802 FAUNA AND FLORA OF NORFOLK : NON-MARINE MOLLUSCA. 
L. palustris, var. variegata. 
W. Ditch near the Ouse, Lynn (T.P.). 
,, vai. ROSEOLABIATA, Jeff. 
W. Saddlebow, Lynn (T.P.). 
L. truncatula (Miiller). In marshes and ditches. 
E. Banks of the river at Bramerton, Ditches on 
Costessey Common, Roydon Fen, Flordon 
Common (A.M.), Holt (T.P.), Whitlingham 
(Bridgman). 
W. Gaywood, North Wootton, Hardwick, St. 
Germans, Hunstanton (T.P.), Weeting (A.M.). 
L. stagnalis (Linne). Rivers, ditches, and ponds. Common. 
E. Acle, Bramerton, Whitlingham Marsh, Stoke 
Holy Cross (S.S.P.), Old Lakenham, Earlham, 
Weston (A.M.). Pond on Harleston Common 
(Lindley H. Jones). 
W. Gaywood, North Runcton, Saddlebow, St. 
Germans, North Wootton, Babingley (T.P.), 
Abundant in Ring Mere and Lang Mere (A.M.). 
,, var. fragilis, Linne. 
W. Found with the type (T.P.). 
,, var. picta. 
W. Ditch near St. Germans (T.P.). 
L. glabra Muller). 
W. In shallow ponds at Refhey and North Runcton 
(T.P •)• 
Amphipeplea glutinosa (Muller). 
E. In a ditch at Colney. In the River Wensum 
at Heigham and Hellesdon (A.M.), Keswick 
(Bridgman). 
,, var. albida, Williams. 
E. With the type at Colney (A.M.). 
Planorbis corneus (Linne). In ditches. Fairly common. 
E. Acle, Bramerton, Postwick Grove, Whitlingham 
(S.S.P.). Colney, Thorpe, Roydon Fen (A.M.). 
W. Gaywood, Lynn, Middleton. Watlington (T.P.), 
Bio Norton, Weeting (A.M.). 
