6 Proceedings of the Royal Irish Academy. 



(Lophohdia prolifera). Gellius // has already been recorded for 



the Irish area (14). It was obtained by the Irish Fisheries Branch, and 

 was growing on Lophohelia. 



Gellius ravus Stephens. 



K.D.S. Survey. Blaeksod Bay. 



The specimen, which is growing on an oyster shell, has been already 

 referred t«i in the the d ascription of the species given in the report 



• in the Bponges of the Clare Island Survey (12). It differs from the type 

 in having shorter and more slender oxea. Tl - is evidently widely 



distributed round our shores, as it bas been found at several places oil the 

 west, north-west, and east coa- 



Oceanapia robusta (Bowerbauk). 



I.'.D.S. 8urvey. Station 80, off81yne 11 55 fathoms. 



The in. gment of a fistula of this well-characterized species is 



in the collection. 1 rded previously for the Irish 



14). 



- -family RKNIBBIMAE. 

 Reniera simulans (Johnston i. 



RJD.S. Survey. Neighbourho l . II rbour; west coast of Ireland. 



specimens of this common Reniera are in the collection. 



Reniera 



R.D - - - .!■■- W. of Bolns Head, 220 fathom?. 



A i .11 specimens of a lieu ring on a piece of coral 



/. I ral in outline, with a single osculum at the 



summit. T: tnd fragile in I md measure only .". or 1 mm. 



in height. Their skeleton consists of a unispicular network of oxea cemented 

 at the end? by a lit e 0*18 - 0'22 mm. 



009 mm. 

 The sponge seems very similar in appearance and structure t" A'- 



17 . but the oxea are much smaller than those of Professor 

 •;nt's species. 



Halichondria panicea ( I 'alia- . 



1; I. A. Exp., 188 Crool 



1:1 )JS. - I a of Ireland. 



This, the commonest sponge round our coasts, is represented in the 

 collection by a few fragnv 



