110 



CATALOGUE OF 



DISTRIBUTION. 



si 

 01 



HB 



CT 



WD ED LD AN 



FE TY AR DO 



WM SL LE MO 



EM RO CV LH 



WG NG LF WH ME 



_S6 KG KD DU 



CL NT OC CW Wl 



NK LK ST KK WX 



SK MC EC WA 



we 



N8 CA 

 88 



RW RE EL BF AN 

 Wl El PN AS 

 AM PM FF K! 

 DN 86 PC KF 

 RF LL ED HD 

 AY LA PE BW NN 

 WT KB DF 8K RX 8N 



CU WL NY DM 

 ML MY EY 

 8L WY SY LM 

 CR DB FT CH DY NM L8 



MN MG SP 8T LR CB WN EN 

 CD RA HF WO WW NO HU WS ES 

 PB CM BR GE OX BX BD HT NE 

 GM MM GW NW BK MX 8E 



N8 SW NH SR^WK EK 

 ND 88 DT 8H WX EX 

 EC 8D IW 



80 WC 



IM 



Cl 



Pisidiwi i steenbuchii . 



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

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



RECENT. 

 ENGLAND. 



BUCKINGHAMSHIRE. BX. 



Boveney [J. E. C.]. 

 CUMBERLAND. CU. 



Abbey Holme [J. L.]. 



