Omver. — Mollusca of the Kermadec Islands. 551 



nearly equal, pallial line indistinct. Sculpture : There are regularly spaced 

 low concentric riblets, variable in size, the larger ones being nearer the 

 margin, crossed by fine close radiating striae. Colour yellowish-white. 



Diameter — Dorso- ventral, 14 mm. ; ant. -post., 1*8 mm. 



Variations from Type. — Dead shells are white ; epidermis on live shells 

 thin, pale olive. 



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



Placunanomia zelandica (Gray). 



Anomia zelandica Gray in Dieff. N.Z., 260, 1843. 

 Recorded, Iredale, Pro. Mai. Soc, ix, 71, 1910 (P. ione). 



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

 Island. 



Distribution. — New Zealand, Australia. 



Area foliata Forskal. 



Area foliata Forskal, Descr. Anim., p. xxxi, 1775. 

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



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



Fossil. — In coarse volcanic gravel cemented by calcite, Titi Knob, 

 Sunday Island ; and in hard sandy tuffs of submarine origin, Deyrell Islet. 

 (A. decussata Oliver, Trans. N.Z. Inst., 43, 527.) 



Distribution. — Australia, Indo-Pacific region. 



Area reticulata Gmelin. 



Area reticulata Gmelin, Syst. Nat., ed. xiii, 3311, 1790. 

 Recorded, Iredale, Pro. Mai. Soc, ix, 71, 1910 (A. domingensis). 



Habitat. — Living specimens found attached to the underside of stones 

 in rock-pools, Sunday Island and Meyer Island. 



Distribution. — New Zealand, Tasmania, Australia, Japan, Atlantic coasts, 

 Funafuti, Lord Howe Island, Norfolk Island. 



Philobrya costata (Bernhard). 



Hochstetteria costata Bernhard, Bull. d. Nat. Mus v ii, 1896. 

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



Habitat. — Single valves common in dredgings in 10 m. to 30 m. off 

 Sunday Island. Colour varying from dark pink to white. 

 Distribution. — New Zealand. 



Philobrya meleagrina (Bernhard). 



Hochstetteria meleagrina Bernhard, Bull. d. Nat. Mus., ii, 1896. 



Habitat. — Extremely abundant living among the densely growing alga 

 Pterocladia capillacea on rocks about and below low- water mark, Sunday 

 Island. 



Distribution. — New Zealand. 



Mytilus canaliculus Martyn. 



Mytilus canaliculus Martyn, Univ. Conch., ii, fig. 78, 1784. 

 Recorded, Suter, Man. N.Z. Moll., 864, 1913. 



Distribution. — New Zealand, Tasmania. 



