THE BEITISH NOBTH-POLAR EXPEDITIOIf. 131 



Bay by Mr. H. C Hart ; others come from Cape Frazer in 30 

 fathoms (mud), Discovery Bay in 5 fathoms, and in 35 fathoms at 

 Hayes Point. 



Eanges from Britain to Finmarb, Spitzbergen, Grulf of St. Law- 

 rence, Grreenland, and probably in most northern seas. 



AUTOLTTUS LONGISETOSUS, CErst. 



On a muddy bottom in 11 fathoms in 81° 44' N. lat. 



All are sexual forms (males), and the beautiful iridescence of 

 their long bristles is striking. O. Fabricius* named the same form 

 Nereis prismatica ; and he found them for the most part in masses 

 of a yellow foetid sponge. 



The species ranges from Greenland to Spitzbergen. 



Fam. Nebeid^. 



Nebeis zonata, Malmgren. 



Dredged in 15 fathoms, Franklin-Pierce Bay ; bottom-tempe- 

 ture 29°-50. 



Not uncommon at Spitzbergen and Grreenland. 



Fam. LuMBEINEBEID-2!. 



Ltjmbeiconeeeis eeagilis, O. F. Muller. 



A specimen of considerable size (about 9 millims. in diameter) 



from Discovery Bay, in 5 fathoms. 



Abundant in all northern waters. 



M 

 Fam. SCALIBBEGMID-S. 



EuMENiA CEASSA, (Ersted. 



A full-grown example from Cape Frazer, on stony ground, in 

 20 fathoms. 



Eanges from Britain to Scandinavia, to Spitzbergen and Green- 

 land. 



Fam. Halelminthid^. 



Capitella capitata, Fahr. 



A fragment from Discovery Bay. 



Generally distributed in the northern seas, 



Fam. Amphicxenid^. 



CiSTENIDES GEANULATA, L. 



From Discovery Bay. 



* ' Fauna Groeulandica,' p. 302. 



