PLATE V. 



Fig. 



1 . Purpuroidea nodulata, p. 28, front view, 

 la. — — back view. 



2. — — another example. 



3. — — young shell, front view. 



4. — — cast of the. interior. 



5. Fusus coronatus, p. 23. 



6. Fusus multicostatus, p. 23. 



7. Fusus (Brachytrema) Buvignieri, p. 24. 



8. Delphinula Buckmani, p. 71. 



9. Fusus subnodulosus, p. 23. 



9a. — — portion enlarged. 



10. Ceritella conica, p. 39, front view. 

 10a. — — back view. 



10(5. — — smaller example. 



10c. — — magnified twice. 



11. Actseonina parvula, p. 104, front view. 

 11a. — — back view. 



12. — — younger example. 

 12a. — — adult, magnified twice. 



13. Ceritella unilineata, p. 38, and Plate XIII, fig. 8, Plate IX, fig. 15, var. 



14. Ceritella planata, p. 38, natural size. 



14a. — — magnified three times. 



15. Ceritella mitralis, p. 39. 



16. Ceritella Sowerbii, jo. 38. 



17. Ceritella acuta, p. 37, young, front view. 

 17a. — — y oun g) back view. 



18. — — adult, front view. 

 18a. — — adult, back view. 



19. Pagodus (Amberlya) nodosa,/;. 55. 



