226 Proceedings of the Royal Irish Academy. 



WiCKLOW. — L. Dan, L. Tay, and Annamoe Eiver. 



DcBLis*. — Grand Canal, Eoyal Canal. 



EOSCOLMON. — L. Key, R. Boyle, Oakport Ia, L. Arrow. R. Shannon, 

 L. Gorinty. 



Mayo. — Si-aheens L, Achill Island ; L. PoUagowly, Ij. SkaliaghadrauLan, 

 L. Fee^h and out-flowing stream ; L. Beltra, Clogher L. near Westport ; 

 li. Mallard, Drunnninahaha L., Dambaduff Ij. and out-flowing stream, 

 Carrowbeg L. near Newport ;39) ; L. Islaudeady, Castlebar L., L. Xacorra 

 and out-flowing stream ; Moher L., L. Cahasy (coll. J. X. Halbert), 

 Ij. Nahaltora, Glencullin K, Doo L., Ym L., Tawnyard L, Lugaloughaun. 

 For all the foregoing see (41). 



Sligo. — L. Gill (43j, Glencar L., and Druiucliff E., L. Arrow, 

 L. Derryniasallagli. 



Leitkim.— Glenade L., Glencar L., II. Shannon, L. Allen (S.-W. shore), 

 Belhavel L 



Cavan. — Bailey's Bridge and Baker's Bridge (coll. R. "Welch), 

 Killakcen (21), Upper and Lower I. Macnean ; near Belturbet (coll. 

 Miss Clifford). 



MosAGHAN. — Mill-Stream in Eossmore Castle Demesne (coll. A. W. 

 Stelfox). 



Fkbmanagh. — L Erne, at many points along the N. shore, and off the 

 islands in the lake, and Derinty L., Meenaghmore L., and Garvay E. (coll. 

 Major Trevelyant, E Enie, Lower L. Macnean. 



DoNKCAL. — Eath L., Golagh L., L Lee, Columbkille L. (coll. Major 

 Trevelyan), (Jarry L (coll. R. Welch,, L. Aluirg and outlet (colL A. W. 

 Stelfox), Doon L., L. Kiltooris, Pound L, L. Fad near Narin, L. Birroge, 

 L. Eoshin, E. Erne, L Unshin and out-tlowing stream, Knader L., L. Inn, 

 L. Fad near Moville. 



Armagh.— Camlough E. (21). 



Down,— Canal at Hillsborough (coll. N. U. Foster and A. W. Stelfox). 



Antkim. — Lfc Neagli and stream at Wootlbuni (39), mountain lakes to the 

 west of Camlough, at about 1,000 ft. (coll. Major Trevelyan). 



Dekky. — E. Bann, near Toome (coll. R. A. Phillips and A. W. Stelfox). 



Spongilla lEonapinsj fra|^ilis Leidy (PI. XXVI, tig. 3). 



This species, which has an almost world-wide distribution, is very rare in 

 Ireland. Up to the present it has been found in five widely scattered 

 localities in the north, west, and south of the country. 



Spongilla jrayUu wa.s first found in Ireland in the course of the Clare 

 Island Survey (41 ». It was discovered in the Owengarr Eiver, which drains 



