Plate 19 



Figs. 1-4. Schizellozoon elongahim, new species 123 



1. Zoarial fragments, natural size. 



2. Fragment of a colony with narrow fenestrae, showing 



the ovicell structure; X 20. 



3. Portion of same zoarium, X 20, illustrating the large 



frontal avicularia. 



4. Dorsal face of same showing the vibices; X 20. 

 Albatross Station D. 2666, western Atlantic. 



5-7. Rhamphostomella magnirostris, new species 120 



5. Portion of a bilamellar ovicelled zoarium, with calcified 



and irregular zooecia; X 20. 



6. Bilamellar ovicelled zoarium, X 20, with oriented and 



regular zooecia. The ectocyst covers the frontal. 



7. Operculum, X 85, very much thickened but becoming 



thin at the border. 

 Cedar Keys, Fla. 

 8, 9. ikfasiigfop/jom porosa Smitt, 1873 134 



8. Specimen with ectocyst, operculum, and vibraculum; 

 X 20. 



9. Incrusting ovicelled specimen without ectocyst; X 20. 



Fowey Light, 15 miles south of Miami, Fla. 



184 



