530 Transactions. 



Heliacus stramineus (Gmelin). 



Torinia straminea Gmelin, Syst. Nat., ed. xiii, 3575, 1791. 

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



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

 Distribution. — Australia, New Guinea, Philippines, India. 



Epitonium perplexum (Pease). 



Scalar ia perplexa Pease, Amer. Journ. Conch., iii, 228, 1867. 

 Recorded, Suter, Journ. Malac, vii, 54, 1899 (Scalaria australis). 



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

 Island. 



Distribution. — Norfolk Island, Indo-Pacific region. 



Pyramidella terebelloides (A. Adams). 



Obeliscvs terebelloides A. Adams in Sowb. Thes. Conch., ii, 808, 1855. 



Habitat. — Dead shells rarely dredged on gravelly bottom near Sunday 

 Island. 



Distribution. — Queensland, Funafuti, Hawaii. 



Herviera isidella (Melvill and Standen). 



Herviera isidella Melv. & Stand., Journ. Conch., ix. 186, 1898. 



Habitat. — Dredged near Sunday Island (Iredale). 

 Distribution. — Loyalty Islands. 



Turbonilla oceanica n. sp. Fig. 19. 



Description of Type Specimen. ■ — Shell subulate. Whorls 8, rounded, 

 shouldered above, suture deeply impressed. Protoconch heterostrophe, of 

 1 whorl. Aperture ovate-rhomboid, the inner margin somewhat angled, 

 the outer rounded. Outer lip thickened, inner lip thin, anteriorly raised 

 above and separated from the body- whorl. Sculpture : Protoconch smooth. 

 Shell with regular longitudinal ribs, there being about 18 on the body- 

 whorl, where they terminate below the periphery. Interstices equal or 

 slightly wider than the width of the ribs. Colour white, shining. 



Height, 3 mm. Diameter, 0-8 mm. 



Variations from Type.— Most of the specimens are about the same size 

 as the type. One, however, has 9| whorls, and measures 3-9 mm. in length. 



Habitat. — Dead shells dredged on gravelly bottom in 10 m. to 30 m. off 

 Sunday Island. 



Turbonilla sculpturata n. sp. Fig. 20. 



Description of Type Specimen. — Shell thin, subulate, but little tapered. 

 Whorls 8|, loosely coiled, convex, suture deep. Protoconch heterostrophe, 

 of 1 whorl. Aperture ovate-oblong, produced and rounded in front. Outer 

 lip thin. Inner lip straight, produced and expanded anteriorly. Sculp- 

 ture : Protoconch smooth. Shell with close, slightly oblique, narrow, longi- 

 tudinal ribs, about 25 on the body-whorl. The interstices 2 or 3 times the 

 width of the ribs. Ribs smooth, interstices with fine spiral striae. Base 

 spirally striate. Colour white, translucent. 



Height, 2T mm. Diameter, 0-5 mm. 



Habitat. — Dead shells dredged on gravelly bottom in 10 m. to 30 m. off 

 Sunday Island. 



