Oliver. — Mollusca of the Kermadec Islands. 517 



: 



Angaria tyria (Reeve). 



Delphinula tyria Reeve, Pro. Zool. Soc, 1842, 102, 1843. 

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

 Habitat. — Living among rocks near low-water mark, Meyer Island ; 

 not common. 



Distribution. — Australia. 



Angaria distorta (Linne). 



Turbo distorta Linne, Syst. Nat., ed. x, p. 764, 1758. 



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

 Habitat. — One shell found on beach, Sunday Island (Iredale). 

 Distribution. — Indian Ocean. 



Philorene gen. now 



Shell subdiscoidal, the body-whorl descending, umbilicate ; spire de- 

 pressed ; whorls rounded ; aperture circular ; peristome continuous. 



Type. — P. texturata Oliver. 



Philorene texturata n. sp. Fig. 8. 



Description of Type Specimen. — Shell subdiscoidal, the body-whorl 

 slightly descending, umbilicate, whorls 3. Spire fiat, body-whorl circular 

 in section, its upper portion level with the periphery of the penultimate 

 whorl. Aperture circular, peristome continuous, slightly expanded above 

 and below on the inner side. Umbilicus deep. Suture deep. Sculpture : 

 Protoconch smooth. Regular transverse ridges on the base of the whorls 

 round the umbilicus. Interior of umbilicus with spiral ridges terminating 

 at the lower expansion of the inner lip. Over the whole surface of the shell 

 are close regular low spiral threads ornamented with transverse lenticular 

 beads. Colour white. 



Maximum diameter. 2 mm. : minimum diameter, 1-5 mm. 



Habitat. — Dead shells common in dredsings near Sunday Island. 



Brookula stibarochila Iredale. 



Broohula stibarochila Iredale, Pro. Mai. Soc, x, 220, 1912. 

 Recorded, Iredale, I.e. 



Specimens vary considerably in the number of ribs ; the type has them 

 wide apart. 



Habitat. — A few dead shells dredged near Sunday Island. 



Turbo argyrostomus Linne. 



Turbo argyrostomus Linne, Syst. Nat., ed. x, 764, 1758. 

 Recorded (fossil), Oliver, Trans. N.Z. Inst,, 43, 527, 1911. 



Fossil. — Plentiful in hard sandy tuffs of submarine origin on Dayrell 

 Islet, off Sunday Island. 



Distribution (Recent). — Australia, Pacific Ocean from New Caledonia 

 to Hawaii and the Paumotus, Indian Ocean. 



Leptothyra picta (Pease). 



Collonia picta Pease, Amer. Journ. Conch., iv, 91, 1868. 

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

 Habitat. — Dead shells abundant in dredgings on gravelly bottom near 

 Sunday Island, in 10 m. to 30 m. 



Distribution. — Society Islands, Paumotus. 



