158 [Assembly 



Brcanehife delicate, reaching back to the ninth or tenth segment. 



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

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

 ment ; fourteen posterior segments with nncini only ; they have 

 five sharp teeth (fig. 69). 



Branchiae green "with dark green center ; head white ; body flesh- 

 color. 



Length, 18-20™°^. 



Dredged, fifteen feet, shelly bottom. 



Fam. TEKEBELLID^. 



AMPHITRITE {MuUer) Malmgren. 

 Malmgrex. Nordiska Hafs-Annulater, p. 364. 1865. 



Amphitrite ornata Verrill. 



Terebella ornata Leidy. Marine Inv;ri. 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. 363. 1879. 



Yery abundant at low water; sand and mud. 



SCIONOPSIS VerrUL 

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



SciONOPSis PALMATA Yej'rill. 



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

 Webster, Op. eit., p. 362. 1879. 



Common; dredged ten to fifteen feet. 



POLTCIRRUS {Grube) Malmgren. 

 Malmgren. Nordiska Hafs-Annulater, p. 393. 1865. 



PoLT CIRRUS ExiMius Verrill. 



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



xi, figs. 51, 53. 1855. 

 Polycirrus exivuusY^v.TXUJu. Invert. An. Vin. Sound, p. 616, pi. xvi, fig. 85. 1874. 

 " " Webster. Annel. Chset. of the Vir. Coast, p. 363. 1879. 



Common on shells, etc.; dredged. 



Fam. SABELLID^. 



SABELLA {L.) Malmgren. 

 Malmgren. Nordiska Hafs-Annulater, p. 398. 1865. 



Sab ELLA MicROPHTHALMA Yerrill. 



Verrh^l. Op. cit., p. 618. 1874. 

 Webster. Op. cit., p. 365. 1879. 



Quite common. 



