418 Scientific Proceedings, Royal Dublin Society. 
Aglaophenia pinnatula, Ell. and Sol. 
One of the numerous collections made by M‘Caila from Round- 
stone, Galway; also collected by Miss M. Ball from Youghal, 
profusely investing about six inches of the stem of Laminaria 
digitata. Mr. Hincks says that Miss Ball’s remarkable specimens 
have supplied the principal cabinets in the country. 
Plumularia pinnata, Linn. 
Collected from many parts of the coast. 
Plumularia setacea, Ellis. 
A common species 
Plumularia Catharina, Johnston. 
On worm-tubes from Ballycotton, depth 30 fathoms (R.D.S.) : 
Arran Island (Barlee) ; Dublin Bay (J. H. D.); south-west of 
Galley Head (1898).) 
Plumularia echinulata, Lamarck. 
An abundant species in the shallow waters of the west coast. 
Bantry Bay (R.D.S.); plentiful on Chorda filum, Roundstone ; 
Dublin Bay (J. E. D.}. 
Plumularia similis, Hincks. 
Donaghadee (Hyndman) ; on Fucus, Berehaven ; Dublin Bay 
(Gin 135 10). 
Plumularia halecioides, Alder. 
On the appendages of Stenorhynchus, Berehaven (1898) ; 
“ Argo” Cruise (1891). 
Plumularia frutescens, Ell. and Sol. 
Dublin Bay (Hassall) ; south of Ireland. 
