EPtUANTIATE POLYCHAETA OF .TAPAN. 103 



Tlio tul)(' (PI. T. n,ii:. 7) of this species is one of tlio most 

 remarkable. It is about 200 mm. long and (S mm. thick, witli one 

 end strongly bent in a S(^m('what liookdike manner. It is hrm 

 and is coat(Hl cxÜM-nally with a greyisli sandy mud and internally 

 with a tuiiLTli whitish secretion. Tire surface of the straight part 

 of the tiilx' is comparatively smooth, but the curved posterior part 

 is fiicnishod with luimerous long and slightly bent elastic spines 

 of a length 4 or "> times the diameter of the tube. These spines 

 are com]»osed of a hyaline secretion in concentric layers, 



llal)i<at : — Sagami P)ay ; (Juif of Kagoshima in Prov, Satsiima, 



Ontf.phis f/eopJiilifonnis {^loovo). 



1*1. \1, ligs. 8—0. 



19():î. Nortliiîi goophijit'oiniis, Moore. Proe. Acarl. Nat. Sc. Philad. Vol. 

 r.Y, p. 44.1. 



Tjodv consisting of al)out 1 40 segments, measuring 2P) mm. in 

 length, ;> mm. in breadth iiicliidiiig ])arapo(lia. It is slenderly 

 (doiigjiied. dc^pressed and slightl\' tapering postei'iorly in the 

 pDsterior 1 hree-foni'ths of ifs length. 



Prnsfomiinn sniall. nari'ow, inconspicuous, closely miited with 

 p^■l•isl< miiuni. I''\'es ;ibsent. Anh'rior lenta(4es prominent, rather 

 slender, ;is long as prost )niintn in lenglli. Palpi ahont twice the 

 jcii'jth of jniicrioi' Icnhieles ;in<l projeeling almost hori/^onta lly 

 I 111 I w ; I ni I'n Mil \ ('111 i'o-l;il I'l'M I si( les of | )rosl oniinin. Posterior tentacles 

 !;irL''e ;iiii I eoiispiciioii >. wilh I'ei ii;i ik;i I )l \- joiiu a iinii la te(l cerato])hore, 

 ;iii(|, cxeep! iirj Hie oiMer lateral tentacles, wilh long, slendei", 

 whip-liki' sl\le->: niedi.-in tenta(4e distinctly smaller than the 

 inner l;itera!s, JN tip reiichjiiu to sth segment, while the lattei' 

 rc'i'di In lllli; the Miller |:iter;iU sliorl. reacdiiirj; lo It h seu'm^'nt : 



