RIJKHUCK MKMUKIAI, NU.MliER. 175 



Sphyradium f / 't•;'/4'r^ C'c/wwc/A/) edentulum. 115. In wild and 



cultivaled places generally. 

 S. minutissimum. 10. Very rare in dry places on hillsides, etc. 



Isle of Wight to Edinburgh and in Kerry N. Holocene in 



Cheshire. 

 Balea perversa. 129. In dry places on walls and trees (apple, 



elm, etc.) generally. 



Clausilia laminata. 6r. In woods, hedges, etc., generally in 

 England ; rare in Wales, Scotland (to Kincardine) and Ireland. 



CI. biplicata. 4. On the ground and on willow trees near rivers 

 at Purfleet (Essex S.), Chiswick (Middlesex), Mortlake (Surrey) 

 and Cambridge. Museum records for "Herts." [Froc. Afal. Soc, 

 V, 11) and Leckhampton, Gloucester E. {Journal^ xiv, 57) require 

 confirmation. 



CI. cravenensis {dubia). 9. On walls and rocks in Durham, 

 Cumberland, Westmorland, Yorks. N.A\^, M.W. and S.A\'. and 

 Lanes. W., near Kettering, Northampton, and at Dover, Kent E. 

 [Journal, vii, 422; xiii, 276; xiv, 161). Museum records for 

 Yorks. N.E., Maldon in Essex S., Stow ^Vood, Oxford and 

 " Suffolk " require confirmation. 



CI. bidentata {rugosa, perversa). 146. Wild and cultivated land 



generally. 

 CI. rolphii. 18. Local in hedges and copses on calcareous soil in 



south England from Kent to Lincoln, Salop and Devon S. 



Succinea putris. 136. S. elegans {pfeifferi). 123. Marshy 



places and margins of rivers generally. 

 S- oblonga (incl. arenaria). 22. Marshes and sand-dunes, very 



rare, Kent and Devon to Perth S., formerly at Battersea. Surrey : 



more frequent in Ireland. 

 Carychium minimum. 141. Almost ubiquitous. 



Phytia {^Conovulus) myosotis {denticulata). 2 1. Brackish water in 



river estuaries north to Edinburgh. 

 Ovatella {Conovulus) bidentata. 14. Brackish and salt water 



south England and Ireland. 



Ancylus fluviatilis. 137. Quick running water, springs, lakes 

 and mountain tarns generally. 



A. ( VeUeiia, Acroloxiis) lacustris. 86. Ponds, lakes and sluggish 

 rivers north to Aberdeen ; not so common in Ireland. 



Limnasa auricularia. 90. Large ponds, lakes, slow rivers, canals 

 north to Elgin : var. acuta is recorded from Kent W., Warwick, 

 Lanes. S. and W., Yorks. S. \V., Anglesea, Kirkcudbright, Rox- 



