494 Proceedings of the Royal Physical Society. 



Elgin. — Near Elgin (G. Gordon). 



Main Argyle. — Glen Morag near Dunoon (W.D.R,). 



Dumbarton. — Crosslet by Dumbarton (W. D.R.). Garscadden (Alex. Shaw). 



Clyde Isles. — Brodick, Arran (A. Somerville). Loch Fad, Bute (T. Scott) 



Cantire. — North side of West Loch, Tarbert (T. Scott). 



Ebudes N. — Eigg (A. Somerville). 



Sutherland W. — East of Kyle of Tongue (W. Baillie). 



Ancylus lacustris (L.). 



This species is local. It is recorded by Dr White for three 

 counties (Edinburghshire in Duddingston Loch, Perthshire, 

 and Aberdeenshire), from one of which specimens have not 

 as yet been submitted for authentication. 



Kirkcudbright.— The Tarff at Ringford (F. R. Coles). 

 Lanark. — Possil Marsh (F. G. Binnie). 



Haddington. — Gosford Ponds ; near North Berwick (W. Evans). 

 Edinburgh. — With vars. alhida and nioquiniana, marsh near Davidson's 

 Mains (AV. Evans). 



Fife and Kinross. — Lindores Loch (T. Scott). Otterston Loch (W. Evans). 



Forfar. — Loch Rescobie (W. Duncan). 



Aberdeen N. — St Fergus Canal near Peterhead (W. Dawson, per G. Gordon). 



Sphserium corneum (L.). 



This species ranges throughout the kingdom, even as far as 

 Shetland. Two counties mentioned by Dr White (Aberdeen- 

 shire and Inverness-shire) have as yet not been represented 

 by authenticated specimens. 



Kirkcudbright. — Loch Finn ; Argrennan ditch (F. R. Coles). Castle 

 Douglas ; Maxwelltown (W. Evans). 



Renfrew.-— Paisley Canal (J. Conacher). Glasgow and Paisley Canal 

 (T. Scott). 



Berwick. ^Fans near Earlston (R. Renton). Coldingham Loch (W. Evans). 



Haddington. — Luffness Marshes (W. Evans). 



Edinburgh. — St Margaret's Loch (J. Whitvvham). Lochend ; Braid Hills ; 

 Marsh near Davidson's Mains; Canal near Slateford, with. \a,v. Jiavescens ; 

 Duddingston Loch (W. Evans). 



Linlithgow. — Canal at Linlithgow, with var. fiavescens (W. Evans). 



Fife and Kinross. — Loch Leven ; Raith Lake ; Burntisland ; Otterston 

 Loch (W. Evans). Kirkcaldy ; Loch Leven (T. Scott). 



Stirling. — Loch Coulter (T. Scott). 



Perth Mid.— Near Perth (H. Bendall). 



