A ST ARTE. 



abbreviabi, Soirn-bf/ 



Arctica, Gray 



Banksii, Leach 



borealis, Chmnnitz 



castanea, Sa;/ 



compressa, Mbntofjii 



cornir/atn. Brown 



crassiilcTts, Brod. and Sowb. 



crassatella, Blainville 



crebricostata, Forbes 



crenata, Gray 



cyp? inoides, Duval 



I)anmonie!ii:is, Lamarck 



elliptic;!, Brovm 



fusca, I'oli 



intermedia, Sowerby 



Japonica, Jay ? 



lactea, Broderip 



lathhciila, Hanley 



Montayui, Dillwyn I. 



Mortoni, Adams II. 



muHkostata, Macgillivray I. 



oblonga, Sowerby II. 



ovata, Brown I. 



producta, Soicei-hy III. 



pulchella, Jonas I. 



qnadrans, Gould II. 



.SVo^/rrt, Turton I. 



seniilirata, Sotverby II. 



semisulcata, Leach 11. 



seinhidrata, Miilier I. 



gtriata, Gray I. 



subaeqnilatera, .S'oji'ow/ I. 



subtrigona, Soiverby III. 



sulcata, 'HWsou I. 



sulcata, Costa I. 



triangularis, Montagu 11. 



lindata, Gould U. 



