29 10 Proceedings of the Royal Irish Academy. 



Hydroporus pubescens. Gyll. — Curraun ; Louisburgh ; Westport. 



planus, F. — Curraun ; Louisburgh. 



lituratus, F. — Curraun ; Louisburgh. 

 Agabus paludosus, F. — Belmullet (A. W. S.). 



affinis, Payk. — Louisburgh. 



unguicularis, Thorns. — Louisburgh (A. W. S.). 



congener, Payk. — Louisburgh. 



nebulosns, Forst. — Westport (Murrisk). 



sturmii, Gyll. — Louisburgh. 



chalconotus, Panz. —Louisburgh ; Westport. 



bipustulatus, L. — Curraun ; Louisburgh ; Westport. 

 Ilybius fuliginosus, F. — Louisburgh. 



obscurus, Marsh. — Louisburgh. 



aenescens, Tlwms. — Curraun ; Louisburgh. 

 Rhantus bistriatus, Bergstr. — Louisburgh. 

 Colymbetes fuscus, L. — Castlebar (A. W. S.) ; Louisburgh. 

 Dystiscus punctulatus, F. — Louisburgh. 



marginalis, L. — Curraun ; Louisburgh. 

 Aeilius sulcatus, L. — Louisburgh. 

 Gyrinus minutus, F. — Louisburgh. 



elongatus, Av.be. — Belmullet (A. W. S.) ; Westport. 



natator, Scop. — Curraun ; Louisburgh ; Westport. 



marinus, Gyll. — Westport. 

 Orectochilus villosus, Midi. — Louisburgh ; Castlebar- 

 Hydrobius fuscipes, L. — Louisburgh ; Westport. 



var. picicrus, Thorns. — Curraun; Louisburgh. 

 Philhydrus melanocephalus, 01. — Curraun; Louisburgh; Westport. 



nigricans, Zett. — Killala (W. E. Sharp). 



minutus, F. — Louisburgh. 



coarctatus, Gredl. — Louisburgh ; Westport. 

 Paracymus nigroaeneus, Sahib. —Louisburgh ; Westport. 

 Anacaena globulus, Payk. — Curraun ; Louisburgh. 



limbata, F. — Louisburgh. 



var. ovata, Reiche. — Louisburgh ; Westport. 

 Helochares punctatus, Sharp. — Louisburgh. 

 Laccobius alutaceus, Thorns. — Louisburgh. 



minutus, L. — Louisburgh ; Westport. 



bipunctatus, F. — Westport. 

 Limnebius truncatellus, Thnmb. — Louisburgh ; Westport. 

 Chaetarthria seminulum, Hcrbst. — Louisburgh ; Westport. 



