Haliday — Notes on Irish Coleoptera. 
215 
DYTICIDiE. — Continved. 
N.B. 
E.I. 
. . erythrocephalus 
* 
. , triguttatus 
* 
. . planus 
* 
. . nigrita 
* 
. . melanocephalus 
* 
. . geminus 
* 
. . rufifrons 
. . fluviatilis . . . . 
Haliplous ferrugineus 
* 
. . impressus 
* 
. . ruficollis 
% 
. . affinis 
* 
PARNIDiE. 
Parnns sericeus 
# 
. . auriculatus 
* 
HELOPHORIDiE. 
Octhebius bibemicus 1 
% 
. . impressus 
* 
. . maritimus 
Helopborus aquaticus 
. . granularis 
* 
. . griseus 
. . nubilus 
. . dorsalis 
* 
HYDROPHILIDiE. 
Limnebius mollis 
. . truncatellus 
* 
. . ater 
* 
. . . picinus 
% 
Hydrobius fuscipes 
* 
. . orbicularis 
% 
. . ocbropterus . . . . 
* 
. . melanocephalus 
* 
. . lividus 2 
. . bipustulatus 
* 
. . minutus 
. . globulus 
* 
. . picipes 
* 
1 The specimen figured for this species in Curt. Brit. Ent. was taken by Mr. Haliday on 
rushes on the shore of Belfast Bay. 
2 H. griseus Herb. ?, Marsh?, Oliv., Curt. Brit. Ent. 
