246 Proceedings of the Roi/at h-ish Academy. 



Cork. — L. Avaul, Park Ij. and out-flowing stream, L. Coomarkane 

 (1,100 ft.) and out-flowing stream, L. Coomadavallig (1,100 ft.) and out- 

 flowing stream, L. Boy (1,800 ft ) and out-flowing stream. 



Watekfokd.— Out-flowing stream from L. Coumshingaun (1,262 ft.'*, 

 Counigorra I .. ( 1 ,700 ft.) and out-flowing stream. 



Galway. — li. Nahillion (coll. G. 1'. Farran), L. Fee and L. Ballynakill 

 (39), L. Tiofin and out-flowing stream, Ardderry L., stream from Seecon L., 

 Glendalnugli L, Nacoogarrow L. and out-flowing stream, L. Inagh and out- 

 flowing stream, Kylemore L., Owengowla E., Derryclare L. and out-flowing 

 stream, Ballynahineh L. and liallynahinch E., L: Sliindilla, L. Maumwee, 

 L. Corrili (X.-W. arm), L. Shecdagh, L. Skaiinive and numerous small lakes 

 in the neigliboiirlioud of IJoundstone. 



WiCKlxJW. — L. Dan and Avonmore R., L. Tay and Annamoe E., below 

 the lake; L. Ouler (1,868 ft.), Upper L. Bray (1,463 ft); Lower L. B<ay 

 (l,2l'.T ft.) and outlet. 



Mayo. — Creggan L, Clare Island ; L. Nanuicka and L. Coolaknick, 

 Inishtiirk (coll. K. M. Praeger and A. W. Stelfox) ; Church L., L. Gowlana- 

 gower and Loiighnagrooanii, Inishbofin (toll. A. W. Stelfox) ; Sraheens L., 

 Achill Island; L. Cullylea (coll. A. W. Stelfox) ; L. Feeagh and out-flowing 

 streams, stream from L. Navroony, Moher L. and out-flowing stream, 

 Owenwee K., L. Nacorra, L Gall, Bellakip R., Buuowen R., L. Nahaltora, 

 L. Gunnel, GlencuUin L, Doe L, Tawnyard L., Fin L., Lugaloughhauu and 

 out-llowing stream, Lugacolliwee L. For all the foregoing see (41). 



Fehmanagii.— Stream from Tullyvogy L, Tullynalaub L., Tullylough- 

 inore L, L. an Laban, 1,000 ft. (all collected by Major Trevelyan). 



Donegal. — L Namramurrive, L. Meenasheagh, L. Aehvog, L. Eusheen 

 and L Awaddy (coll. Major Trevelyn), Columbkille L. and out-flowing 

 stream, Doon L ami out-flowing stream, Pound L., Cam L., L. Unsliin and 

 out-flowing stream, Knadcr L, L Inn, L. Aluirg and outlet (coll. A. W. 

 Stelfox). 



Dows. — Altnailua L. 



Antuim. — Doo L. and out-flowing stream and L. na Crannog on Fair 

 Head (43); lakes on Carnlongh Mountains (coll. Major Trevelyan), L. 

 Vicanor, Garron Head (coll. Mre. Stelfox). 



Gbograpiiical Distkibutios of Hbtekomeyenia Eyukki Potts, and the 

 MBANs of Dispersal of the Si-eciks Dlscussed. 



Hftcromtyenia Rtjderi is now known to occur in North America, along the 

 eastern portion of the continent, from Florida toNovaScotia, andin lowaand 

 Indiaua. It also occurs in Newfoundland and ou Sable Island. In Europe 



