i64 



R. STAXDEX : LAND AXD FRESHWATER MOLLUSCA. 



Common in similar places to the last species ' (Hardy's Lis:. 

 1S65). 



• Found in most of the pits in Chorlton Fields, and behind the 

 Bull and Punch-bowl, where it is common. In the pits on the 

 roadside of this neighbourhood there are some very fine speci- 

 mens, and also in some ponds about Cheetwood ' (Dyson's List, 

 1850). 



var. rhombea Turt. Occurs plentifully in a pond near Lumb 

 Colliery. Clifton. Canal, Burnley (F.C.L.). 

 Planorbis corneus L. Very abundant and fine in a small pond at 

 Birch. Occurs in canal at Burnley (FCL.). Probably intro- 

 duced. 



A good deal of colonisation used to be practised from pond 

 to pond, and from a distance. J^. corneus was, I think I may 

 say, not to be found in this district in 1S41-46 (or i860?). It 

 is now common in the canal at Gorton — most likely a dealer s 

 colony (R.D.D.). 

 var. albinos IMoq. Some beautiful specimens obtained from the 

 Birch locality. 



Planorbis contortus L. Rather common at Charnock Moss and 

 Ashton-on-Ribble, but is rare at Prestwich, Newsham, Goos- 

 nargh, and Swinton. Plentiful at Glazebur)-. Mill Dam, 

 Blackburn, 1886 (J. A. Hargreaves). Ponds about Hashngden 

 (H. Stephenson). 



' Channel of the overflow weir on the Mersey, near Stretford ' 

 (Hardy's List, 1865). 



* Found in a ditch at Preston, which runs zigzag under the 

 first southern railway bridge. Also in a ditch at Warton, on the 

 road leading to Naze, where they are abundant ' (Dyson's List, 

 1850). 



Yen- abundant, and fine, at Blackpool (R.D.D.). 

 Physa hypnorum L. Plentiful at Penwortham, Tarleton, Crossens, 

 and Worsley. Ver}- fine at Walton-le-dale, and Ainsdale, near 

 Southport. Abundant, but ver}- small, in some of the ditches 

 at Farrington. Ightonhill, Burnley (F.C.L.). Swarms in the 

 Lancaster Canal at Xewsham, near Preston. Occurs at Glaze- 

 bun*. Common about Altham (H. Stephenson). Common in 

 small pond at Ansdell, Lythara. A ver}- beautiful form (J. A. 

 Hargreaves). 



'Pits, etc., in many place?. Plentiful in small pools after rain 

 in spring' (Hardy's L:- - - . 



'Found in the ditcr.e-- :: ^loss Lane, Greenheys, and in holes 

 in the adjoining fields. Common in an old pitstead on the left- 



Naturalisc, 



