180 Proceedings of the Royal Irish Academy. 



Lephthjphantes ericcBus (Bl.). 



Linyphia ericcea Bl. (Spid. Gr. B. I.). 



Connauglit. 



A single adult female, taken at Keene Bay, Achill, county of Mayo^ 

 in April, 1898, by Mr. J. IS". Halbert, is the only Irish specimen of 

 this spider which I have seen. It is a common species in Scotland and 

 northern England, but very rare in the south. It does not seem to 

 have yet been recognised on the Continent. 



LepMhyphantes flavipes (Bl.). 



Linyphia flavipes, Bl. (Spid. Gr. B. I.). 



Lephthyphantes Senricm^ Chyz. and Kulcz. (Aran. Hnngar.). 



Connanght, Leinster. 



An adult male which I took at Grlendalough, county of Wicklow, 

 in August, 1893, and two adult males at Clonbrock, county of Gralway, 

 in September, 1897, are the only Irish examples of this spider as yet 

 known. Mr. Cambridge (who has kindly verified my determination of 

 these specimens) believes the species to be generally distributed in 

 Grreat Britain, as it also seems to be on the Continent, since it occurs in 

 Sweden, near Hamburg, in Austria, and throughout Hungary. 



Lephthyphantes tenuis (Bl.). 



Linypliia tenuis, Bl. (Spid. Gr. B. I.). 



L. tenelricola, Cb. (Spid. Dorset). 



Leptyphantes tenelricola, Simon (Arachn. France). 



Ulster, Connaught, Munster, Leinster. 



This species is very common and probably universally distributed 

 in Ireland. I have seen specimens from many localities ranging 

 between counties of Derry and Antrim, to Crookhaven, at the extreme 

 south-west of county of Cork ; from Dalkey Island, off county of 

 Dublin, to Achill Island, county of Mayo, and Eoundstone, county of 

 Galway. It ascends the hills to a height of over 2000^feet. Adults 

 may be met with throughout the year. L. tenuis is generally dis- 

 tributed in Great Britain (Dorset, Eoss-shire), and throughout Europe, 

 extending to the Azores. 



Lephthyphantes Blaclavallii, (Kulcz.). 



Linyphia terricola, Bl. (Spid. G. B. I.). 



L. zebrina, Cb. (Spid. Dorset). 



Leptyphantes zelrinus, Simon (Arachn. Erance). 



Ulster, Connaught, Munster, Leinster. 



This species is as widely distributed as the foregoing, though not 



