POLYCHAETE WORMS — PETTIBONE 553 



cirri, with the first setigerous lobes. Prostomium cordiform, with an occip- 

 ital tubercle in the posterior notch (may be withdrawn). 



Phyllotloce (Anaitides) 

 First 2 tentacular segments fused, well developed, encircle prostomium, with 

 3 pairs tentacular cirri; third tentacular segment distinct, with 1 pair ten- 

 tacular cirri, 1 pair normal ventral cirri, with the first setigerous lobes. 

 Prostomium oval or oval with a posterior extension, with or without an 

 occipital tubercle Paranaitis 



Genus Phyllodoce Savigny, 1817 



Subgenus Anaitides Czerniavsky, 1882 



Both species have the proboscis with 12 longitudinal rows of papillae 

 basally, 6 on each side, 8 to 20 papillae per row. 



Key to the species of Phyllodoce (Anaitides) from Labrador 



1. Ventral cirri distally blunt or slightly pointed. Dorsal cirri subrectangular. 



P. groenlandica 



Ventral cirri acutely pointed distally. Anterior dorsal cirri suboval, median 



ones subrectangular P. mucosa 



Phyllododce (Anaitides") groenlandica Oersted, 1843 



Phyllodoce groenlandica Wesenberg-Lund 1953, p. 30. — Pettibone, 1954, p. 236, 



fig. 27,d,i. 

 Phyllodoce mucosa Moore, 1909b, p. 134; not P. mucosa Oersted, 1843 (examined 



in USNM). 



New record: Labrador: East end Lake Melville, 70 fms., mud; 

 1 specimen, Station 29. 



Distribution: Widely distributed in the Arctic. Also Ireland, 

 Scandinavian countries to English Channel; Hudson Bay to Massa- 

 chusetts; Bering Sea to Washington Sound; north Japan Sea. In low 

 water to 800 fathoms. 



Phyllododce (Anaitides) mucosa Oersted, 1843 



Phyllodoce mucosa Malmgren, 1867, p. 21, pi. 2, fig. 7. — Webster and Benedict, 

 1887, p. 710.— Moore, 1909a, p. 336; not 1909b, p. 134.— Fauvel, 1923, p. 

 152, fig. 54,a-e.— Rioja, 1941, p. 682.— Berkeley and Berkeley, 1948, p. 46, 

 fig. 68.— Wesenberg-Lund, 1950a, p. 10, pi. 1, fig. 3; 1950b, p. 34; 1951, p. 27. 



Anaitides mucosa Friedrich, 1939, p. 122.— Hartman, 1948, p. 19.— Zatsepin, 1948, 

 p. Ill, pi. 29, fig. 4,b-c. 



New records: Labrador: Ironbound Islands, 4-7 fms.; 2 speci- 

 mens. Station 69. East Coast North America: Off Maine, Long 

 Island Sound, Gulf of Mexico, in low water to 146 fms., U. S. Fish 

 Commission. 



Distribution: Scattered records m the Arctic: Greenland (?), 

 Barents Sea, Siberian Arctic. Also Iceland, Faroes, Danish and 

 Swedish coasts to France, Mediterranean; Hudson Bay to Long 

 Island Sound, Gulf of Mexico, Alaska to southern California and 

 Mexico. In low water to 245 fathoms. 



