Jojur:As: StK-.-.Bejigai, V"o]:XXXVj ,Tt.I[. 



Trawajdij Shells, J?laie 777. 



Kg:l-3, Maxtesia £Htniriali;,"Vi7.Bl.eiila.rg'eilSdiaHls.I , ig. 7-10, ScaphuJa. delta; .'W'.Bl enlarged 2 diams. 

 ,, 4, Sphema perversa, -~W. El. adult, D? „ 11~13, S. pinna, Bens, D° 



„ 5, S, D° younger, D° ,, 14-15, S. celox, Bens, D°. 



