CLASSIFIED LIST OF THE SPECIES. 263 



Family ANATINID^— Continued. 



Genus Periplomya Conrad, 



P. elliptica Conrad L. 



P. truncata Whitfield - . Z7. 



Genus Cercomya Agassiz, 



C. peculiaris Conrad L. 



Family CORBULID^. 



Genus CoRBULA Briig. 



C. crassiplica Gdbb L. 



C. Foulki Lea L. 



C. subcompressa GaW L 



C. (Ne^era) nasutoides Whitfield - E. 



Genus Ne^ra Gray. 



N. sequivalvis Whitfield E. 



Family SAXICAVID^. 



Genus Panopea Menard, 



P. elliptica Whitfield U. 



P. decisa Conrad - - - - ^• 



Family SOLENID^. 



Genus SoLYMA Conrad. 



S. lineolata Conrad L. 



Genus Leptosolen Conrad, 



L. biplicata Conrad L, 



Genus Legumen Conrad. 



L. appressum Conrad .L. 



L. planulatum Conrad L. 



Genus Siliqua Muhlfeld. 



S. cretacea Gahb - .L. 



: Family PHOLADID^. 



Genus Pholas Linnceus. 



P. cithara Morton L. 



P. ? lata Whitfield L. 



Genus Martesia Leach, 



M. (Pholas) cretacea Gahh L 



Genus Parapholas Conrad, 



P. Kneiskerni Whitfield E. 



