222 PROCEEDINGS OF THE MALACOLOGICAL SOCIETY. 



15. YiTREA EoGEESi, B. B. Woodward. 



Harefield, Yiewsley, Stanmore, FincUey, East Finchley, High gate 

 Woods, near Hendon, Hampstead, and Muswell Hill. Yery widely 

 distributed and abundant in some localities on the higher ground. 



Yar. viridans, Ckl. A single example from near Hendon. 



One specimen of the type from Finchley has a flat spire. 



16. YiTREA ALLiAMA (Miller). 



Harefield, Yiewsley, Bedfont, Stanmore, Hampstead Heath, Muswell 

 Hill, Highgate, Finchley, East Finchley, and JNeasden. Widely 

 distributed over the county, but nowhere common. Its usual habitat 

 is among dead leaves in old woodland. 



Another record is Hendon (C. C. Fryer, S.G., 1889, p. 259). 



17. YiTKEA NiTiDULA (Drap.). 



The commonest Vitrea in Middlesex ; it occurs wherever the ground 

 is suitable. 



18. YiTREA PFRA (Alder). 



Harefield, Greenford, Acton, Ealing, Willesden, East Finchley, and 

 Highgate. It occurs in colonies, but is not a common shell. 



Yar. nitidosa, Gray. Harefield and East Finchley, with the type. 



19. YiTREA RADiATULA (Alder). 



Harefield, Acton, Highgate, Finchley, and East Finchley. Always 

 found sparingly and somewhat rare. 



20. ZONITOIDES NITIDUS (MiiU.). 



Harefield, ITxbridge, Yiewsley, near Colnbrook, Stanwell Moor, 

 Greenford, Southall, Bedfont, Alperton, Willesden, Acton, Ealing, 

 Hampton Court, IS^easden, and Ponders End. It is common in suitable 

 spots in the Colne Yalley, and occurs sparingly in the other localities 

 mentioned. 



It is also recorded for Enfield (S. C. Cockerell, S.G., 1883, p. 9). 



21. EuCONULTJS EULVUS (MulL). 



Harefield, ITxbridge, Yiewsley, and near Colnbrook. I*lot uncommon 

 on the margins of ditches in the Colne Yalley. At Harefield it lives 

 in a wood among dead holly-leaves. 



22. Arion ater (L.). 



Yiewsley, Twickenham, Fulham Palace, Ealing, Hendon, and 

 Finchley. Widely distributed and rather common ; it is usually 

 typical in colour, occasionally brown or creamy-white. 



Yar. succinea, Miill. Immature specimens at Harefield and East 

 Finchley; also recorded for Highgate (T.M., ii, p. 182) and Bedford 

 Park (T. D. A. Cockerell, S.G., 1885, p. 224). 



Yar. castanea, D. & M. Finchley ; also recorded for Acton, Bedford 

 Park, Bush Hill Park, Highgate, and near Hendon (T.M., ii, p. 176). 



Yar. plumhea, Boeb. Highgate and Bedford Park (T.M., ii, p. 179). 



Yar. rufa, L. Bedford Park (T. D. A. Cockerell, S.G., 1885, 

 p. 224). 



