102 Proceedings of the Royal Irish Academy. 



(Ballykeeran ; Shannon near Athlone ; Waterstown). TJ, — Donegal 

 (Coolmore ; Longh Keelan ; Glenbeagh). Armagh (Armagh district ; 

 Poyntzpass). 



Disiribution. — Great Britain (Devon to north Shetlands). Isle of Man. 

 Widely distributed in Europe from Eussian Lapland to the Faroes : Spain ; 

 Corsica; &c. 



Plectrocnemia jeniculata McLach. 



MrxsTER. Filter. 



M. — Kerry (Horse's Glen). TJ. — Donegal (Lough Eeelan). Armagh. 



Distrihiition. — Great Britain (local ; Cornwall to Eannoeh. St. Kilda). Isle 

 of Man. Guernsey ; Switzerland ; Belgium : Germany ; France ; Austria ; 

 Spain ; Northern Italy ; Corsica. 



Polycentropns flavomaculatus (PicL). 

 MnfSTKR. CON'XAUGHT. LeINMER. UlsTKR. 



M. — Kerry (common in the Killarney and Muckross districts ; De^^l's 

 Punch-bowl ; Kenmare ; Sue) Waterford (Cappoquin). C. — Galway (Castle- 

 kirk, Maumwee Loughs). Roscommon (Yew Point). Mayo (Clare Island ; 

 Mount Brown and Broad Loughs ; Newport and Carrowbeg Eivers ; Achill 

 Island). L. — Wexford (Edenvale; Johnstown Castle grounds). Dublin 

 (Lacan demesne ; Tolka at Glasnevin). Westmeath (Coosan Point ; Bally- 

 keeran ; Waterston ; Shannon at Athlone ; Killinure ; Hare Island ; Twy 

 Lough). U. — Mon^han Glaslough). Donegal (Kilmacrennan district ; 

 Lough Fern ; &c.). Armagh (Coney Island in Lough Neagh, &c.}. Antrim 

 (Colin Glen). 



Distribution. — Great Britain (Cornwall to Shetlands, and Out«r Hebrides). 

 Isle of Man. Probably distribute*;! over most of Europe from Lapland to 

 Corsica {JfcLachian). 



Polycentropos maltiguttatus Curt 



MrssTKR. CoxxAVGHT. Leinstek. Ulsteb. 



K. — Kerry (common in the Killarney district ; Gap of Dunloe ; Tore ; »Skc.). 

 "Waterford (Glenshelane near Cappoquin). C. — Galway (near Maam;. Eos- 

 common (Summerhill). Mayo '^Knapi«agh, Prospect, and Mount Brown 

 Loughs; Carrowbeg River). L. — Iiublin (Lucan). Westmeath (Shannon 

 and Bally keeran). U. — Mouaghan (Glaslough). Donegal (lakes and streams 

 in the Kilmacrennan district). 



Distribution. — Great Britain (common, extending to Perthshire). Widely 

 distrilmte.1 in Europe. 



