47 8-t Proceedings of the Royal ' Irish Academy. 



Habitat.— Clew Bay— Dredged in 21 fins. 



Distribution. — Ireland (Nymph Bank) ; Scotland; Faroe Channel; North 

 Scandinavia; Arctic; east coast of North America; Magellan Straits. 



family EUNICIDAE. 



Opbryotrocha puerilis Clap, and Mecz. 



1910. Ophryotrocha puerilis. Mcintosh, p. 364. 



This minute species is fairly common in Laminaria roots, and in material 

 ■lredged in shallow water. 



Habitat. — Blacksod Bay. — found on 2 occasions on the shore in 



Laminaria roots. Dredged on three occasions in 1-8 fms. 



Clew Bay. — Dredged on three occasions in 1 3-24 fms. 

 Distribution. — Ireland ; south coast of England ; France ; Mediterranean. 



Staurocephalus rubrovittatus C+rube. 



1910. Staurocephalus rubrovittatus. Mcintosh, p. 353. 



This species is fairly common on the shore at Blacksod, and in Clew Bay. 

 1 1 lives under stones and in Laminaria roots. 



Habitat. — Blacksod Bay — Found on the shore on 10 occasions. Dredged 

 in 1 fm. Clew Bay — Dredged on 9 occasions in 9-28 fms. 



1> tribution. — South coast of England ; Fiance ; Finmark ; Mediterranean ; 

 Black Sea. 



Staurocephalus Kefersteini Mcintosh. 



1910. Staurocephalus Kefersteini. Mcintosh, p. 358. 



Living specimens of this species are of a bright red colour. 



Habitat. — Blacksod Bay. — Two specimens found on the shore. Clew 

 Bay — Two specimens dredged in 24 fms., south of Clair 

 Island, on a bottom of sand and shells. Bat.tysakill 

 Harbour — Two specimens taken in the surface tow-net. 



Distribution. — Scotland. 



Staurocephalus pallidus Laugerhans. 



1910. Staurocephalus pallidus. Mcintosh, p. 363. 

 This species is rare in the district, only being taken on one occasion. 

 Habitat. — Clew Bay. — Three specimens dredged in 21 fms., 2 miles north- 

 east of Clare Island, on fine gravel. 

 D si '. — Plymouth ; Diuard; Madeira. 



