PEARCE AND MAYFIELD : MOLLUSCA OF EAST NORFOLK. 395 



Var. minor Moq. Frequently with others. Yelverton, 

 Alpington, Old Lakenham Churchyard, Trowse (S.S.P.) : 

 Heigham, Hellesdon (A.M.). 



Var. conoidea Picard. Yelverton (S.S.P. ). 



Var. grisea Moq. Yelverton (S.S.P.) j Hellesdon (A.M.). 



Var. exalbida Menke. Not uncommon in hedges at Yel- 

 verton and Alpington. A single example in Old Lakenham 

 Churchyard with type and var. minor (S.S.P.) ; Thorpe, 

 Hellesdon (A.M.). 

 H. n em oral is L. Common in hedges in company with the 

 next species, which it outnumbers. We are able to record 

 the following varieties : — 



Var. minor Moq. Alpington, two specimens, libellula ooooo 

 (S.S.P.) ; Earlham and St. Faith's (A.M.). 



Var. roseolabiata Taylor. x-Mpington (S.S.P.) ; Earlham 

 (A.M.). 



Var. iibelluia (Risso). Common. Alpington, Yelverton, 

 Thurton, etc. (S.S.P.) : Earlham, Catton, etc. (A.M.). 



Var. rubella Moq. Fairly common. Thurton, Yelverton, 

 etc. (S.S.P.); Earlham and Hellesdon (A.^L). 



Var. castanea Moq. Not frequent. Alpington (S.S.P.) ; 

 Earlham, Horsham, St. Faith's (A.M.). 



Var. oiivacea (Risso). Rare. Alpington (S.S.P.). 



Var. cornea. Not unfrequent in the marsh land as well as 

 in the uplands. Surlingham, Reedham (S.S.P.) ; Earlham 

 (A.M.). 



Var. diaphana. A single specimen at Yelverton (S.S.P.). 



Var. hyalozonata. A single specimen at Earlham (A.M.). 

 H, hortensis Miill. Plentiful, though not so generally dis- 

 tributed as H. neuioralis. The form that predominates is 

 the var. albbia with var. lutea. 



Var. fuscolabiata Taylor. Alpington (S.S.P.). 



Var. albina Moq. Alpington, Rockland. Yelverton (S.S.P.); 

 Catton, Old Lakenham (A.^L). 



