82 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.59. 



Fig. 8. Peneroplis pertusus (Forskal). Photograph of specimen from 9 fathoms (16 

 meters), Montego Bay. X30. 

 9. Peneroplis planatus (Fichtel and Moll). Photograph of specimen from 6 

 fathoms (11 meters), Montego Bay. X30. 



10. Peneroplis arietinus (Batsch). Photograph of specimen from 6 fathoms 



(11 meters), Montego Bay. X30. 



11. Peneroplis cylindraceus (Lamarck). Photograph of specimen from 6 fathoms 



(11 meters), Montego Bay. X30. 



12. Peneroplis carinatus d'Orbigny. Photograph of specimen from 2 feet, Bogue 



Islands, Montego Bay. X30. 



13. Peneroplis proteus d'Orbigny. a, side view; b, apertural view. (Peneroplis 



protea d'Orbigny: after d'Orbigny, pi. 7, figs. 7 and 8.) 



14. Peneroplis proteus d'Orbigny. Specimen with slender form. (Peneroplis 



protea d'Orbigny: after d'Orbigny, pi. 7, fig. 9.) 



15. Peneroplis proteus d'Orbigny. Specimen with more flaring form. (Pene- 



roplis protea d'Orbigny: after d'Orbigny, pi. 7, fig. 10.) 



16. Peneroplis proteus d'Orbigny. Close-coiled form. (Peneroplis protea d'Or- 



bigny: after d'Orbigny, pi. 7, fig. 11.) 



17. Peneroplis proteus d'Orbigny. a, side view; b, apertural view. (Peneroplis 



dubius d'Orbigny: after d'Orbigny, pi. 6, figs. 21 and 22.) 



18. Peneroplis proteus d'Orbigny. Photograph of specimen from 6 fathoms (11 



meters), Montego Bay. X 30. 



19. Peneroplis proteus d'Orbigny. Photograph of specimen from 6 fathoms (11 



meters), Montego Bay. X 30. 



20. Peneroplis discoideus Flint. Photograph of specimen from 6 fathoms (11 



meters), Montego Bay. X 30. 



Plate 19. 



Fig. 1. Peneroplis discoideus Flint. Photograph of specimen from 6 fathoms (11 

 meters), Montego Bay. X 30. 



2. Peneroplis discoideus Flint. Photograph of specimen from 10 fathoms (18 



meters), Montego Bay. X 30. 



3. Peneroplis discoideus Flint, a, flat view; 6, edge view. (Orbiculina compressa 



d'Orbigny (part): after d'Orbigny, pi. 8, figs. 5 and 6.) 



4. Orbiculina compressa d'Orbigny. Adult full-grown specimen. (After d'Or- 



bigny, pi. 8, fig. 4.) 



5. Orbiculina compressa d'Orbigny. Young specimen. (After d'Orbigny, pi. S, 



fig. 7.) 



6. Orbiculina compressa d'Orbigny. Photograph of specimen from 10 fathoms (18 



meters), Montego Bay. X 30. 



7. Alveolina pulchra d'Orbigny. a, end view; b, apertural view. (After d'Or- 



bigny, pi. 8, figs. 19 and 20.) 



8. Alveolina pulchra d'Orbigny. Photograph of specimen from Runaway Bay, 



Jamaica. X 30. 



9. Alveolina pulchra d'Orbigny. Photograph of specimen from Runaway Bay, 



Jamaica. X 30. 



