Clare Island Survey — .Archiannelida and Pobjchaeta. 47 33 



Habitat. — Blacksou Bay — Shore, under stones, and in Larninaria roots, 

 on nine occasions. Dredged on six occasions in 1-8 

 fathoms. Clew Bay — Dredged on nine occasions in 2-24 

 fathoms. Ballynakill Harbour — Dredged on twenty-five 

 occasions. Bofln* Harbour — Dredged on seven occasions. 



Distribution. — British Isles ; France ; Madeira ; Mediterranean. 



Odontosyllis ctenostoma Claparede. 



1908. 0. c. Mcintosh, p. 1S2. 



Very abundant throughout the area, living under stones and in Larni- 

 naria roots. Mature specimens were found in August and September, with 

 swimming setae in the 24th-42nd feet. 



Habitat. — Blacksod Bay — Found on shore, on twenty occasions. Dredged 

 in 1 fathom. Clew Bay — Dredged on two occasions, 

 in 4-7 fms. Ballynakill Harbour — Dredged on two 

 occasions in 1-8 fms. Bofix Harbour — Dredged on three 

 occasions. 



Distribution. — Co. Dublin ; south coast of England ; France ; Madeira ; 

 Mediterranean. 



Trypanosyllis zebra (Grube). 



1908. T. z. Mcintosh, p. 1G9. 



Free-swimming Tetraglene buds were taken in the surface tow-net at 

 Bonn Harbour in May and September. In some specimens the 2nd segment- 

 has a bunch of short swimming setae. De St.-Joseph (1886, p. 183) states 

 that these setae commence on the 3rd segment. 



Habitat. — Blacksod Bay — On shore, under stones, on 9 occasions. Clew 



Bay — Dredged on 4 occasions, in 7-16 fms. ; usually in 



Larninaria roots. Boris Harbour — Taken on 4 occasions, 



in the surface tow-net. 



Distribution. — South coast of England ; Channel Isles ; France ; Madeira ; 



Mediterranean. 



Trypanosyllis coeliaca Claparede. 

 1886. T. c. de St.-Joseph, p. 184. 1910. T. e. Mcintosh, p. 240. 



This species is very rare in the district, only two individuals being 

 obtained. 



Habitat. — Clew Bay — Found on two occasions in Larninaria roots ; 



dredged in 9-16 fms. 

 Distribution. — Torquay ; France ; Madeira ; western Mediterranean. 



R,I,A. PROC, VOL. xxxi, E 47 



