POLYCHAETE WORMS, PART 1 33 



Distribution. — West Greenland, off Norway, Faroes, Iceland, 

 Danish waters, off Newfoundland to Massachusetts. In 20 to 471 

 fathoms. 



Austrolaenilla lanelleae (Pettibone, 1955) 



Figure 4c 

 Austrolaenilla lanelleae Pettibone, 1955, p. 118, fig. l,a-/. 



Description. ^Length up to 23 mm., width including setae up to 

 7.5 mm., segments 40, 41. Elytra missing. 



Biology. — Dredged on bottoms of sandy mud, associated with 

 numerous specimens of the commensal pol^moid, Harmothoe acanellae. 



Material examined. — Off Martha's Vineyard, Massachusetts, 

 458 fathoms; 39°48' N., 71°06' W., 700 fathoms, August 27, 1959, R. 

 Wigley. 



Distribution. — Off Massachusetts. In 458 to 700 fathoms. 



Genus Eucranta Malmgren, 1865 



Eupolynoe Mcintosh, 1874; type (herein designated): Eupolynoe occidentalis 

 Mcintosh. 1874:; — Eucranta villosa Mahngren, 1865. 



Type (monotypy) : Eucranta villosa Malmgren, 1865. Contains 

 onl}' one New England species. 



Eucranta villosa Malmgren, 1865. 



Figure 4,o,& 



Eucranta villosa Malmgren, 1865, p. 80, pi. 10, fig. 9. — Verrill, in Smith, Harger, 



and Verrill, 1874, pp. 22. 37. 

 Eupolynoe occidentalis Mcintosh, 1874, p. 264, pi. 9, figs. 8-13. — Whiteaves, 



1901, p. 85. 

 Eucranta occidentalis Treadwell, 1948, p. 16, fig. 5c. 

 Harmothoe villosa Wesenberg-Lund, 1950b, p. 25; 1953, p. 22. 

 harmothoe (Eucrante) villosa Eliason, 1962, p. 221. 



Description. — Length up to 53 mm., width including setae up to 

 14 mm., segments 36-40. Elytra 15 pairs, covering the dorsum, with 

 numerous papillae scattered on surface as well as on posterior and 

 lateral borders, with scattered microtuberclcs on anterior curved 

 part. Prostomium with cephalic peaks weakly developed, anterior 

 pair of eyes larger than posterior pair, anterolateral in position. 

 Setae golden yellow. Notosetae form a very bushy bundle; they are 

 short, stout, strongly curved, with spinous rows extending almost to 

 tip. Neurosetae longer, with spinous rows. Upper neurosetae with 

 tips slender, nearly straight, split or forceps-like (fig. 4b); middle and 

 lower ones shorter, with long bare entire tips. 



Biology. — Dredged on bottoms of mud, sand, and gravel. 



Material examined. — Gulf of St. La^vl^ence, Massachusetts 

 (Georges Bank, Cape Cod, Martha's Vineyard), in 105-410 fathoms. 



