90 



K. MITSUKÜRI : STUDIES ON 



Description : — Tentacles 20, with branches given off not only 

 at the top but sometimes somewhat lower down, approaching 

 in appearance those of a dendrochirote form. 



Color reddish brown to blackish brown ; ventrum mostly 

 lighter than dorsum. Often small light spots on the dorsum 

 corresponding to papilla). Tentacles often black. 



Very numerous pedicels on the ventrum ; sparsely scattered 

 papillae on the dorsum. In well preserved specimens (No. 1267), 

 pedicels in the three ventral, and papillœ in the two dorsal am- 

 bulacral, zones. End-plates of pedicels large (0.8 mm.) same of 

 papillae very small and imperfect. 



Eadialia of calcareous ring very large compared with the 

 interradialia. Polian vesicle single, in the left ventral inter- 



