246 AET. ir.— A. izuKA : 



compound bristles in ventral ramus. Anal cirri very long and 

 slender. 



Proboscis short and stout, measuring 15^ — 20 mm. in length 

 in fully protruded condition ; papilla? leaf- like and sparsely 

 distributed over the entire surface of proboscis. Jaws moderately- 

 curved, with well developed basal prolongation. 



Habitat : — Kasaoka in Prov. Bittyn (!) ; Kanazawa in Prov. 

 Musashi ; Kojima Gulf in Prov. Bizen (!) ; Tomo Harbour in Prov. 

 Bingo (!) ; Kagoshima in Prov. Satsuma. 



Glycera hasidatensis n. sp. 



PI. XXIV, figs. 14—15. 



The following description is based on four complete specimens 

 collected by myself on the west side of Hashidaté in the Gulf 

 of Miyazu, Prov. Tango. 



Body slender, 60—70 mm. in length, consisting of 1 35- — 150 

 segments ; maximum breadth attained at about 50th segment, 3 

 mm. without parapodia and 4.5 mm. with them. 



Prostomium long, conical, 10 -ringed. The first two pairs of 

 parapodia are rudimentary and lack dorsal cirrus. Posterior 

 parapodia longer than anterior. 



Typical parapodium with two elongate and conical -tipped 

 anterior ligulse separated by a deep notch ; with a broad postero- 

 superior ligula and a small almost depressed postero-inferior 

 ligTila (figs. 14 and 1 5) ; ventral cirrus large, with conical tip, 

 arising from middle of the ventral border of parapodium ; dorsal 

 cirrus short arising close to parapodial base. 



Gills begin to occur from 20th or 30th parapodium, arising 

 from the anterior surface of parai)odia ; they are elongate and 



