158 [Assembly 



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



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

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

 ment ; fourteen posterior segments with nncini only ; they have 

 live sharp teeth (iig. 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. 



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



Amphitrite ornata Yeri'ill. 



Terebella ornata Leidt. Marine In-^sri. Fauna, R. I. and N. J., p. 14, pi. si, figs. 



44, 45. 1855. 

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

 " " Webster. Annel. Chaet. of the Virginian Coast, p. 262. 1879. 



Yery abundant at low water ; sand and mud. 



SCIONOPSIS Verrm. 

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



SCIONOPSIS PALMATA Yei'vUl. 



Verrili.. 'Op. cit., p. 614. 1874. 

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



Common; dredged ten to fifteen feet. 



POLYCIRRUS {GrxLbe) Malmgren. 

 '~~\ Malmgren. Nordiska Hafs-Annulater, p. 393. 1865. 



PoLTCiRRUs ExiMiDS Verrill. 



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



si, figs. 51, 52. 1855. 

 Polycirrus eximiua Verrill. Invert. An. Vin. Sound, p. 616, pi. xvi, fig. 85. 1874. 

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



Common on shells, etc.; dredged. 



Fam. SABELLID./E. 



^ABmAuJ^ {L.) Malmgren. 

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



Sab ELLA MiCROPHTHALMA Verrill. 



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

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



Quite common. 



