PLATE 53 



1. Volvula oxytata Bush, Lake Worth, Florida. 3.5 mm. p. 139. 



2. Micromelo undata Bruguiere. Deerfield, Florida. 14 mm. p. 141. 



3. Acteon punctostrlatus C. B. Adams. Sanibel, Florida. 5 mm. p. 138. 



4. Haminoea antlllarum guadalupensls Sowerby. Sanibel, Florida. 18 mm. p. 141. 



5. Phlline sagra Orbigny. Lake Worth, Florida. 4 mm. p. 142. 



6. Atys sharpi Vanatta. Boynton, Florida. 7.5 mm. p. 139. 



7. Morum oniscus Linn6. Florida. 1 inch. p. 111. 



8. Haminoea elegans Gray. 12 mm. p. 141. 



9. Bulla solida Gmelin. West Florida. 35 mm. p. 140. 



10. Bulla occidentalis C. B. Adams, Lake Worth, Florida. 1 inch. p. 140. 



11. Cancellaria reticulata Linn6. Florida. 2 inches. p. 138, 



12. Cylichna alba Brown. 5 mm. p, 140. 



13. Hydatina physis Linn^. Delray, Florida, 1 inch, p, 141. 



14. Acteocina candei Orbigny, 2,5 mm, p. 139. 



15a, 15b. Tethys wilcoxi Heilprin. Sanibel, Florida. 7,5 inches, p. 142. 



16. Ringicula nitida Verrill. 4.2 mm. p. 142. 



17. Bulla striata Bruguiere. Yamato, Florida. 1 inch. p. 140, 

 18a, 18b. Sinum martiniana Philippi. Lake Worth, Florida. 18 nim. p. 93. 



19. Cylichnella bidentata Orbigny. Sanibel, Florida. 4 mm. p. 140. 



20. Lora incisula Verrill. Maine. 6.5 mm, p, 136. 



21a, 21b, Acteocina bullata Kiener, West Indies, 11 mm. p. 133. 



22. Haminoea antillarum Orbigny. 5 mm. p. 141. 



23. Atys carlbaea Orbigny. Boynton, Florida. 8 mm. p. 140. 



