with ajieview of the known Species. 295 



2. Alaba melanura, C. B. Ad. 

 Cingula melanura, C. B. Ad. ; Cing. prausta, Recluz. 

 Hah. West Indies. 



3. Alaba puncto-striata, Gould. 

 Otia Conch., p. 144. 

 Hah. Loo-Choo Islands. 



4. Alaba supralirata, Cpr. 

 Cat. Mazat. Moll. p. 366. 

 Hah. Mazatlan. 



5. Alaba violacea, Cpr. 

 Cat. Maz. Moll. p. 367. 

 Hah. Mazatlan. 



6. Alaba terebralis, Cpr. 

 Cat. Maz. Moll. p. 367. 

 Hah. Mazatlan. 



7. Alaba alabastrites, Cpr. 

 Cat. Maz. Moll. p. 368. 

 Hah. Mazatlan. 



8". Alaba conica, Cpr. 

 Cat. Maz. Moll. p. 368. 

 Hab. Mazatlan. 



9. Alaba scalata, Cpr. 

 Cat. Maz. Moll. p. 368. 

 Hab. Mazatlan. 



10. Alaba mutans, Cpr. 

 Cat. Maz. Moll. 369. 



Hab. Mazatlan. 



11. Alaba picta, A. Ad. 

 Diala picta, A. Ad., Annals, 1861. 



Hab. Takano-Sima. 



12. Alaba leucosticta, A. Ad. 

 Diala leucosticta, A. Ad., Annals, 1861. 

 Hab. Tabu-Sima. 



13. Alaba cornea, A. Ad. 

 Diala cornea, A. Ad., Annals, 1861. 

 Hab. Awa-Sima; Takano-Sima. 



