Johnson and Halbert — A List of the Beetles of Ireland. 611 

 Helophorus rugosus, 01. 



UlSTEE. LErNSTEE. 



Donegal (Buncrana, '00 B.). — Deny (Magilligan, '00 B.). — 

 Antrim (Portballintrae, '94 T. ; Portrush, J.). — Louth (Termonfeckin 

 strand, '00 Ht. 3, coU. C). 



Occui's very locally on the sea coast. 



H. nuhilus, F. 



TJlSTEK. LErNSTEK. MUN'STEE. 



Donegal (Foyle dist., '00 B. ; Coolmore, '94 J. Ht. Cr.).— Down 

 (near Belfast, '85 H.).— Armagh ('91 J. 2).— Louth (south, C.).— 

 Dublin ('53 Hn. ; south, C.).— Carlow (Borris, '95 Ht. 8).— Water- 

 ford ('78 P.). 



H. intermedius, Muls. 

 Ulster. 

 Deny (Culmore, '00 B.). 

 In a marsh ; not common. 



H. aquaticus, L. 



Dlsteb. ConjS'atjght. Leinstee. Mtjnstee. 

 Common. The variety cequalis, Thoms., occurs. 



H. dorsalis, Marsh, 



Ulstee. Leinstee. 



Down (near Belfast, '85 H.).— Dublin ("In the Dodder," '56 

 Hn. 1 & 2). 



jS"ot now in the Haliday collection ; Hogan records it with a query. 



H. eeneipennis, Thoms. 

 Ulstee. Connatjght. Leinstee. Mtjnstee. 

 Common, and veiy variable. The yaxieties plmiicollis, Thoms., and 

 >ifrigifrons, Thoms., are recorded as having been taken in Ireland ('76 

 Bl.). 



H. Mulsanti, Rye. 

 Leinstee. 



])ublin (Portmarnock, '00 Ht. 3). 



A single specimen occun-ed under mud in a salt marsh, May, 1895. 



