64 Bulletin 5 334 



Explanation of Plate VII. 



(36) 



Page. 



Fig. I. Turritella pleheia 125, 301. 



2. Natica interna " 



3. Buccinum porcinum 126, ^Q^. 



4. Buccinum aratum 127, 303* 



5. Fusus ^-costatus 



6. Calyptrcea grandis 130, 306. 



The type of the genus ''Dispotcea.'" 



