40 8 Proceedings of the Royal Irish Academy. 



Macropodia rostrata (Linn.). — Common throughout Clew Bay (S. W. K.). 

 Islands in Clew Bay, 4§fms. ; off Clare I., 13 fms. ; common (W. K.). 



Distribution. — Extreme north of Norway to the Mediterranean, 

 Adriatic, Azores, Madeira, Senegambia. All British and Irish coasts. 

 [Maia squinado (Herbst.).] — Not yet recorded from Clew Bay, but has 

 frequently been taken at Ballynakill. 



Distribution. — Southern North Sea to the Mediterranean, Adriatic, 

 Canaries, English Channel, west coast of Ireland. 

 [Pisa tetraodon (Pennant).] — Scarce at Ballynakill and Blacksod ; not yet 

 taken in Clew Bay. 



Distribution. — British Isles to the Mediterranean, Adriatic, Canaries, 

 English Channel, west coast of Ireland. 

 Eurynome aspera (Pennant). — Small specimens often taken in crevices of 

 bored limestone between Clare I. and Mulranny, 6-16 fms. (S. W.K.). 



Distribution. — S. W. Norway to the Mediterranean, Adriatic. All 

 British and Irish coasts. 

 Hyas araneus (Linn.). — Clew Bay, frequent; Annagh I. (W. B.). 



Distribution. — N. E. America, extreme north of Norway to the English 

 Channel. All British and Irish coasts. 

 Hyas coarctatus Leach. — Mulranny, 12 fms., two ; off Belclare, 3^ fms. (W.R.). 

 Off Inishgort, S-10 fms., few (G. P. F.). Much rarer on the west than 

 on the east coast of Ireland. 



Distribution. — Alaska, N. E. America, extreme north of Norway to the 

 English Channel. All British and Irish coasts. 



