PLATE 53 



1. 



2. 



3. 



4. 



5. 



6. 



7. 



8. 



9. 

 10. 

 11, 

 12. 



la. 



14. 



15a, 15b. 



16. 



17. 



18a, 18b. 



19. 



20. 



21a, 21b. 



22. 



23. 



VolvTila oxytata Bush. Lake Worth, Florida. 3.5 mm. p. 139. 

 Ulcromelo undata Brvigulere. Deerfleld, Florida. 14 mm. p. 141. 

 Acteon punctostriatus C. B. Adams. Sanlbel, Florida. 5 mm. p. 138. 

 Haminoea antillarum guadalupensis Sowerby. Sanibel, Florida. 18 mm. 



141. 



Phillne sagra Orbigny 

 Atys sharpi Vanatta. 

 Morum oniscus Linn6. 

 Haminoea elegans Gray 

 Bulla solida Gmelin. 

 Bulla occldentalis C. 

 Cancellaria reticulata Linn6 

 Cylichna alba Brown. 5 mm. 



Lake Worth, Florida. 4 mm. 

 Boynton, Florida. 7.5 mm. p. 

 Florida. 1 inch. p. 111. 



12 mm. p. 141. 

 West Florida. 35 mm. p. 140. 

 B. Adams. Lake Worth, Florida 

 Florida. 2 inches, 

 p. 140. 



p. 142. 

 139. 



1 inch. 

 138. 



140. 



7.5 



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



Acteocina candei Orbigny. 8.5 mm. p. 139. 



Tethys wilcoxi Heilprin. 



Ringicula nitida Verrill. 



Bulla striata Bruguiere. 



Sinum martiniana Philippl 



Cylichnella bidentata Orbigny. 



Lora incisula Verrill. Maine. 



Sanibel, Florida. 

 4.2 mm. p. 142. 

 Yamato, Florida, 1 inc 

 Lake Worth, Florida. 

 Sanibel, Florida. 

 6.5 mm. p. 136. 



Acteocina bullata Kiener. West Indies. 11 mm. p. 139. 



Haminoea antillarum Orbigny. 5 mm. p. 141. 



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



