270 



BIBLIOGRAPHY OF 



P. of 

 repr. PL 



204 1 

 205 



205 

 205 



Fig. Name. Locality. 



Mytilus hamatus Sat/. Gulf of Mexico. 



M. str talus Barnes. 



On page 4 of cover — 



Si'/arctas nerspectivus ) _ 

 J ' , >= Cryptostoma. 



maculatus ) 



TJnio glebulus Say. Bayou Teche. 



Venericardia cribraria ,S 



at/. 



New Jersey. 



Part VI.— April, 1S34. 



