572 Proceedings of the Royal Irish Academy. 



P. antliracmus, 111. 



TJlSTEE. Co^':N■A^GHT. MuifSTEE. 



Down (near Beliast, '85 H.)-— Cavan (Lougli Oughter, '94 J. Ht. 

 Cr.). — Galway (L. Derg, near Woodford, Ht.). — Limerick (Thomond 

 Br., Fg. coU.).— Cork .(Glengariff, '01 Ck., coU. Tr.). 



Local, on lake shores. 



P. nigrita, F. 



TJlSTEE. Co Jra- AUGHT. LErN-STER. MnfSTEE. 



Common. 



P. gracilis, Dej. 



Ulster. Mchs'Stee. 



Down (near Belfast, '85 H.). — Cavan (Lough Oughter shore, '94 

 J. Ht. Cr.).— Waterford (BaUyscanlon Lough, Ht.). 



The records, Ardara ('93 J. 1), Armagh ('92 J. 3), Loughgilly 

 ('94 J. 2), CarHngford ('94 J. 2), S. Louth ('94 J. 2), Stillorgan 

 ('92 C. 1), are to be deleted. 



P. minor, Gryll. 



TJlSTEE. MTJlfSTEK. 



Donegal and Deny (Foyle dist., '00 B.). — Antrim (shores of L. 

 Neagh near Antrim, '01 Be. ; Belfast, B. ; Portru^h, J.). — Down 

 (near Belfast, '85 H. ; Holywood, '92 Pt.).— Armagh ('92 J. 2; 

 Lough jSTeagh, &c., J.). — Clare (Cratloe Hill, Ht.). — Cork (Kosscar- 

 hery, '95 C. 1). 



]S"ot common ; probably overlooked in intennediate localities. 



P. strenuus, Panz. 

 Ulstee. Cox^AroHT. Leinstee. Htjnstee. 

 Common. 



P. diligens, Sturm. 



TJlSTEE. CoifNATTGHT. LeTNSTEE. MuNSTEE. 



Donegal, Derry, Antrim, Down, Fermanagh, Armagh, Monaghan, 

 Cavan, Sligo, Galway, Westmeath, Dublin, Cork, Kerry. 



"Widely distributed, but much less common than the preceding 

 species. 



P. picimanus, Duft. 

 Leinstee. 

 Dublin (taken by the late Mr. Tardy, '53 Hn. ; '54 Ds.). 

 There are Irish specimens of this species in the Dublin Museum 

 and Trinity College collections. 



