8 



11, 



16. 

 17. 



18. 



19. 



20. 

 21. 



22. 



23. 



V 24. 

 ^ 25. 



, 2(). 



lamcllosiiin nuh. Spec. Cuncli. f. 9, 19. Indian Ocean. 



reticulatum 7?o/>. Spec. Conch, f. 11, 12. Brazil and 

 W. Indies. 



crenulatum nob. Spec. Conch, f. 13. 



duplicatum nob. Spec. Conch, f. 14, 15. Ceylon. 



punctatum nob. Z. P. 1832, Dec. Conch, 111. f. 7. Gal- 

 apagos Islands. Mr. Cuming. 



purpurascens nob. Z. P. 1832, Dec. Conch. III. f. 5. 

 St. Elena. W. Col. Mr. Cuming. 



multicostatum nob. Spec. Conch, f. 16. 



lenticulare nob. Z. P. 1832, Dec. Conch, III. f. 9. St. 

 Elena, W. Col. Mr. Cuming. 



lyeve nob. Z. P. 1832, Dec. Conch. 111. f. 6 Xipixapi. 

 W. Col, Mr. Cuming. 



prismaticum Lam. Spec. Conch, f. 21. British. 



tenue Lam, Spec. Conch, f. 22. British. 



Boysii Lam. Spec. Conch, f. 23. British. 



Siculum?(o6. Spec, Conch, f. 24. Sicily. 



LIST OF FIGURES. Parts 17 to 19. 



Fig. 6. A. laeve. 



7. A. punctatum. 



8. A. formosum. 



9. A. lenticulare. 

 10. A. Rupium. 



10.*A. Rupium, var. 



Fig. 1. A. roseum. 

 2. A. pulchrum. 



2.*A. pulchrum, var. 



3.*A. pallidum. 



4. A. australe. 



5. A. purpurascens. 



