FAUNA AND FLORA OF NORFOLK : NON-MARINE MOLLUSCA. 807 
E. At the bends of the Kiver Yare near 
arlingham Ferry and Brainerton (Bridgman 
Anodonta CYGNiEA (Linne). v g n an. 
L ' a " d Bure ' Postwick - Bramerton, 
in ^. C 6 S ' S ‘ P ' ) ' He, Sham, Hellesdon (A.M.) 
w. North Wootton (T.P.), Weeting (A.M.). 
,, var. an'atina, Linne. 
B. In the rivers Yare and Bure (S.S.P.). In 
the VVensum at Heigham and Hellesdon 
(A.M.). 
, W. Bio Norton (A.M.). 
Sph/Erium corneum (Linne). Very common in ponds, 
ditches and rivers. 
„ var. vittata. 
VV. Saddlebow (T.P.). 
„ var. flavescens, Macgill. 
E. Horning Ferry. Brundall (S.S.P.), Colney 
(A.M.). 
„ var. nucleus. Stud. 
E. Bramerton, Whitlingham (S.S.P.). 
W. St. Germans (T.P.). 
„ var. pisidioides, Gray. 
E. Brundall (S.S.P.), Colney (A.M.). 
S. lacustre (Mliller). 
E. In the Bure and Yare valleys at Surlinghain 
Ferry. Brundall. Horning (S.S.P.), Thorpe, 
Old Lakenham, Colney (A.M.), Holt (T.P.), 
Heigham (Bridgman). 
W. Lynn, Wormegay, Saddlebow (T.P.). 
Pisidium amnicum (Miiller.) 
E. Bramerton, Brundall. Coldham Hall, Stoke 
Holy Cross (S.S.P.), Colney, Thorpe, Old 
Lakenham (A.M.). 
W. Wormegay (T.P.), Weeting (A.M.). 
P. henslowianum (Sheppard). In ditches. Rare. 
W. Lynn (Bridgman). 
P. SUBTRUNCATUM, Malm. [ = P. fontinale, Jeff). In ditches 
amd rivers. Common. 
