io6 Bulletin ii io6 



Explanation of Plate i. 

 (I) 



Pa^e. 



Fig. I. Dentalium niicrostria Heilp ■. 3 



2. Dentalium imiltanmdatuvi Aid 4 



3. Cadiihis abruptus Aid. and Mr 5 



4. ABcBon idoneiLs Con 5 



5. ^'Afi<zo7i'" cossmanni Aid 6 



6. Tornatellcea bella Con 6 



7 . Volvaria ( Volvariella ) alabamiensis Aid 7 



8. Tornatina leai Aid 7 



9. Scaphander alabamiensis Aid 7 



10. Scaphander ligniticus Aid 8 



11. Atys robtcstoides Aldi 8 



1 2 . Cylichna sylvcerupis , n. sp 8 



13. Cylichna aldrichi Lang 9 



"^14. Ringiciila butleriana v2iX . ligniiifera A\di 9 



15. Ri7igicula butleriana K\A : 10 



16. Philene alabamensis Aid 10 



17a. Umbrella sylvcsrupis, n. sp 10 



18. Pleurotoma mediavia, var 11 



19. PL mediavia vox . equiseta, n. var 11 



20. Pleurotoma mo7iiliata Heilp 11 



21. Pleurotoma denticzda, var 12 



22. Plezirotoma denticzda, var 12 



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II 



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