228 U.S. NATIONAL MUSEUM BULLETIN 2 27 



postsetal lobe wide, rounded with mucronate tip, with presetal lobe 

 bilobed v/ith subeqiial conical lips. Proboscis with about 17 chevrons 

 in each group (15-21). Distal part with 2 dentate macrognaths each 

 with 3-6 teeth and X-shaped micrognaths forming a complete circlet. 



Biology. — Dredged on bottoms of soft sticky mud, very fine sand, 

 muddy sand with rocks, gravel, and shells. Found in the stomach of 

 haddock (Georges Bank, 1954, R. Wigley). 



Material examined. — Massachusetts (Georges Bank, 100-175 

 fathoms, R. Wigley; U.S. Fish Commission Location 876, 39°57' N., 

 70°56' W., 120 fathoms, 1880; Location 1028, 39°57' N., 69°17' W., 

 410 fathoms, 1881). 



Distribution. — Norway, Faroes, Iceland to North Sea, Medi- 

 terranean, Adriatic, West Africa; off Massachusetts to off Long 

 Island Sound, West Indies. In 22 to 466 fathoms. 



Goniada brunnea Treadwell, 1906 



Figure 57,a,b 



Goniada brunnea Berkeley and Berkeley, 1948, p. .33, fig. 44. — Hartman, 1950, 

 p. 17, pi. 1, figs. 1-6, pi. 4, fig. 1.— Not Knox, 1960, p. 136. 



Description. — Length up to 160 mm., width up to 5 mm., segments 

 up to 200. Anterior unhamous region of about 44 segments (38-50). 

 Dorsal cirri broad, foliaceous, with more slender base. Neuro- 

 podium with equally bilobed presetal lobe and entire postsetal lobe. 

 Ventral cirri sunilar to the neuropodial lobes. Posterior biramous 

 region only slightly enlarged, with parapodial rami well separated 

 (fig. 57, a,b). Dorsal cirri broad, foliaceous, with more slender base. 

 Notopodium with presetal lobe longer, conical, and postsetal lobe 

 shorter, rounded. Neuropodium with presetal lobe bilobed with 

 lobes subequal, conical. Postsetal lobe slightly shorter than presetal 

 lobe, conical. Proboscis with about 18 chevrons in each group (9-19). 

 Distal part with 2 dentate macrognaths each with 4-6 teeth. About 

 10 X-shaped micrognaths in ventral arc; none in dorsal arc. 



Biology. — Dredged on bottoms of mud and broken shells. Found 

 at low water. 



Material examined. — North Atlantic (Albatross III, 40°30' N., 

 70°35' W., 37 fathoms, 1955, R. Wigley; Albatross Station 2018 

 37°12' N., 74°20' W., 788 fathoms; Station 2072, 41°53' N., 65°35' W., 

 858 fathoms; Station 2109, 35°14' N., 74°59' W., 142 fathoms; 

 Station 2217, 39°47' N., 69°34' W., 924 fathoms; Station 2528, 

 41°47' N., 65°37' W., 677 fathoms), North Pacific (Washington and 

 Puget Sounds, 10-140 fathoms). 



Distribution. — Alaska to southern California, off Hawaii, off 

 Massachusetts to off North Carolina. Low water to 924 fathoms. 



