492 Proceedings of the Royal Physical Society. 



Fife and Kinross. — Liiulores Loch; Loch Leven (T. Scott). 



Perth Mid.— Near Perth (H. Bendall). 



Perth N.— Near Perth (H. Coates). Loch of Chuiie, between Blairgowrie 

 and Dunkeld (W. Evans). 



Forfar. ^Rescobie Loch (W. Duncan). 



Aberdeen S. — In stomach of Shoveller Duck shot at Bridge of Don 

 (W. Evans). 



Aberdeen N. — Huntly (J. Conacher). Loch Strathbeg (T. Scott). 



Elgin. — Loch of Spynie (G. Gordon). 



Limnsea truncatula (MiilL). 



This species will probably be ultimately found in every 

 comital area, though so far it has been authenticated from 

 twenty -five counties only. The records, however, show that 

 it ranges throughout the kingdom, and Dr White describes it 

 as " common and widely distributed." 



Kirkcudbright.— Black Stockton (F. R. Coles) . Castle Douglas (W. Evans). 



Ayr. — Dalrymple by Ayr ; Maybole Castle ; Drumbain (H. Nelson). Largs 

 (A. Shaw). 



Renfrew. — Dam in Baker Street, Greenock (A. Scott). Pools in Garvel 

 Park, Greenock (T. Scott). 



Lanark. — River Clyde above Rutherglen (Alex. Shaw). 



Peebles. — Cadeniuir (W. Evans). 



Selkirk. — Near Newark Castle (J. Madison). 



Roxburgh. — Stirches near Hawick (W. G. Guthrie). 



Haddington. — Ditches on LufFness Links ; ditches, Gullane Hill ; Dirleton 

 Common near North Berwick (W. Evans). Pools, Dunbar (T. Scott). 



Edinburgh. — Ditch at Morningside ; var. minor, Loganlee; Lothianburn; 

 Marchbank nearBalerno ; Duddingston Loch (W. Evans). 



Fife and Kinross. — North Queensferry (R. ScharfF). Var. minor, Kinkell 

 Braes near St Andrews; Dura Den, with var. ohlonga ; Burntisland (W. 

 Evans). 



Stirling. — Coulter Burn, Howietoun ; Bannockburn (T. Scott). 



Perth S. with Clackmannan. — Strathyre (Janet Car[)hin). 



Perth N.— Near Perth (H. Coates). 



Forfar. — ^Mains of Usan near Montrose (W. Duncan). 



Kincardine. — Stonehaven (W. Turner). 



Aberdeen S. — In stomach of Shoveller shot at Bridge of Don ; Braemar 

 (W. Evans). 



Banff. — Tomintoul (L. Hinxraan). 



Elgin. — Var. minor, near Elgin (G. Gordon). 



Clyde Isles. — Rothesay (J. Whitwham). Pools beside Loch Ascog (T. Scott). 

 Var. minor. Holy Island, Arran (W. Turner). 



Cantire. — Ditches and rivulets close to East Loch, Tarbert (T. Scott). 



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



