402 Transactions. 



Ckione stutchburyi, Gray. 



Abundant on muddy bottom. 



Chione costata, Quoy and Gaimard. 



Common ; lives in sand among stones between tide-marks. 



Chione crassa, Quoy and Gaimard. 

 Have only met with dead shells. 



Anaitis yatei, Gray 



Live shells washed up on sandy beaches after storms. 



Tapes intermedia, Quoy and Gaimard. 



Associated with Chione costata, Q. and G., but much rarer. 



Venerupis siliqua, Deshayes. 

 reflexa. Gray. 

 Sp. 

 Have only met with dead shells. 



Fam. Carotids. 

 Protocardia pulchella, Gray. 



Specimens in Canterbury Museum marked " Banks Penin- 

 sula.*' 



Fam. PsAMMOBncE. 

 Psammobia lineolata, Gray. 

 stangeri, Gray. 



Solenotellina siliqua, Reeve. 

 nitida, Gray. 

 incerta, Reeve. 

 May be met with on sandy beaches after heavy seas. 



Fam. Corbulid^:. 



Cotbula haastiana, Hutton. 



The type-locality is Lyttelton. 



Corbula zealandica, Quoy aud Gaimard. 

 Two valves from shell-sand. 



Fam. Saxicavid.*;. 

 Saxicava arctica, Linne. 



Common ; boring in sponges and under roots of DvrvUlea, sp. 



Panopcea zelandica, Quoy and Gaimard. 



Very rare ; dead shells washed up on sandy beaches. 



Fam. Pholadtd^:. 

 Barnea similis, Gray. 



Have only met with valves so far. 



