Plate V. 



, — Lizzia shimiko. Magnified. 



. — Favonia nipponica. Natural size. 



. — Favonia sulcata. | natural size. 



, — Urasliimea glohosa, f natural size. 



, — Portion of the umbrella-margin of Urasliimea gloho&a. Magnified. 



, — Interumbrellar spaces and radial canals of Urasliimea globosa. 



Magnified. 

 . — Urasliimea macrotentacidata. 3 x natural size. 

 , — Polyorchis harafutoensis. Natural size. 

 .— Scolionema gemmifera. Adult form. Magnified. 

 . — Scolione}iia gemmifera. Immature form. Magnified. 

 . — ^gina pentanema. -| natural size. 



