158 [Assembly 



Bmnchi?5 dolicato, reaching back to the ninth or tenth segment. 



Capillary setse, some (fig. 67), with a single, narrow margin ; 

 others (fig. 68) bilimbate. Cncini begin on the third setigerous seg- 

 ment ; fourteen posterior segments with nncini only ; they have 

 five sharp teeth (fig. 69). 



Branchiie green with dark green center ; head white ; body flesh- 

 color. 



Length, 18-20"'°. 



Dredged, fifteen feet, shelly bottom. 



Fam. TEKEBELLID^. 



AMPHITRITE {MuUer) Malmgren. 

 Malmgren. NorcUska Hafs-Annulater, p. 364. 1865. 



Amphitrite ornata Ver7'iU. 



Terebella ornata Leidt. Marine Iii'-eri. Fauna, R. I. and N. J., p. 14, pi. xi, figs. 



44, 45. 1855. 

 Amphitrite ornata Verrill. Invert. An. Vin. Sound, p. 613, pi. xvi, fig. 82. 1874. 

 " " Webster. Annel. Chset. of the Virginian Coast, p. 263. 1879. 



Yery abundant at low water ; sand and mud. 



SCIONOPSIS Verrill. 

 Invert. Animals of Vineyard Sound, p. 614. 1874. 



SCIONOPSIS PALMATA Yei'vilL 



Verrill. Op. cit., p. 614. 1874. 

 Webster. Op. cit., p. 262. 1879. 



Common; dredged ten to fifteen feet. 



POLYCIRRUS {Gruhe) Malmgren. 

 MaIiMGREN. Nordiska Hafs-^^nulater, p. 393. 1865. 



PoLYCiRRDS EXIMID8 Verrill. 



Torquea eximea Leidy. Marine Invert. Fauna of R. I. and N. J., p. 14, pi. 



xi, figs. 51, 52. 1855. 

 Poll/cirrus eximius Verrill. Invert. An. Vin. Sound, p. 616, pi. xvi, fig. 85. 1874. 

 Webster. Annel. Chset. of the Vir. Coast, p. 263. 1879. 



Common on shells, etc.; dredged. 



Fam. SABELLID^. 



SABELLA (Z.) Malmgren. 

 Malmgren. Nordiska Hafs-/\jinulater, p. .398. 1865. 



Sabella isiicrophthalma Yerrill. 



Verrill. Op. cit., p. 618. 1874. 

 Webster. Op. cit., p. 265. 1879. 



Quite common. 



