118 



[. IKEDA. 



number of specimens among the plankton captured near the Laboratory. 

 In the stage of development in which the free larvai stand, it is unlike 

 any of the four types of Actinotrocha which I have described from the 

 waters near Misaki in 1901 -(Jour. Sci, Coll, XIII, p. 534); but whether 

 it should really be made into a distinct type, remains to be seen. 



