586 Proceedings of the Royal Irish Academy. 



Hermcea dendritica (Alder & Hancock). 



. . iii., iv., v., vi. 



iii., iy. Coasts of Cork and Kerry (E. P. Wright, '59). 



V. "Argo" Cruise, 1890, Inishbofin (Herdman, '91). 



vi. Bundoran (J. E. Duerden in Irish ITaturalist, v., 1896). 



Distribution. — jSTorway. Sweden. British Isles. "W. France. 

 Mediterranean. 



Alderia modesta (Lov6n). 



. . iii., . . . 



iii. Skibbereen, co. Cork, in salt marshes (Allman, '46). 

 Distrihition. — Sweden. Belgium. British Isles. 



Family. — ELTSiiniE. 



Elysia viridis (Montagu). 



. . iii., iv., v., . 



iii. Dungarvan, co. Waterford, one specimen (A. E. K".) : dredged 

 abundantly in the harbours of Glandore, Castletownsend, and 

 Crookhaven, 1844 (Allman, '45). 



iv. Valentia (Gamble, '96 ; Dublin Mus., a specimen coll. by A. C. 

 Haddon). 



V. Eoundstone (Dublin Mus.). 



Bistriiution. — Finmark to Mediterranean. 



Family. — LiMAPOifTiiD^. 



Limapontia caintata (Miiller). (Z. niyra, Jeffreys, B. C.) 



. . . iv., . . 



iv. Yalentia (Gamble, '96). 



Distrihition. — Finmark to Brittany. 



Acteonia corrugata, Alder & Hancock. 



. . . iv., . , 

 iv. Valentia, (Gamble, '96). 



Distrihution. — Norway. England. S. W. Ireland. W. Fi-ance. 



