47 122 Proceedings of- the Royal Irkh Academy. 



Habitat. — Clew Bat. Dredged in 16-19 fms., on a sandy bottom, 1 mile 



E. by S. of Clare Island lighthouse. 

 Distribution. — Spitzbergen ; Iceland : Xorway ; Siberia. 



Amphitrite Johnstoni Malrngren. 



1865. Amphitrite Johnstoni. ilalmgren, p. 377. 1898. A. J. de 



Saint-Joseph, p. 421. 1912. A. J. Wollebaek, p. 103. 



This species is occasionally found under stones on the shore, but usually 

 it lives in wide deep tunnels in the sand of Zostera beds. It lines the tunnel 

 with a thick mud tube. 



A small specimen, 20 mm. long, was dredged in 1 fm. in Blacksod Bay. 

 living in Laminaria roots. It agreed with fully grown specimens in having 

 3 pairs of gills, 24 bundles of capillary setae, and double rows of uncini on 

 segments 11-27. 



Habitat. — Blacksod Bat — Found on the shore on two occasions. Dredged 

 in 1 fm., in Laminaria roots. Balltnaklll Habboub — 

 Found on the shore. Bofl>~ Harbour — Found on the shore. 



Distribution. — British Isles; France ; Xorth Sea; Scandinavia; White 

 Sea ; east Xorth America. 



Amphitrite gracilis Grube). 

 1884. Amphitrite gracilis. Marenzeller, p. 176. 1894 A. g. de Saint- 



Joseph, p. 198. 



This species is extremely common on the shore at Blacksod Bay. It lives 

 under stones on the shore, and in crevices of the flaky schist 



Habitat. — Blacksod Bat — Found on the shore on 26 occasions. Clew 

 Bat — Dredged on two occasions, in 18—19 fms., on a rocky 

 bottom. Balltsaklll Harboci: — Found on the shore on 

 two occasions. 



Lepraea lapidaria L. » 

 1894. lapidaria. De Saint-Joseph, p. 202. 



This species was very rare, only two specimens being found. 

 Habitat. — Clew Bat — Dredged in 16 fms. 

 Distribution. — South of England : France ; Mediterranean. 



Seione maculata iDalyell). 

 1894 Scione maculata. De Saint-Joseph, p. 205. 



This species forms a fine tube of sand, small fragments of shell, and pieces 

 of seaweed, usually attached to Hydroids, Polyzoa, or seaweeds. 



