JAPANESE ASTEKOIDEA. 



101 



This species is one of the commonest starfishes in the 

 Japan Sea, and it was dredged up at certain stations by the 

 bushelfnl during the Albatross expedition of 1906. Leaving a 

 detailed report on these specimens to the future I may here give 

 the results of the measurements of some specimens taken at 

 random. It may be mentioned that a specimen of this species from 

 the Japan Sea as well as some from the Pacific were lying in the 

 collection of the Science College, for some time. I at first thought 

 that the Pacific specimens presented some differences from those 

 of the Japan Sea, but they are evidently of minor importance 

 and do not justify one in making them the basis for a new 

 species. The dimensions of the specimens are as follows : 



