ERRANTIATE TOLYOHAETA OF JAPAN. 



41 



into two platos ; anterior plate the larger, containing the outer end 

 of a rather strongly curved aciculum. Dorsal ramus rudimentary, 

 nipple-like, without bristles but with a slender aciculum. Ven- 

 tral bristles perfectly colourless, delicate ; their end 

 somewhat abruptly enlarged, slightly curved and 

 tapering to bifid tip, of which the last terminal 

 process is the larger and is slightly hooked ; proximad 

 from tlie 2nd terminal process there are 9 — 14 trans- 

 verse combs, the teeth of which are distally minute 

 but proximal ly grow in length, exceeding the width 

 of tlie bristle. 



Habitat : — Saga mi Bay, 153 fathoms (" Alba- 

 tross "). 



rJenus Pohjiioëlla Mcintosh. 



Eody short, of a somewhat elliptical shape, 

 massive though soft. Distinguished by large smooth 

 elytra, by short tentacles and subtentacles, by the 

 ,,.„, , , laroro size and paucitv of ventral bristles, and bv 

 bristle of 7'. 'mr/r,«a- 1-|^(^ abseuce of dorsal bristles. 



rnrnntii 110/1. 

 [At 1er J. r. Moore]. 



rohjHoëlla levlsetosn Mcintosh. 



K'-Sfj. Polynoëlla levisetos.-i, Mcliitosli. "Challenger" Anuel. p. 128, 

 ri. Xr, fig. 4 ; PI. XV, fig. 8; PI. XVI, fig. 4; PI. XVIII, fig. 

 G; VI XIX, fi- S; PI. XfA, fig. 7; PI. XXIIa, fig. G. 

 Ill ilic absence o^ my <nvM observations on the species I 

 make an extract from the original describer's description. 



l)0(ly (iiiclmling ])i\)triidod prol)oscis) about IS mm. in k'Ugth, 

 and 11 mm. in Itroadtli iiiclnding parapodia and seta3. 



rrostomiinn widor tliaii long, witli 4 eyes, the smaller pair 



