [C. 0.] ; 



Ringway*[C. O.]. 

 Cr.MHEKLAxn. CU. 



Ufissenthwaite [\V. J. F.] ; Dalston [J. L. j ; Wreay [J. L.J. 

 DKVONSHIKE, NOISTU.-- ND. 



Morthoo district [,I. L.J. 

 DTK HAM. DM. 



JUittenvick [B.M. 1911.10.20: 7046-48]; EhvickfB.M. 

 ' 1011. K>. i>0: 7863-72]; Xewsham ( E. R. S.J. 

 ESSEX, XoitTii. NE. 



Birch [W. M. W.j ; Coggcshali [B.M. 47.11.19: 148-102]; 



Colchester (?) [W. M. W.J. 



Hr.UIKi)l<IiS|[Il;K. HT. 



Aldenlmin [C. O.j; Berkhampstead [C. ().] ; Colney Healh 



[C. O. ) ; Marsworth Reservoir [C. ().] ; llickui ans worth [C. O.J ; 



Park Street, St. Albuus [C. 0.]." 

 KKXT, EAST. EK. 



Deal [H. O.J ; Marsh side, near Reculver [J. E. C.J. 

 LANCASHIRE, MID. ILL. 



Lytham [W. M. AV.J. 

 LANCASHIHK, SOUTH. SL- 



Hesketh Bank, Southport [A. S. K.J ; Liverpool [H. 0.] ; 



Manchester [W. M. W.] [J. E. C.J ; Swiiilon [T. R,]. 

 LEICK&TERSHIRE. LR. 



Staverton [A. S. K.l. 

 LIXCOINSHIRE, NORTH. LN. 



Linwode [C. 8. C.J; oS'ewstead [C. S. C.]; !North Somercotrs 



[C.S.J. 

 MIDDLESEX. MX. 



Bnshey Park [J. E. C.J ; Grcenford [J. E. C.J; Harefield 



[J. K/C.J. 



NOKTHAMPTOH8HIRK. NO. 



Ketterin- (Hot water tank c. 70) [C. E. W.J. 



O\ b'ORDSH IKE. OX. 



Peeseniore Piece, near Marston Copse [II. C. X.]. 

 SOMERSETSHIRE, NORTH. NS. 



Clevedon & Kenn Moor [B.M. 53. 12. 6 : 42-52 & 191 1. 10. 26 : 

 7663 80, 7803-7W8J. 



