92 BULI.ETIN 9 384 



Explanation of Plate 9. 



(15) 



Page. 



Fig. I. Venericardia planicosta Lam 54, 246 



A large right valve, nearly life size from 

 Bell's landing ; showing nasute posterior. 



Fig. 2 . V. planicosta Lam " " 



A smaller, younger specimen of this variety 

 from Bell's landing. 



Fig. 3. V. planicosta L,am " " 



Young of the variety shown by fig. 5, pi. 10. 

 Half-toned by the Albany Engraving Co. 



