24 



Venus gallina, L. 



Venus gallina, v laminosa, Mont. 



Venus gallina, v triangularis, y^^. 



Venus gallina, v gibba,y^^ 



Venus gallina, v alba 



Genus II.— Tapes, Muhl. 

 'Tapes aureus, GmeL 



Tapes aureus, v quadrata, Jeff. 



Tapes aureus, v ovata, Jeff. 

 Tapes virgineus, L. 



Tapes virgineus, v sarniensis, Turt. 



Tapes virgineus, v elongata, Jeff. 

 Tapes pullastra, Mont. 



Tapes pullastra, v perforans, Mont. 



Tapes pullastra, v ovata, Jeff. 



Tapes pullastra, v oblonga, y^ 



Tapes pullastra, v plagia, Jeff. 

 Tapes decussatus, L. 



Tapes decussatus, v quadrangula, y^^. 

 Genus III. — Lucinopsis, ^ cr' ZT. 

 LuciNOPSis undata, Penn. 



Lucinopsis undata, v ventrosa, y^. 



Lucinopsis undata, v ^equalis, Jeff. 



Family XIV.— TELLINID/E, Latreilk. 



Genus I.— Gastrana, Schu. 

 Gastrana frag I lis, L. 



Genus II. — Tellina, L. 

 Tellina balaustina, L. 

 Tellina crassa, Pe7i7i. 



Tellina crassa, v albida, Jeff. 

 Tellina balthica, Z. 



Tellina balthica, v attenuata, Jeff. 



Tellina balthica, v minor, y^ 



Tellina balthica, v nivea, y^ 

 Tellina tenuis, Da Cos. 



