PLATE CII. 



Gypsina. — Cymbalopora. 



Diam. Page 



Figures 1-6. — Gypsina inhcerens, Schultze, sp., . . x 30-40 718 



Figs. 1-3. Free surface; fig. 4, adherent surface; fig. 5, 

 peripheral aspect ; fig. 6, horizontal section of 

 the test, viewed by transmitted light. 



„ 7-12. — Cymbalopora (Tretomphalus) bulloides, 



d'Orbigny, sp., . . . x 60 638 



Figs. 7-10. Lateral aspect; fig. 11, superior aspect; 



fig. 12, inferior aspect. 

 Fig. 7. Is drawn from a pelagic specimen ; the rest from 



bottom specimens. 



„ 13. — Cymbalopora poeyi, d'Orbigny, sp., . x 50 636 



a, Superior aspect; b, inferior aspect; c, peripheral 

 aspect. 



,, 14. — Cymbalopora poeyi, var., . . x 50 637 



a, Superior aspect; b, inferior aspect; c, peripheral 

 aspect; d, peripheral aspect of a somewhat 

 similar, more slightly built specimen. 



,, 15-18. — Cymbalopora tabcllceformis, n. sp., . x 40 637 



Fig. 15. Superior aspect; figs. 16, 17, inferior aspect; 

 fig. 18, peripheral aspect. 



