TABLE OF CONTENTS 



ORDER TELEODESMACEA (Continued) 



SUPERFAMILY SoLENACEA. p^ 



Family Solenid/e 949 



SUPERFAMILY TeLLINACEA. 



Family Donacid.e 961 



Family Psammobiid.i; 970 



Family Semelid^e 985 



Family Tellinid.-e 1002 



SUPERFAMILY VeNERACEA. 



Family Petricolid/e 1056 



Family Cooperellid^ 1061 



supereamily isocardiacea. 



Family Isocardiid^ 1064 



SUPERFAMILY CaRDIACEA. 



Family Cardiid^e 1069 



SUPERFAMILY LePTON AlEA. 



Family Galeommatid.e 1119 



Family Sportellid.e 1 125 



Family' LEPxoNiDyE • ii39 



Family Kelliellid^ 1 165 



superfamily lucinacea. 



Family Diplodontidj! • 1178 



Explanation of Plates . .' 1192 



Index 1205 



Addendum and Final Note — , 1218 



