THE GEPHYREA OF JAPAN. OO 



(J, — Segmental organs indeßnite in number, always more than 

 3 pairs. 



ff^ — Segmental organs very numerous, small and not 

 provided with si)iral loLes. Prohoscis remarkably 



Ions: T. iœnîoldes. P. 63. 



h. — Segmental organs grouped commonly into 7 pairs, 

 each group consisting of 0-3 large organs ; they 

 are [)rovided with spiral lobes. Proboscis nearly 



as long as body T. fleyaiis. P. 6.5. 



c, — Segmental organs, in the female, in 3 pairs, while 

 in the male they are found in 6 or 8 groups ar- 

 ranged pairwise, each group consisting of 1-4. 

 The shape of the organs is like that of P. elegans. 



T. gogoshimense. P. 66. 



II Lonoitudinal muscle divided into 18 broad bundles. 



Segmental organs in 3 pairs, the anteriormost pair be- 

 ing situated in front of the ventral hooks; they are 

 provided with short spiral lobes. A large rectal gland 

 present T. koJwtoniense{?) P. 60. 



BONELLIA. 



I. Very numerous ventral hooks in the female and no hook in the 



male. 



The female wi>rm bears a grayish brown color ; a large 



form. Parasitic male of a remarkably large size 



B. 'iniijajiiitai. P. 73. 



II. No ventral hook in either sex. 



The female of a grayish brown color, spotted with a 



deep bluish black pigment B. viisaJciensis. P. 74. 



III. Two ventral hooks present in both sexes. 



Color bright green on body and pale green on proboscis. 

 A small form, living in dead corals.... i>. minor. P. 72. 



