36 2 Proceedings of the Royal Irish Academy. 



Megabunus insignis Meade. 



This very distinct species, which is found all over Ireland, was taken 

 in all parts of Co. Mayo, and by Professor Carpenter up to a height of 

 1300 feet on Croaghmore. It has also been found on Inishbofin. 



Mitopus morio Fabr. 



Probably the commonest species in Ireland. It was taken up to a height 

 of 1500 feet on Croaghmore, Clare Island, by Professor Carpenter, and 

 in several parts of Co. Mayo. 



Oligolophus agrestis Meade. 



This common and widely distributed species has been taken both on 

 Clare Island, and in the Louisburgh district of Co. Mayo. 



Oligolophus ephippiatus C. L. Koch. 



This species has been taken both on Clare Island and at Westport in 

 Co. Mayo. It is widely distributed but not very common in Ireland. 



Nemastoma lugubre 0. F. Muller. 



This very common species has been taken nearly all over Ireland, 

 including many parts of Co. Mayo ; and on Clare Island was taken by 

 Professor Carpenter up to a height of 1300 feet on Croaghmore. 



