Iredale. — Marine Mollusca of Hanks Peninsula. 391 



Acmaa parviconoidea, Suter. 



Common on rocks near high-water mark. 



Acmcea parviconoidea leucoma, Suter 



Under stones in Heathcote Estuary : rare. 



Acmcea parviconoidea nigrostella, Suter. 



Dead shells in shell-sand ; rarely met with alive in sea- 

 weed-washings. 



Fam. Patellid^e. 

 Helcioniscus radians, Gmel. 



radians argentea, Q. and G. 

 radians decora, Philippi. 

 radians earlii, Reeve. 

 radia.ts affinis, Reeve. 

 radians olivacea, Hutton. 

 These all occur, the various subspecies b^ing of local dis- 

 tribution. 



Helcioniscus stelliferus, Gmelin. 



stelliferus phymatia, Suter. 

 Dead shells not uncommon. I have found live shells of the 

 former on rocks below low-water mark. 



Helcioniscus ornatus, Dillwyn. 



ornatus inconspicuus, Gray. 

 Abundant on rocks. 



Helcioniscus redimiculum, Reeve. 

 strigilis, Hombr. and Jacq. 

 Our rarest limpets, in my experience. 



Fam. PLEUROTOMARIIDyE. 



Scissurella rosea, Hedley. 



I have only as yet met with three dead shells — two in shell- 

 sand, one in seaweed-washings. 



Schismope brevis, Hedley. 



Live shells not uncommon in seaweed-washings. 



Fam. Haliotid^e. 

 Haliotis iris, Martyn. 



Common about low- water mark. 



Ha'iotis australis, Gmelin. 



Lives in deeper water than iris, consequently more rarely 

 met with 



Haliotis virginea, Gmel n. 



Have as yet only met with two specimens, in a deep rock- 

 pool. 



