110 CATALOGUE OF 



DISTRIBUTION. 



si 

 01 



NS CA 

 HB 88 



RW RE EL BF AN 



! Wl El PN AS 



AM PM FF Kl 



! " DN 86 PC KF 



CT RF LL ED HD 



AY LA PE BW NN 



WD ED LD AN WT KB DF 8K RX SN 



FE TY AR DO CU WL NY DM 



WM SL LE MO ML MY EY 



ZM RO CV LH 8L WY SY LN 



WG NG LF WH ME CR DB FT CH DY NM L8 



S6 KC KD DU MN MG SP 8T LR CB WN EN 



CL NT OC CW Wl CD RA HF WO WW NO HU WS E8 



NK LK 8T KK WX PB CM BR GE OX BX BD HT NE 



SK MC EC WA GM MM GW NW BK MX^ 8E 



WC N8 SW NH SR^WK EK 



L ND 88 DT 8H WX EX 



EC 8D IW 



SC WC 



Cl 



Pisidium steenbuchii. 



(Recent occurrences are shown in red : fossil occurrences by a lino 

 below the symbols. For the explanation of the symbols see p. 20.) 



RECENT. 



ENGLAND. 



BUCKINGHAMSHIRE.- BX. 



Bovcney [J. E. C.]. 

 CUMBERLAND. CU. 



Abbey Holme [J. L.]. 



