116 MOLI.rSCA FROM CLEVELAND BAY. 



Class GASTEROPODA. 



Order IVIonotocardia. 



Family NATICID^. 

 Natica gualtertana Petit. 

 PoLixiCES coxicus Lamk. 



,, DIDYMA Bolt. 



s. aulacoglossa Pils. 

 ,, Nux-CASTANEA Mart. 



„ PLUMBEUS Lamk. 



Family CYMATIID.E. 



Bursa rana L. 



Family TONXID.E. 

 ToNNA cuMiNGii Reeve. 



Family CYPR.^ID.E. 

 Cypr^a subviridis Rre. 

 Trivia oryza Lamk. 



Family 0LIV1D.E. 

 Oliva annulata Gmelin. 

 FUNEBRALis Lamk. 

 ., GUTTULA Lamk. 



Family ARCULARIID^. 



Arctlaria thersites Brug. 



