R. STANDEN : LAND AND FRESHWATER MOLLUSCA. 1 65 



hand side of the new road from Ardwick leading to Gorton ' 

 (Dyson's List, 1850). 



Frequent and fine in Moss Lane Pits (R.D.D.). 



Common in pits at Clayton, near Manchester (T.R.). 

 var. major Charp. Not uncommon at Tarleton. 

 Physa fontinalis L. Somewhat rare at Tarleton, Redscar, and 

 Crossens ; but very plentiful and fine at Penwortham, Walton- 

 le-dale, and Worsley. Numerous, but very small, in the canal 

 at Newsham. Pond at Lytham. Canal at Molyneux, 1886 

 (J. A. Hargreaves). Canal, Church, near Accrington (H. 

 Stephenson). 



Plentiful in pits at Greenheys (T.R.). 



' Plentiful in ditches near Jackson's Boat ' (Hardy's List, 1865). 



' Very fine at ^Moss Mill, Dean Lane, Newton Heath, at the 

 bottom of the hill close to the Leeds Railway Bridge (at the 

 Failsworth end) in a gote, or water, which supplies the works ; 

 and in the pits on Heywood's farm, Moss Lane ' (Dyson's List, 

 1850). 



Frequent and fine in 'Moss Lane Pits (R.D.D.). 

 var. oblonga Jeff Is not uncommon at Walton-le-dale. 

 var. albina Jeff. Taken at Farrington, by Mr. Heathcote. 

 Limnsea peregra Miill. This variable species is abundant nearly 

 everywhere in the different localities we have searched. 



' Sometimes found in merely damp places. As variable as it 

 is common ' (Hardy's List, 1865). 



' Nearly every clay-pit in Cheetham has a distinct variety, and 

 there is scarcely a sheet of water anywhere that does not contain 

 it. At Blackley and Crumpsall it is very fine ; and in all the 

 pits in Chorlton Fields, in Beswick Waterworks, at Reddish, 

 Gorton, and Droylesden, it is common. In Dallam Brook, 

 near Warrington, occurs a variety of a reddish-bro"\vn, with highly 

 raised strife' (Dyson's List, 1850). 



A variety very ' auricularian ' occurs in Moss Lane Pits 

 (R.D.D.). 



var. ovata Drap. Plentiful at Prestwich, Worsley, Swinton, 

 Burnley Canal (F.C.L.), and Penwortham. It is remarkably 

 fine at Birch. 



var. oblonga Jeff. Pond in Rooden Lane, Prestwich. Only a 

 \cry few found : type absent. The pond is used as a cinder-tip, 

 and contains no other species of shell. Mr. Heathcote has 

 taken one specimen of this variety at Grimsargh, near Preston. 



var. Candida Porro. Some nice specimens have been taken from 

 the canal at Newsham. 



June 1887. 



