562 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 105 



dorsal lamellae, folded back on dorsum, present on anterior 28-60 

 segments. With genital or interramal pouches in which eggs may 

 be present, formed by union of ventral lamellae, beginning on segments 

 25-50. Anus encircled by 8-14 cirri. 



New records: Labrador: Hamilton Inlet, 30 fms., mud, stones; 

 1 specimen. Station 43. West Coast North America: Washington 

 and Puget Sounds, Washington, 10-165 fms., on bottoms of mud, 

 rocks, mud with sand and kelp, M. H. Pettibone. East Coast 

 North America: Off Maine, Massachusetts, 22-68 fms., U. S. Fish 

 Commission (by Verrill as Scolecolepis cirrata). 



Distribution: Widely distributed in the Ai'ctic: Davis Strait, 

 Greenland, Spitsbergen, Novaya Zemlya, Kara Sea, Siberian Arctic. 

 Also Iceland, Faroes, Norway to English Channel and Mediterranean; 

 Labrador to Massachusetts; Alaska to southern California; north 

 Japan Sea to Japan. In 5 to 891 fathoms. 



Family Cirratulidae 



Genus Cirratulus Lamark, 1801 



Cirratulus cirratus (Miiller, 1776) 



Cirratulus cirratus Moore, 1909b, p. 139. — Wesenberg-Lund, 1953, p. 61. — 

 Pettibone, 1954, p. 286, fig. 33,a-c. 



New record: Labrador: Hebron Fjord, 95 fms., mud; 1 speci- 

 men, Station 11. 



Distribution: Widely distributed in the Arctic. Also Iceland, 

 Norway to France, Canary Islands; Hudson Bay to Massachusetts; 

 Bering Sea to Mexico; north Japan Sea to Japan, Manchuria; Falkland 

 Islands, Magellan Straits, South Georgia, Kerguelen. In low water 

 to 1,611 fathoms. 



Genus Chaetozone Malnigren, 1867 



Chaetozone setosa Malnigren, 1867 



Chaetozone setosa Moore, 1909b, p. 139. — Wesenberg-Lund, 1953, p. 61.— Petti- 

 bone, 1954, p. 287, fig. 33,d. 



New records: Labrador: Hebron Fjord, 95-125 fms., mud, in 

 empty tubes of Pectinaria filled with soft mud; 46 specimens, Stations 

 11, 12. 



Distribution: Widely distributed in the Arctic. Also Iceland, 

 Norway to Canary Islands, Mediterranean, Adriatic, Gulf of Aden; 

 Labrador to Massachusetts; Bering Sea to British Columbia; north 

 Japan Sea; Falkland Islands, Magellan Straits, Kerguelen. In low 

 water to 1,333 fathoms; surface. 



