47 98 Proceedings of the Royal Irish Academy. 



ventral division of the 11th foot, whereas Mesnil found them in the 13th- 

 15th foot. The anterior end of the body is marked with dark-brown pigment 

 in longitudinal rows on the dorsal and ventral surfaces of the buccal segment, 

 and in transverse rows on the following segments. 



Habitat. — Blacksod Bat — Found on two occasions., in sand under stones. 



Distribution. — Ireland 'Dublin Bay); France [St. Martin). 



Spio seticornis Fabiieius. 



1909. Spio seticornis. Mcintosh, p. 163. 



Xumerous specimens of this species were found, usually living in Lami- 

 naiia roots. The anterior dorsal end is marked with dark pigment. The 

 crochets begin on the 8th setigerous segment. Four eyes are present. The 

 anal segment bears two long dorsal and two short ventral cirri, the latter 

 pair being full of brown pigment. Mature specimens were found in 

 March. 



jj.,},,!,,!. — Blacksod Bav — Found on the shore on three occasions. Dredged 

 on three occasions, in 1-6 fms. Clew Bat — Dredged in 

 7-10 fms. Bofts" Habboue. 



Distribution. — Great Britain: Greenland: Faroe; Baltic. 



Scolecolepis vulgaris (Johnston). 



16. Scoldepk Girardi. Mesnil. p. 140. 1909. Seoleeolepis vulgaris. 



Mcintosh, p. 159. 



This species was generally found living in sand, rarely in Laminaria roots. 

 It was never abundant. Mature specimens were found in March. 



Habit it. — Blacksod Bat — Found on the shore on 5 occasions. Clew 



Bat — Shore of Clare Island, near the Harbour. 

 J) tfribution. — British Isles; Norway; North Sea; France; Mediterra- 

 nean. 



Scolecolepis fuliginosa (Clapar- 



1896. S Is fuliginosa. Mesnil, p. 132. 



This species is common locally in Blacksod Bay, but not widely distri- 

 buted. Mature specimens were found in March. One specimen was found 

 feeding on a red seaweed (Chylocladia sp.). 



Habitat. — Blacesod Bat — Found on the shore on 5 occasions. 



Distribution. — South coast of England ; Xorth Sea: France; Mediter- 

 ranean. 



