POLYCHAETE WORMS — PETTIBONE 573 



Zeml3^a, Kara Sea. Also Shetlands, Norway to Danish waters and 

 Scotland; Hudson Bay to Massachusetts; Bering Sea to southern 

 California; north Japan Sea to Japan, In 2 to 1,062 fathoms. 



Genus Lysippe Malmgren, 1865 

 Lysippe labiatn Malmgren, 1865 



Lysippe labiaia Malmgren, 1865, p. 367, pi. 26, fig. 78. — Annenkova, 1937, p. 

 189; 1938, p. 201.— Gorbunov, 1946, p. 39.— Zatsepin, 1948, p. 151, pi. 37, 

 fig. 17.— Wesenberg-Lund, 1950a, p. 48; 1950b, p. 113; 1951, p. 105; 1953, 

 p. 93.— Berkeley and Berkeley, 1952, p. 67, fig. 138. 



Description: Peristomium forms a widely protruding collarlike 

 lobe. Abdominal segments 14 (13-15?). Two short anal cirri. 

 Without paleae (or very small and delicate). 



New records: Labrador: Hamilton Inlet, Strait of Belle Isle, 

 8-30 fms., soft mud and mud with stones; 2 specimens. Stations 17, 

 43. East Coast North America: Bedford Basin, Nova Scotia, 

 40 fms., U. S. Fish Commission (by Verrill). 



Distribution: Widely distributed in the Arctic: Siberian Arctic, 

 Greenland, Spitsbergen, Barents Sea, Novaya Zemlya. Also Iceland, 

 Denmark; Labrador to Nova Scotia; Alaska; north Japan Sea. In 

 1 to 433 fathoms. 



Genus Samytha Malmgren, 1865 



Samyiha sexcirrata (Sars, 1856) 



Samytha sexcirrata Malmgren, 1865, p. 370, pi. 20, fig. 49.— Verrill, 1881, pp. 298 

 305, 309, 312.— Moore, 1909b, p. 140; not 1923, p. 214.— Chamberlin, 1920, 

 p. 23.— Berkeley and Berkeley, 1944, p. 3. — Zatsepin, 1948, p. 151, pi. 37, 

 fig. 19. 



Description: Branchiae 6, in transverse row from a common base. 

 Abdominal segments 13. With an anterior ventral collar below the 

 prostomium. 



New records: Labrador: Strait of Belle Isle, 8 fms., soft mud; 

 3 specimens, Stations 17. East Coast North America: Off Georges 

 Bank, 110 fms., U. S. Fish Commission (by Verrill). 



Distribution: Siberian and Alaskan Arctic; Norway; Labrador 

 to Gulf of Mame; Alaska. In 8 to 110 fathoms. 



Genus Sabellides IMilne-Edwards, 1838, emend. Malmgren, 1865 

 Sabellides borealis Sars, 1856 



Sabellides borealis Malmgren, 1865, p. 368, pi. 20, fig. 47.— Moore, 1909b, p. 

 139.— Gorbunov, 1946, p. 39.— Zatsepin, 1948, p. 151, pi. 37, fig. 15.— 

 Wesenberg-Lund, 1950a, p. 47; 1950b, p. Ill; 1951, p. 104; 1953, p. 92. 



