CUSHMAN 



PLATE 5 



1. Heterostegina antillea, n. sp., vertical sections, one 



through the proloculum. X 20. 



2. Oblique section of H. antillea, n. sp., showing 



some of the chamberlets. X 20. 



3. Carpenteria proteus, n. sp., section through several 



chambers. X 20. 



4. Lepidocyclina gigas, n. sp., section through a por- 



tion of the hexagonal chambers. X 20. 

 5 and 6. Heterosteginoides antillea, n. sp. X 20. 



7. Textularia sp. Longitudinal section. X 20. 



8. Quinqueloculina sp. Incomplete transverse sec- 



tion. X 20. 



9. Spiroloculina sp. Section of two specimens, also 



vertical sections of Orbitolites (Sorites) duplex 

 Carpenter. X 20. 



10. Horizontal section through a few chambers of 



Orbitolites duplex Carpenter. X 20. 



11. Nonionina sp. Section, X 20, from Station 



6884, Anguilla. 



12. Spiroloculina sp. Transverse section. X 20. 



13. Globigerina sp. Section. X 20. 



14. Alveolina sp. Section. X 20. 



