R. STANDEN I LAND AND FRESHWATER MOLLUSCA. 1 67 



At Moss Mill, Dean Lane, Newton Heath, at the Failsworth 

 end of the gote that supplies the works, it is very fine and large; 

 also, in the ponds about Formby ' (Dyson's List, 1850). 



L. stagjialis was not in certain pits in Moss Lane, 1841-46, 

 but abundant in i860, and afterwards died out (R.D.D.). 

 Limnaea palustris Miill. Common at Farrington, Ashton, Newsham, 

 Penwortham, Tarleton, and Crossens. A dwarf form occurs 

 plentifully in a pond at Grimsargh. Canal at Burnley (F.C.L.). 



' Ditches and stagnant pools. Plentiful in the district ' 

 (Hardy's List, 1865). 



' In the pits behind the Bull and Punchbowl, and in pits on 

 the roadside near Chorlton ; and near Beswick Waterworks, 

 Old pitsteads in Chorlton Fields. It is also common in the 

 neighbourhood of Preston' (Dyson's List, 1850). 



Common : of a medium coarse form (R.D.D.). 

 var. roseolabiata Jeff. Not uncommon at Penwortham ; plentiful 

 at Clifton. Occurs at Grimsargh. 

 Limnaea truncatula Miill. Very plentiful in pond at Swinton. A few 

 at Cadley, Farrington, Birch, Crossens, Ightonhill near Burnley 

 (F.C.L.), and Tarleton. Very fine in Prestwich Clough, and in 

 a small pond near Lytham. Canal and ponds, Haslingden 

 (H. Stephenson). One with spiral bands (see ' Journal of 

 Conchology,' October 1885) at Ashton, near Preston. 



' Pits near St. John's Church, Broughton, near Manchester ; 

 and in ponds at Cheetham Hill ' (Hardy's List, 1865). 



' Clay pits on the Cheetham Hill Road, near the Catholic 

 Chapel, and in the ditches and shallow waters near Beswick 

 Waterworks. Common at Lytham' (Dyson's List, 1850). 



A few large ones in a pit near Moss Lane. Plentiful on wet 

 rocks. With Gill, Chaigeley (R.D.D.). 



Occurs on a wet wall at Agecroft (T.R.). 

 var. mierostoma Drouet. 



Abundant in a ditch near Southport (T.R.). 

 Limnaea glabra Miill. Occurs in a pond at Birch, and near the 

 Lumb Colliery, Clifton. Two specimens from canal at Church 

 (H. Stephenson), 



' Common in pits and ditches in Chorlton Fields, and in many 

 other places' (Hardy's List, 1865). 



' Pitstead on the new road from Ardwick to Gorton. Common 

 in the ditches of Moss Lane, and in holes in the adjoining fields. 

 Also near Liverpool' (Dyson's List, 1850). 



Notably common in ' swashes ' in fields after heavy rains 

 (R.D.D.). 



June 1887. 



