﻿122 BULLETIN 103^ UNITED STATES NATIONAL MUSEUM. 



Holoporella alMrostris (Smitt). 



Fig. 8. Several zooecia much enlarged (after Smitt). 

 Recent, Gulf of Mexico. 



Stichoporina tuherosa, new species. 



Fig. 9. Two zoaria, natural size. 



10, 11. Two views X 20, of the convex, celluliferous side. 

 12. Photograph of the concave side, X 20. 

 Miocene, Banana River, Costa Rica. 



