536 Transactions. 



Neothais chaidea (Duclos). 



Drupa chaidea, Duclos, Ann. Sci. Nat., 106, 1834. 

 Recorded, Iredale, Pro. Mai. Soc, ix, 71, 1910 {Thais). 



Habitat. — Living under stones near low-water mark, Coral Bay, Sunday 

 Island ; not common. 



Distribution. — Lord Howe Island, Norfolk Island, New Caledonia, Aus- 

 tralia. 



Neothais smithi (Brazier). 



Purpura smithi Brazier, Mem. Aust. Mus.. ii, pi. 4, 1889 (no descrip- 

 tion). 



Recorded, Suter, Trans. N.Z. Inst., 38, 331, 1906 (Purapura striata 

 bollonsii). 



Habitat. — Common living on rocks between tide-marks at Sunday Island. 

 Distribution. — Lord Howe Island, Norfolk Island, New Zealand. 



Neothais dealbata (Reeve). 



Ricinula dealbata Reeve, Conch. Icon., iii, sp. 26, 1846. 



Habitat. — Dead shells frequently washed up on the beaches, .Sunday 

 Island. 



Distribution. — Philippines. South Pacific Ocean. 



Columbella versicolor Sowerby. 



Columbella versicolor Sowb., Pro. Zool. Soc, 1832, 1 19, 1833. 

 Recorded, Iredale, Pro. Mai. Soc, ix, 71, 1910. 



Habitat. — Living under stones at low-water mark, Coral Bay, Sunday 

 Island ; not common. 



Distribution. — Lord Howe Island, Australia, Philippines, Japan, Indian 

 and Pacific Oceans. 



Columbella varians Sowerby. 



Columbella varians Sowb., Pro. Zool. Soc, 1832, 116, 1833. 



Habitat. — Dead shells collected at Sunday Island by R. S. Bell. 

 Distribution. — Lord Howe Island, Australia, New Guinea, New Caledonia 

 eastwards to Hawaii, Galapagos Islands, Philippines. 



Coralliophila neritoidea (Lamarck). 



Pyrula neritoidea Lam., Anim. s. Vert., vii, 146, 1822. 

 Recorded, Iredale, Pro. Mai. Soc, ix, 71, 1910. 



Habitat. — Dead shells found on the beaches, Sunday Island. 

 Distribution . — Pacific Ocean. 



Coralliophila nivea (A. Adams). 



Rhizochilus nivea A. Adams, Mazat. Cat., 484. 

 Recorded, Iredale, Pro. Mai. Soc, ix, 71, 1910. 



Habitat. — Taken alive at Sunday Island by W. S. Bell. 

 Fossil. — In hard sandy volcanic tuffs of submarine origin, Deyrell Islet. 

 (Purpura sp. Oliver, Trans. N.Z. Inst., 43, 527.) 

 Distribution. — America. 



