100 Proceedings of the Royal Irish Academy. 



Philopotamus montanus (Donov.). 



MUNSTER. GOS^fAUGHT. LEIXSTEK. ULSTER. 



M. — Kerry (Devil's Punch-bowl ; Tore Cascade ; Hoi-se's Glen : the Glen 

 in Deer Park ; Grap of Dimloe ; Kenmare). "Waterford (Salterbridge near 

 Cappoquin ; Glenshelane). C. — Galway (Castlekirk ; Maam Eiver ; Clon- 

 brock). Mayo (Clare Island ; streams on Croagh Patrick ; Carrowbeg Eiver ; 

 Inishbofin). L. — "Wexford. Wicklow (Enniskerry). Dublin Howth and 

 Tibradden). U. — Donegal (Ardara; Loughs Eeelan and Salt). Antrim 

 (Colin Glen). 



Distribution. — Great Britain (in suitable localities from Cornwall to the 

 Shetlands; St. Kilda). Isle of Man. Lapland to Spain, and northern Italy. 



Var. scoticus McLach. 



MCXSTKR. 



M. — Kerry (Killamey, HarJi/ ; stream at Cloghereen, Xing). 



Occurs in large numbers along the banks of a swiftly-flowing stream and 

 a small spring in this locality, the waters of both being very cold even 

 during August. No example of the type form could be found in this locality, 

 although it was common on almost every stream in the district. 



Distribution. — This well-marked variety has occurred at Eannoch in 

 Scotland, and in north Wales, as well as at Killamey. 



Wormaldia occipitalis (Pict). 



MrXSTKR. COXKAIGHT. UlSTEK. 



M. — Kerry (Tore Cascade; Cloghereen; Horse's Glen; Gap of Dunloe ; 

 Dinish). Cork (Glandore). C. — Mayo (Clare Island ; Carrowbeg Eiver in 

 Westport demesne). IT. — Donegal (Clonkillybeg ; Coxtown). 



Distribution. — Great Britain (ranges from Cornwall to Inverness ; not 

 uncommon, especially in the north and west of England, McLachlan). 

 Germany (East Prussia ; Black Forest ; &c., Ulmer ; Saxony). Austria : 

 Switzerland; Guernsey; France; Spain; and Greece. 



Wormaldia mediana McLach. 

 Letsstkr. 



L. — Wicklow (Enniskerry, King). 



Distribution. — In Great Britain this species has been found at Pitlochry 

 in Perthshire, and at Strathglasa in Inverness. Abroad it inhabits parts of 

 central and southern Europe — Hungarj* ; central Italy ; Portugal ; and 

 Sicily. Ulmer does not include it in the German fauna (1909). 



