Clare Island Survey — Archiannelida and Polychaeta. 47 39 



Habitat. — Blacksod Bay — A single specimen in Laminaria roots from the 



north side of Feorinyeeo Bay. 

 Distribution. — Canary Islands. 



Syllis (Syllis) gracilis Grube. 



1908. S. g. Mcintosh, p. 203. 



A female bud of this species was found in September in Blacksod Bay. 



A specimen was found in Blacksod Bay which, from a portion of the 

 mid-body having only the two thick bifurcate setae in the parapodia, had 

 regenerated a new head and tail. 



Habitat. — Blacksod Bay — Found on shore on 11 occasions, usually under 

 stones. Clew Bay — Common on the south and east shores 

 of Clare Island, under stones and in Lithothamnion. This is 

 essentially a littoral form in the district. 



Distribution. — British Isles; France; Madeira; Canaries; Azores; Medi- 

 terranean; Black Sea; Bed Sea; Persian Gulf; Ceylon; 

 West Indies ; Virginia. 



Syllis (Haplosyllis) spongicola Grube. 



1908. S. s. Mcintosh, p. 197. 



In Blacksod Bay, this species is very common in certain sponges, especially 

 Spongelia fragilis Montagu. 



In the posterior segments there is a black pigment spot between the 

 dorsal cirrus and the setigerous lobe of each foot. 



Habitat. — Blacksod Bay — Common on shore, living in sponges. Clew 

 Bay — Dredged on two occasions in 25-28 fms., living in 

 Halichondria. 

 Distribution. — South coast of England ; France ; Madeira ; Canaries ; 

 Mediterranean ; Black Sea ; Ceylon. 



Autolytus longeferiens de Saint-Joseph. 



1886. Autolytus longeferiens. de Saint-Joseph, p. 217. 1908. A. 1. 



Elwes, p. 202. 1910. A. I. Mcintosh, p. 245. 1892. ? Autolysis 



verrilli. Marenzeller, p. 416. 



Elwes (torn, cit.) pointed out that his specimens differed from those of 

 de Saint-Joseph in having only two small teeth between each of the large 

 ones. In the Irish specimens there are sometimes 2, sometimes 3, small 

 teeth, even in the same specimen. The proboscis is very long and twisted, 



