6 



CONTENTS OF VOL. III. 



Family ISOCARDIID^, . 

 Family CARDIID.E, . 

 Family VERTICORDIID^E, 

 Family CHAMIDJE, . 

 Family HIPPURITID.E, . 

 Family MEGALODONTIDiE, 

 Family TRIDACNID^, . 

 Family LUCINIDJE, , 

 Subfamily L UCININ^, 

 Subfamily GORBINuE, . 

 Family UNGULINIDiE, . 

 Family ERYCINIDJE, 

 Family SOLEMYID^, 

 Family CRASSATELLID^, 

 Family ASTARTIDiE, 

 Subfamily ASTABTIN^, 

 Subfamily CABDITIN^, 

 Onj)ER AS IBHONID A, 

 Suborder Homomyaria, . 

 Family CARDINIID.F], , 

 Family UNIONID^, 

 Family IRIDINID^, 

 Family MYCETOPODIDJE, 

 Family ^THERIID.E, 

 Family TRIGONIID^, . 

 Family NUCULID.E, 

 Family ARCIDiE, 

 Suborder Heteromyaria, 



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