54 



Froceedinga of the Royal Irish Academy. 



Dynamena rosacea (Linn.). Sertularia rosacea, Linn. Biphasia 

 rosacea, Agassiz. 

 i., ii., iii., iv., . vi. 

 Generally distributed round the coast. 



Dynamena attenuata (Hincks). Diphasia attenuata, Hincks. 

 . ii., iii., iv., . . 



ii. Dublin Bay (Haddon '86) : between Lay town and the Boyne 

 (Duerden '94) : Lambay (Dublin Mus.): Howth, (Dublin 

 Mus.). 



iii. 13 miles south-west of Galley Head, 43 fms., coll. E.I.A. Exp. 



1886'(Duerden '93). 



iv. Bantry Bay (Dublin Mus.). 



Dynamena tamarisca (Linn.). Serhdaria tamarisca, Linn. Sea 

 Tamarisk, Ellis. DipJiasia tamarisca, Agassiz. 

 i., ii., iii., . . . 



i. Belfast Lough, coll. J. Templeton ; Ballycastle, coll. J. L. 

 Drummond (Johnston '47) : off Larne, 70-90 fms. (Hynd- 

 man '59). 



ii. Dalkey Island, from deep-water (Ellis 1755): Blackrock (Has- 

 sall '41) : Howth and Portmarnock (Thompson '56). 



iii. 13 miles south-west of Galley Head, coll. B.I. A. Exp. 1886 

 (Duerden|'93) : south-south- west of Barlogue, coll. E.I. A. Exp. 

 1886 (Dublin Mus.). 



Dynamena fallax (Johnston). Diphasia fallax, Agassiz. 

 . ii., iii., . . . 

 ii. Dalkey and Howth (Irvine '54). 



iii. 13 miles south-west of Galley Head, 43 fms., coll. B.I. A. Exp. 



1886 (Duerden '93) : south-south-west of Barlogue, coll. R.I. A. 

 Exp. 1886 (Dublin Mus.). 



Sertularia pinaster, Ellis and Solander. Diphasia pinaster, Agassiz. 

 Sertularia margaretay Hassall. 

 i., ii., . iv., . . 



i. Belfast Lough (Hyndman '58) : Giant's Causeway (Hassall '41b). 

 ii. Howth (Hassall '41b) : Dublin Bay, coll. Dr. Harvey (Johnston 

 '47) : Lambay (Dublin Mus.). 



iv. 52° 25', 11° 40', 90 fms., colL ''Porcupine" Exp. (Allman '74a) : 



South-west coast (Bourne '90). 



