EilllANTIATE POLYCHAETA OF JAPAN. 93 



sinuütli 8ubkuitciclu s})riiigs frum tlio middle uf the vuiitml face of 

 tlio basal procoss of lirsfc parapodium. The first parapodium carries 

 a double series of long, tapering, slender, spinous bristles. 



Elytra 15(1 pairs ; mostly reniform (fig. 10), and with numerous 

 minute jiapillae, while tlie outer border bears a series of large 

 simple i»apillae, A wt^II-develo})ed l)ra.nchial process exists above 

 each parapodium. On the dorsal ridge beneath it are three 

 T-sliaped ctenidia. 



Dorsal bristle's ((ig. l))) loJig, somewhat stiff, finely tapering, 

 spinous from a. little al)0ve base to a[)ex. Ui)per set of ventral 

 bristles {iA^x. 14) witli simple tip, boldly spinous; below them some 

 wifli (apering l)ifi(l end-piece of about three joints, the end of shaft 

 ha,\ing a, few rows of spines (fig. 15). The main part of ventral 

 ranuis lias stout bristles with bevelled end to shaft, and with a 

 slK^)rt-beaked end-})iece of one segment (üg. 1(5). Near tlie ventral 

 edge the ventral ramus has more slender bristles with a few 

 rows of S]>ines on the shghtly expanded distal region of shaft and 

 an end-piece of fron] one to four joints. There occur a group of long 

 paiùllae on the anterior edge of dorsal ramus, one similar papilla 

 a,b()V(> the aciculum of ventral ramus, and a ciliated or i)apillose 

 frill at base of lowest slender bristles. Ventral cirrus elongate, 

 .>ul»ulate, not reaching tip of i>arapodium. 



Habitat : — Misaki in I'rov. Saganii, -lulv, 1U07. 



Family Palmyridae. 



Pai'MiMidia proxided with dorsal cirrus alternate with tliose 

 wliieli have none. Klvtra. absent. 



