42 14 Proceedings of the Royal Irish Academy. 



Gammarus locusta Linn. 



Very abundant everywhere throughout the district, but always distinctly 

 marine and a shallow-water rather than a shore species. 



Previous Irish Records : — All round the coasts (various authors). 



Distribution: — Arctic Ocean, North Atlantic and adjoining seas from 

 Norway to France, North America. 



Family DBXAMINIDAE. 



Dexamine sphiosa (Montagu). 



A very abundant and widespread species throughout the area. Has been 

 taken on sixty-five occasions, sometimes in considerable numbers, more 

 especially in tow-nets taken at night. 



Previous Irish Records : — From all round the coasts (various authors). 



Distribution: — Arctic Ocean, North Atlantic and North Sea from Norway 

 to France, Mediterranean. 



Dexamine thea Boeck). 



Blacksod Bay, three specimens. Ballinakill and Bofin Harbours, common, 

 but never so abundant as the last species. 



New to the district. 



Previous Irish Rerord : — Galway (Caiman). 



Distribution : — Arctic Ocean, North Atlantic and North Sea from Norway 

 to France. 



Tritaeta gibbosa (Bate). 



Blacksod Bay, shores, two. Bofin Harbour, on four occasions. 



New to the district. 



Previous Irish Records : — Valencia (Walker) ; Lambay. 



Distribution : — North Atlantic and North Sea from Norway to the Azores, 

 Mediterranean. 



Guinea coalita (Norman). 



Blacksod Bay, tow-nets at surface, three. Bofin Harbour, frequently in 

 surface tow-nettings taken at night. Ballinakill Harbour, on two occasions. 



New to the district. 



Previous Irish Record : — Valencia (Walker). 



Distribution : — Coasts of the British Isles, France and the Mediterranean. 



Family TALITEIDAE. 

 Talitrus saltator (Montagu). 

 Louisburgh district, one. Louisburgh to Boonagh, two. Westport, 

 Co. Mayo, one. 



