256 Oldham : Cheshire Land and Fresh-water Mollusca. 



Vitrea yadiatula (xA.lder). Weaverham ! Barnton ! (B.R.L.). 

 Poynton (J. W. Jackson, 'J. of C, vol. x.. p. 336). Romiley ! 

 (CO.). 



Zonitoides nitidus (Miill.). Poynton (J. W. Jackson, 

 'J. of C, vol. X., p. 336). Bredbury, May, 1896! Beeston 

 Castle, September, 1900 ! Knutsford Moor, October, 1902 ! 

 (CO.). 



Zonitoides excavatiis (Bean). Marbury, near Northwich ! 

 Weaverham ! (B.R.L.). 



Zonitoides excavatus v. vitrina Fer. Marbury, near North- 

 wich ! Weaverham ! (B.R.L.). Beeston Castle, September, 

 1900 ! Capesthorne, September, 1900 ! (CO.). 



Fam. Arionid^. 



Avion ater (L.) v. aterrima Taylor. Sale ! (Taylor, ' Mon.', 

 vol. ii, p. 175). This form is not uncommon. 



A. ater v. rufa L. Marple ! (Taylor, ' Mon.', vol. ii., p. 181). 



Avion siihfuscus (Drap.) v. succinea Bouillet. Romiley! 

 (Taylor, 'Mon.', vol. ii., p. 202). 



Avion intevmedius Norm. Goyt Valley, Taxal ! Bosley ! 

 Wincle ! Alderley Edge ! Capesthorne ! Weaverham ! Swetten- 

 ham ! Beeston Castle ! Crowden ! (CO.). 



A. intevmedius v. plumhea Collinge. Peover, J. G. Milne, 

 August, 1885 (Taylor, ' Mon.', vol. ii., p. 247). 



Avion hovtensis Fer. v. fasciata Moq. Knutsford, Congle- 

 ton (T. D. A. Cockerell, ' Nat.', 1886, p. 57). 



Avion fasciatus Nilss. v. neustviaca Mab. Bowdon, Carring- 

 ton, 1884, J. G. Milne (Taylor, ' Mon.', vol. ii., p. 232). 

 Fam. Endodontid^. 



Punctum pygvncBum (Drap.). Weaverham ! (B.R.L.). Min- 

 shull Vernon, October, 1902 ! (CO.). 



Sphyvadium edentulum (Drap.). Weaverham ! (B.R.L.). 



Pvyamidula votundata (Miill.) v. tuvtoni Fleming. Gatley 

 {J. W. Jackson, ' J. of C, vol. x., p. 87). 



Fam. Helicid^. 



Helicetla caperata (Mont.). Near Beeston Castle Station, 

 September, 1900 ! (CO.). Banks of the Weaver at Barnton, 

 April, 1905 ! (B.R.L.). 



Helicetla havhava (L.). The ' cop ' at Burton Point, 1906 ! 

 (CO.). 



Hygvovnia fusca (Mont.). Marbury, near Northwich ! 

 Weaverham ! (B.R.L.). Beeston Castle, September, 1900 ! 



Naturalist, 



