602 Proceedings of the Royal Irish Academy. 



northern range in the British Islands, this species has been found 

 only in the western parts of central Eni'ope, and in the Mediterranean 

 region. 



Agabus guttatus, Payk. 

 TJlstee. Connaitght. Leinster. Munster. 



Donegal and Derry (Poyle dist., '00 B.). — Antrim (Carrickfergus, 

 Wr.).— Down (Belfast, B. ; Holywood, '92, Pt. and Dn.).— Armagh 

 ('88 J. 2.).— Sligo (Glencar Lake, Sp,).— Galway (Wr.).— Dublin 

 (Dundrum, '00 Ht. 3).— Wexford (Courtown, '92. C. 6).— Keriy 

 (Lough Eagher under Carrantuohill, '99 Sch. and Or. ; Kenmare, 

 coll. Yr.). 



A. biguttatus, 01. 



Ulster. 

 Armagh (rare '92 J. 1). 



A. paludosus, F. 



Ulster. Connaughx. Leinster. Munster. 

 Donegal, Derry, Antrim, Down, Armagh, Fermanagh, Sligo, 

 Roscommon, Meath, Dublin, Wexford, Clare, Cork, Kerry. 

 Common. 



A. affinis, Payk. 



Ulster. CoNNAtrGnx. 



Donegal (Coolmore, on the beach, J.). — Gralway (Leenane, in flood 

 refuse from the Erriff River, April, 1897, Ht.). 



A northern species ; occurring over northern and central Europe, 

 Siberia, and in Scotland. 



A. unguicularis. Thorns. 



Ulster. Munstee. 



Donegal (Foyle dist., '00 B. ; Coolmore, '95 J. 1).— Antrim (Bog 

 meadows, Dn.). — Down (Downpatrick, Ht.). — Armagh ('87 J. 2; 

 Keady, '88 J. 2 ; Poyntzpass, '97 J. 3).— Clare (Lahinch, coll. Gr.). 



\_A. congener^ Payk. — The record, Carlingford ('88 J. 1), should 

 have referred to A. Sturmii, Gylh] 



A. nebulosus, Forst. 

 Ulster. Cobtkaughx. Leinsxer. 

 Common in the province of Ulster, and has been found in the 

 counties of Mayo, Roscommon, Galway, Louth, Dublin, and Wexford. 



