Census of Scottish Land and Fresh- Water Mollnsca. 487 



Aberdeen S. — Aberdeen (Britisli Museum). Bridf^^e of Don, in stomach of 

 Shoveller (W. Evans). 



Aberdeen N. — Loch Strathbe^^ near Fraserburgli (T. Scott). 



Elgin. — Loch of Spynie (G. Gordon), 



Ebudes Mid.— Tiree Island (J. E. SomerviHe). 



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



Sutherland W. — Loch near Stair Lighthouse (W. Baillie). 



Planorbis vortex (L.). 



Dr White speaks of this as occurring in Perthshire, Aber- 

 deenshire, and Kircudbrightshire, and he further describes it 

 as widely diffused. It has, however, only been submitted for 

 authentication from two counties. 



Forfar. — Dun's Ditch near Montrose (W. Duncan). 

 Caithness. — Loch Hempriggs near Wick (T. Scott). 



Planorbis carinatus MUll. 



Confined to one single Scottish locality, into which (as Dr 

 "White suggests) it has been perhaps introduced. This is the 

 pond in the Edinburgh Botanic Garden. In England, Durham 

 and Lancashire form its northern limit of range. 



Edinburgh. — Edinburgh (W. Turner, per S. C. Cockerell). 



Planorbis marginatus. 



This species has only been authenticated from three 

 Scottish counties. Its English northern range attains to 

 Cumberland and Northumberland, so that it may be looked 

 for throughout the southern part of Scotland. 



Kirkcudbright — Babington's Loch, Maxwelltown (R. Service). Maxwell- 

 town (W. Evans). 



Haddington. — Luffness Marshes (W. Evans). 



Edinburgh. — Edinburgh (J. Stark, in Alder Collection at Newcastle 

 Museum). Lochend (W. Turner, per S. C, Cockerell). Lochend (W. Evans). 



Planorbis contortus (L.). 



This species has, according to Dr Buchanan White, been 

 found in Shetland, south of wliich it is widely diftused, 



