COOPER AND LOYDELL : MIDDLESEX MOLLUSCA. 223 



Var. nigrescens, Moq. Bedford Park (T. 1). A. Cockerell, S.G., 1885, 

 p. 224). 



23. Arion sdbfuscus (Drap.). 



Harefield, Finchley, East Finchley, and near Hendon. Not very 

 common, but plentiful where it does occur. 



Yar. hrunnea, Lehm. Highgate (T.M., ii, p. 199). 



Var. cinereofusca, Drap. Harefield and Finchley ; also recorded 

 for Highgate (T.M., ii, p. 200). 



24. Arion inxermedius, Normaud. 

 Yiewsley, Uxbridge, Neasden, and Finchley; probably in other 

 localities besides, but it is easily passed over as juvenile A. ater. 



25. ARiofr HORTENsis, Fer. 

 Abundant everywhere, especially in gardens. 

 Var. grisea, Moq. Bedford Park (T.M., ii, p. 216). 

 Yar. ccerule a, Collinge. Ealing (T.M., ii, p. 216). 

 Var. suhfusca, C. Pfr. Bedford Park (T.M., ii, p. 217). 

 Var. rufescens, Moq. Bedford Park (T.M., ii, p. 218). 



26. Arion fasciatus, Nilsson. 



Harefield, Bedfont, Hampton Wick, Fulham Palace, Neasden, 

 Stanmore, East Finchley, Highgate, and Ponders End. Not un- 

 common. It lives in the open country as well as in woods. It has 

 also been recorded from Hayes, Han well, Isle worth, Chiswick, and 

 Muswell Hill. 



Var. JSeustriaca, Mab. Highgate (T.M., ii, p. 232). 



27. I'uNCTUM PYGM^UM (Drap.). 

 Harefield, Yiewsley, and near Colnbrook : apparently rare. 



28. Sphyraditjm edentulum (Drap.). 



Uxbridge. The locality was destroyed a few years ago when the 

 new railway line was built. 



29. Pyramidula rotundata (Miill.). 

 Very common everywhere. 



Var. Turtoni, Flem. Near Hendon. 

 Var. alha, Moq. Finchley. 



We have a sub-scalariform example from Chiswick. A sinistral 

 specimen is also recorded for that place (J.C., viii, p. 171). 



30. Helicella virgata (Da Costa). 

 Harefield : a rare shell in Middlesex. 



31. Helicella caperata (Mont.). 

 Harefield, West Drayton, and Acton. It is also recorded for 

 Isleworth (J.C, vi, p. 309). 



32. Helicella Cantiana (Mont.). 

 Acton, Finchley, Ponders End, etc. Scattered colonies occur all 

 over the county. It is abundant round Harefield, and along the 

 valley of the Colne down to Staines. 



