ABT. 10 NEW VICKSBURG MOLLUSKS FROM MEXICO COOKE 11 



Plate 2 

 Fig. 1. Natica alazana Cooke 



2. Polynices (Lunatia) lacrvmans Cooke 



3. Polynices (Euspira) byramensis Cooke 



4. AmpulUna vaughani Cooke 



5. Dentalium ovale Cooke 



6. Dentalium {Dentalium) alazanum Cooke 



7. Amussium alazanum Cooke 



8. Pecten ceibanus Cooke 



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