564 PROCEEDINGS OF THE NATIONAL MUSEUM VOI-.106 



with elongated, cylindrical or capitate papillae agglutinated with 

 mud and sand. No to- and neurosetae on first three setigers capillary, 

 ringed, iridescent, longer than the following, directed forward forming 

 a cephalic cage. Neurosetae, beginning on setiger 4, hooked sigmoid 

 crotchets of variable form; notosetae capillary. 



New records: Labrador: Hebron Fjord, Strait of Belle Isle, 

 8-13 fms., soft mud, and sand with rocks, pebbles; 5 specimens. 

 Stations 17, 18. East Coast North America: Off Nova Scotia, 

 Maine, Massachusetts, 18-96 fms., U. S. Fish Commission (by Verrill 

 as Trophonia aspera). Canadian Arctic: Kneeland Bay in Fro- 

 bischer Bay, Baffin Island, 17 fms., 1942, R. A. Bartlett. North- 

 west Greenland: 1 mile northwest of Conical Rock, 25-60 fms., 

 1940, R. A. Bartlett. West Coast North America: Albatross 

 Station 2845, Alaska Peninsula, 54°05' N., 164°09' W., 42 fms., 

 1888; Strait of Juan de Fuca, Washington and Puget Sounds, Wash- 

 ington, low water to 105 fms., M. H. Pettibone. 



Distribution: Widely distributed in the Arctic: Siberian and 

 Canadian Arctic, Greenland, Spitsbergen, Barents Sea, Novaya 

 Zemlya, Kara Sea. Also Iceland, Faroes, Norway to France, Adriatic, 

 Iranian Gulf; Labrador to Massachusetts; West Indies, Venezuela; 

 Alaska to Columbia; Okhotsk Sea to Japan, China. In low water to 

 1,611 fathoms. 



Genus Brada Stimpson, 1854 

 Key to the species of Brada from Labrador 



1. Notosetae well developed. Body covered with elongated cylindrical papillae 



encrusted with sand. Long fusiform papillae around the setal bundles 



B. villosa 

 Notosetae poorly developed, few or absent 2 



2. Papillae very small, globular or cup-shaped, covered with thin layer of sand 



B. inhabilis 



Papillae scattered, elongated, conical or cylindrical with small tip, covered 



by entire layer of sand (necessary to remove sand to see shape of papillae) 



B. granosa 



Brada villosa (Rathke, 1843) 



Brada villosa Wesenberg-Lund, 1953, p. 67.— Pettibone, 1954, p. 290. 



New record: Labrador: Backway, Greater Lake Melville area, 

 15-16 fms.; 1 specimen, Station 67. 



Distribution: Widely distributed in the Arctic. Also Iceland, 

 Norway to Spain, Mediterranean, Adriatic, south Arabian coast; 

 Hudson Bay to Rhode Island; Bering Sea to southern California; 

 north Japan Sea to Japan; South Orkney and South Shetland Islands. 

 In low water to 853 fathoms. 



