698 Proceedings of the Royal Irish Academy. 



H. flavipes, 01. 



Ulstee. 

 Down (near Belfast, '85 H.). Taken by Mr. Wollaston in Ii'sland 

 ('55 CL). 



The Haliday specimen is in the Dublin Museum collection. 



H. lepidus, 01. 



Ulster. Costnatjght. Leii^stee. Mtjn'Stee. 

 Common. 



H. rivalis, Gryll. 



Ulstee. Leinstee. MirjfSTEE. 



Donegal (Foyle dist., '00 B.). — Antrim and Down (Lagan Canal, 

 B. ; near Belfast, '85 H.).— Ai'magh ('88 J. 2).— Dublin (Lougblins- 

 town, '53 Hn. ; mountain streams, Ht.). — Wexford ('93 C. 4). — 

 Waterford ('78 P.).— Cork (Queenstown, Wr.). 



H. septentrionalis, Gyll. 

 Ulstee. Leinstee. Munstee. 



Donegal (Foyle dist., '00 B.).— Derry (Bk.).— Antrim (Crumlin 

 Eiver, B.). — Aimagh (Tanderagee, '95 J. 2). — Dublin (Eiver Dodder, 

 '56 Hn. 1; near Eatbgar, H. diaiy ; Glenasmole, '95 D.!N".!F.C.). — 

 Wicklow (Lower Lough Bray, Ht.). — Cork (Kantui'k and Bantry, '47 

 W. 1; Eosscarbery, '95 C. 1). — Kerry (Eiver Flesk, Killarney, 47 

 W. 1). 



Local ; in lakes and streams. 



H. Davisii, Cui-t. 



UlSTEE. LEDfSTEE. 



Donegal (Foyle dist., '00 B.). — Dublin (stream near the Little 

 Dargle, '00 Ht. 3.).— Ireland (H. coll.). 



Found in clear water, sometimes in company with B.. septen- 

 trionalis, Gyll. Apparently a northern and alpine species, occuri-ing in 

 the north of England, Scotland, Scandinavia, Pp'enees, and Alps. 



H. lineatus, F. 



Antrim, Down, Armagh, Eoscommon, Galway, "Westmeath, Meath, 

 Dublin, Kilkenny, Wexford, Cork, Kerry. 

 Common. 



