498 Proceedings of the Royal Physical Society. 



Edinburgh. — Marsh, Braid Hills ; Duddingston Loch (W. Evans). 



Fife and Kinross. — Lindores Loch (T. Scott). From stomachs of Shovellers 

 shot at Loch Leven ; Otterston Loch (W. Evans). 



Perth Mid. — Loch Dochart, alt. 500 feet, at roots of Chara ; Crianlarich (A. 

 Sonierville). 



Elgin. — Near Elgin (G. Gordon). 



Easterness. — Loch Morlich, Inverness (J. E. Somerville). Pond near In- 

 verness (T. Scott). 



Ross E. — Loch Achnacloich near Invergordon (T. Scott). 



Orkney. — Head of Harray Loch (T. Scott). 



Unio margaritifer (L.). 



This is one of the very few instances of Mollusca with a 

 northern range — being common and widely distributed in 

 Ireland and Scotland, and restricted in England to a few 

 stations in the northern counties and in Wales. 



Renfrew. — River Gryfe near Kilmalcolm, a single example dug np about a 

 foot deep in the bed of the river (Greenock Museum). 



Lanark. — River Clyde near Cambuslang (T. Scott). 



Perth S. with Clackmannan. — Trossachs (Thomas Rogers). 



Perth Mid.— River Tummel (J. Hardy, sen.). River Tay, Perth (T. Rogers). 

 River Lyon (T. Scott). 



Forfar. — River Pow, Kinnard House Farm, half a mile from South Esk (W. 

 Duncan). 



Elgin. — Elginshire (G. Gordon). 



Easterness. — River Spey at Kincraig by Kingussie (W. Evans). 



Main Argyle. — River Onchy, near where it flows into Loch Awe (A. 

 Somerville). 



Sutherland W. — Var. sinuata, near Stair Point, Assynt (W. Baillie). 



Anodonta cygnea (L.). 



Local in Scotland. The Perthshire locality mentioned by 

 Dr White is one from which our referees have not yet seen 

 examples. 



Renfrew. — Glasgow and Paisley Canal near Elderslie ; var. radiata, Paisley 

 Canal (T. Scott). Var. incrassata, Paisley Canal (Greenock Museum). 

 Edinburgh. — Lochend (W. Evans). 



Fife and Kinross. — Raith Lake (W. Evans). Loch Leven (T. Scott). . 

 Forfar.- — A slow deep running stream near Montrose (W. Duncan), 

 Elgin. — Elginshire (G. Gordon). 



