Plate IV. 



Figs. 1-3. Abacterial, actinal and profile views of Sehizaster recticanalis 

 Yosh. From the environs of Kanazawa, Prov, of Kaga. 



Figs. 4-5. Abactinal and actinal views of Sehizaster nummuliiicus Tok. 

 From Bonin Is. 



Fig. 6. Same specimen of Sehizaster nummuliticus Tok., showing the 

 periproctal portion. 



(All figures in natural size). 



