EEEANTIATE TOLYCTIAETA OF JAPAN. 89 



with the concavity turned forward and downward. Tentacle taper- 

 ing, witli a spatliiilate appendage on each side of its ceratophore. 

 Snbtentacles moderately long, smooth, tapering to fine end. 



Parapodium superiorly with a well -developed brancliial process. 

 Dorsal ramus of parapodium witli the usual slender, serrated 

 bristles (PI. X, fig. 5), of wliich the upper are distinctly spinous, 

 and the lower less distinctly so. Several long cuticular papillae 

 present around base of dorsal bristle-tuft. 



In tlie anterior ])arts of body tlie ventral group of bristles 

 occasionally presents superiorly a single bristle provided with 

 whorls of spikes (fig. 6). Eest of ventral bristles translucent (fig. 7) ; 

 their canaliculated end moderately long, with well-defined mark- 

 ings. Inferioi' bristles with shorter terminal piece. Tip of ventral 

 cii'iiis reaches to base of the bristles. Ventral ramus of para- 

 |)()dium also with numerous, somewhat translucent papillae around, 

 base of bristle-tufts. 



Habitat:— Off Kol)é, 8-50 fatlioms ("Challenger"); Misaki 

 (Moroiso) in Prov. Sagami, fathoms (!). 



SiJienoIejfis areolata (Mcintosh). 

 V\. X, fig. 8. 



1885. Tieanir.a areolata, Mclntosli. " Cliallengei" Anuel., p. 151. PI. XXT, 

 fig. •{; PI. XXV, fi^s. S, Î); PL XTIlA, fi- 1. 



lî(iil\- 1 ."i;; iiiiii. ill IciigtJi, and its width at the broadest 

 ati(fri(tr \y,\v\ \) jiiui. 



Prostouiiuiu eyeless: fentacle attached to a somewhat corneal 

 cera<o|i]i(ire wliich arises from the front (^f prostomium. On each 

 side of tlu^ ceratophoi'c is a small spatulate process. 



Siilifeiiiaclcs (paipi) long, smooth and thinly tajiering. 



