47 140 Proceedings of the Royal Irish Academy, 



Habitat. — Clew Bay — Dredged in lnishlyre Harbour, in 4 fms. 

 Distribution. — Scotland (Firth of Forth) ; Spitzbergen ; west Baltic. 



Jasmineira elegans de Saint- Joseph. 



1894. Jasmineira elegans. De Saint-Joseph, p. 316. 



This species is fairly common throughout the district. Mature specimens 

 were found in May, August, and September. 



Habitat. — Blacksod Bay — Found on 2 occasions on the shore, in 

 Laminaria roots. Dredged on 4 occasions, in 1-6 fms. 

 Clew Bay — Dredged on 11 occasions, in 4-2S fms. Dredged 

 near Inishgowla, in 9 fms., on sandy mud. Ballynakill 

 Harbour — Dredged on 3 occasions, in 1-8 fms. 



Distribution.— Great Britain (Dublin Bay, Firth of Clyde, Torquay) ; 

 France. 



Jasmineira caudata Langerhans. 



1880. Jasmineira caudata. Langerhans, p. 114. 



Four specimens, dredged in 17 fms. in Clew Bay, agree with the above 

 species, and differ from J. elegans, in having a filiform anal appendage. In 

 the structure of the setae no difference could be found between these speci- 

 mens and typical J. elegans. The number of setigerous segments in the 

 abdomen is 20. Langerhans states that his specimens had 17 abdominal 

 segments, whilst J. elegans has 28-32. The collar in J. caudata seems to 

 be somewhat higher than, and not so oblique as, in J. elegans. No other 

 distinctions could be found between the two species. 



The specimens were fully mature in May. 



Habitat.— Clew Bay — Dredged in 17 fms. 



Distribution. — Madeira. 



Fabricia sabella (Ehrenberg). 



' 1894. Fabricia sabella, De Saint-Joseph, p. 319. 

 This species lives amongst corallines, and forms tubes in sponges and 

 Lithothamnion. 



Habitat. — Blacksod Bay — Found in weeds from the shore on 10 



occasions. Clew Bay — Shore of Clare Island, in weeds 



and Lithothamnion. 



Distribution. — British Isles; Arctic; Scandinavia; western Baltic ; North 



Sea; France ; Mediterranean; Black Sea; Madeira; Canaries; eastern North 



America. 



