POLYCHAETE WORMS — PETTIBONE 559 



New records: Labrador: Hebron Fjord, Davis Inlet, Kaipokok 

 Inlet, Hamilton Inlet, Backway, and west end Lake Melville, Strait 

 of Belle Isle, 6 to 95 fms., on bottoms of mud, silt, rubble, muddy 

 sand, rocks, pebbles with sand; 28 specimens. Stations 7, 11, 17, 18, 

 20, 24, 43, 48, 54, 67. 



Distribution: Widely distributed in the Arctic. Also south to 

 France, Massachusetts, southern California, Japan and China. In 

 low water to 500 fathoms. 



Family Sphaerodoridae 



Prostomium indistinct, covered with papillae. Eyes 2 or 4, under 

 integument. Integument covered with small papillae and number 

 of large spherical capsules. Parapodia uniramous, covered with 

 papillae. Proboscis unarmed, globular. 



Genus Ephesia Rathke, 1843 

 Ephesia gracilis Rathke, 1843 



Ephesia gracilis Rathke, 1843, p. 176, pi. 7, figs. 5-8. — Webster and Benedict, 

 1887, p. 728.— Fauvel, 1923, p. 377, fig. 148,a-f.— Augener, 1928, p. 736.— 

 Berkeley and Berkeley, 1944, p. 2. — Annenkova, 1937, p. 165; 1938, p. 163. — 

 Gorbunov, 1946, p. 38.— Zatsepin, 1948, p. 122.— Wesenberg-Lund, 1950a, 

 p. 22; 1950b, p. 63; 1951, p. 48; 1953, p. 46. 

 Sphaeordomm papillifer Moore, 1909a, p. 333, pi. 15, figs. 11, 12. 

 Ephesia papillifer Berkeley and Berkeley, 1948, p. 27. 



Description: Body elongated, filiform, about 120 segments. 

 Spherical capsules in two dorsolateral longitudinal rows; capsules 

 with short terminal processes. Eyes 4. Setae simple. 



New records: Labrador: East end Lake Melville, 65-100 fms., 

 sandy mud, some rock; 1 specimen, Station 36. Canadian Arctic: 

 Baffin Island, 66°43' N., 80°07' W., 1927., R. A. Bartlett. North- 

 west Greenland: 1 mile northwest of Conical Rock, 1940, R. A. 

 Bartlett. 



Distribution: Widely distributed in the Arctic: Canadian Arctic, 

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

 Also Iceland, Norwegian coast to France, Mediterranean; Labrador 

 to Maine; Bering Sea to southern California; north Japan Sea; Ant- 

 arctic. In 25 to 723 fathoms. 



Family Onuphidae 



Prostomium with 2 globular ventral palps, 7 antennae — 2 frontal, 

 ovoid, and 5 occipital with more or less ringed ceratophores. An- 

 terior parapodia more or less modified. Pharynx with a labrum and 

 3-5 pairs of jaws and an unpaired piece. Tentacular segment achae- 

 tous and apodous. 



