42 24 Proceedings of the Royal Irish Academy. 



Summarized in another way, the Amphipod fauna of the Clare Island 

 marine area is made up as follows : — 



Arctic species, 33, 



of which 14 extend to the Mediterranean, 

 19 „ British Isles, 



12 „ N".E. coast of America. 



Non- Arctic species, 62, 



of which 25 extend from Norway to the Mediterranean, 

 21 „ „ „ British Isles, 



6 „ British Isles to the Mediterranean, 



10 are centred mainly round the British Isles. 



