ERRANTIATE POLYCHAETA OF JAPAN. 



23 



unbranched. None on the dorsum of para- 

 podium. 



Both dorsal and ventral bristles similar 

 in their arrangement to those of P. chitoni- 

 fonnis, leaving the entire bearded parts of ven- 

 tral bristles exposed when seen from above ; 

 each bristle slender, softer and more densely 

 provided with longer lateral processes. The 

 latter are somewhat stouter, with a less 

 number of hair rows. 



Elytra resemble those of the species in 

 comparison in their number, arrangement, 

 form and even in the character of their 

 papillae and cilia, the chief difference lying 

 in the larger size of the granules and the 

 strong tendency of the papillne to become 



A. Middle ventral bristle of SpUlOUS. 



B. A portion from the middle Habitat : — 

 of ÎI dorsal bristle of siime. / \ ii j. '<\ 

 586/1. [After J. P. Moore]. ( AlOatrOSS ). 



-Sagami Bav, 31 — 43 fatlioms 



Tohjuo'e caelora (^loore). 



1903. Lepidouotus caelonis, Moore. Broc. Acad. Nat. Sc. Pliilaci, Vol. 

 LY, p. 412, pi. xxiii, ti-. 12. 



This is another spec;i(>s of which 1 have as yet failed i(^ secure 

 specimens, 'i'lic eliaracicrs of iliis species as given by Mooee, 

 may Ih' liridly stated as follows : 



Body sliort and compact, but inucli more slender than either 

 of tlic tw. ) foivgoing species. Tlic largest specimen was 25 mm. 

 long and S mm. wide as measured transversely from ti]) to tip of 



