OF THE WATER-BEETLE PELOBIUS TARDUS. 81 



Typomap showing Britannic distribution of Peloihus TAitrns Herbst. 



SI 

 01 







NS 



CA 







HB 





ss 











RW 



RE 



EL 



BF 



AN 



S 















Wl 



El 



PN 



AS 







AM 



PM 



FF 



Kl 





M 















DN 



SG 



PC 



KF 





1 



B 











CT 





RF 



LL 



ED 



HD 



AY LA PE BW NN 



WD ED LD AN WT KB DF SK RX ^ 



FE TY AR DO CU WL NY DM 



IM — 

 WM SL LE MO ML MY EY 



EM RO CV LH SL WY SY LN 



A ~ 



WG NG LF WH ME OR DB FT OH DY NM LS 



SG KG KD DU MN MG SP ST LR CB WN EN 



CL NT QC CW VVI CD RA _HF WO WW NO HU WS ES 



NK LK ST KK WX PB CM BR GE OX BX BD HT N_E 



SK MC EC WA CM MM GW NW Bj< MX SE 



V^/G NS SW NH SR WK EK_ 



L — — 



ND SS _DT _SH WX EX 



EC SD jW^ 



SC WC 

 Underlined letters indicate Count}' and vice-County from wliich Pelobius lias been recorded. 



BIv. = Berks. CB. = Cambridge. CL.=Clare. CU.=Cumberland. DT.= Dorset. DV. = Derby. 



ED. (Scot.)=Edinburg-li. EK.=East Kent. EN.=East Norfolk. ES.=Ea.st Suffolk. 

 EX.=East Sussex, GM. = Glamorgan. HF. = Hereford. IW. = I. of Wight. 



LN. = Lincoln, North. LE.=Leicester + Rutland. MC.=Mid Cork. MX. = Middlesex, 

 NE.=North Essex. NH.=North Hants. NS. (Eng.)=North Somerset. SE.=Soutii Essex. 

 SH. = South Hants. SL. (Eng.)=South Lanes. SN.=South Northumberland. SH.=Surrey. 

 ST. {Eng.) = Statford. SY.=South-East Yorks. WL (Ire.) = Wicklow. WK.= West Kent. 

 WN. = West Norfolk. W0.= Worcester. WW.=Warvvick. WY.=South- West Yorks. 



PROC. ZooL. Soc— 1922, ]^o. VI. 6 



