400 Transactions. 



Ostrcea reniformis, Sowerby. 



Common on rocks about low-tide mark. 



Ostrcea purpurea, Hanley. 



Specimen in Canterbury Museum from Lyttelton. 



Fam. Pinnidjs. 

 Pinna zelandica, Gray. 



Live shells dredged in shallow water ; dead shells on 

 beaches. 



Fam. Carditid^. 



Cardita calyculata, Linne. 



Young specimens in seaweed - washings and roots of Dur- 

 villea, 



Verticipronus mytilus, Hedley. 

 Valves in sea weed- washings. 



Fam. CONDYLOCARDIID^E. 



Condylocardia crassicosta, Bernard. 



One live specimen from seaweed-washings. 



Fam. Lucinid^. 



Divaricella cumingi, Adams and Augas. 

 cumingi huttoni, Vanatta. 

 Dead shells very rarely met with on beaches. 



Fam. Ungulinid^. 



Diplodonta globularis, Lamarck. 

 zelandica, Gray. 

 striata, Hutton. 

 Have only met with dead shells so far. 



Fam. LeptonidjE. 



Kellia suborbicularis, Montagu. 

 Have only met with dead shells. 



Lasea miliaris, Philippi. 



Common in seaweed-washing. 



Fam. Cycladidte. 



Corneocyclas aucklandica, Suter. 



Common under stones in brackish water. 



Fam. TkllinidjE. 



Tellina alba, Quoy and Gaimard. 



Shells not uncommon on sandy beaches. 



