396 Transactions. 



Euthria lineata, Martyn. 



lineata pertinax, Von Martens. 



vittata, Quoy and Gaimard. 



antarctica, Reeve. 



littorinoides, Reeve. 



striata, Hut ton. 

 All occur under stones between tide-marks ; some of local 

 distribution. 



Fam. Muricid^;. 



Trophon ambiguus, Philippi. 



Common in shallow water in Purau Bay; very rarely found 

 otherwise. 



Kalydon duodecimus, Gray. 



plebeius, Hutton. 



paivce, Crosse. 



inferus, Hutton. 



pusillus, Suter. 

 Under stones in rock-pools ; under dirty stones oeiuw low- 

 tide mark : all of local distribution. 



Fam. Purpurid^e. 



Thais haustrum, Martyn. 

 Common on rocky shores. 



Thais striata, Martyn. 



striata squatnata, Hutton. 

 Common under stones near low-water mark. 



Thais scobina albomarginata, Deshayes. 

 scobina rutila, Suter. 

 Common on rooks about high-tide mark; rutila very Local. 



Fam. COLUMBELLIDiE. 



Pyrene choava, Reeve. 



paxillus, Murdoch. 

 Live shells not uncommon under dirty stones. 



Fam. VOLUTID.E. 



Scaphella arabica, Martyn. 



arabica elongata, Swainson. 

 Live shells in shallow water ; dead shells on sandy beaches. 



Fam. Olivid.*;. 



AnciUa australis, Sowerby. 



Specimens in Canterbury Museum from Lyttelton. 



