522 Transactions. 



Assiminea nitida (Pease). 



Hydrocena nitida Pease, Pro. Zool. Soc, 1864, 674, 1865. 

 Recorded, Iredale, Pro. Mai. Soc., x, 370, 1913 (Barleeia chrysomela). 



Habitat. — Living on rocks wetted by fresh water near the coast, Sunday 

 Island and Davrell Islet. (Dead shells occasionally dredged off the shore.) 



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

 nesia. 



Royella sinon (Bayle). 



Cerithium sinon Bayle, Journ. de Conch., xxviii, 243, 1880. 

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



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

 Distribution. — Norfolk Island, Lifu, Bohol, Henderson Island (East 

 Pacific). 



Cerithium bavayi Vignal. 



Cerithium, bavayi Vignal. Journ. Conch., xlix, 304, 1901. 



Habitat. — A few dead'shells washed up on the beaches, Sunday Island. 

 Distribution. — Loyalty Islands. 



Joculator pinea (Hedley). 



Cerithiopsis pinea Hedley, Pro. Linn. Soc. N.S.W., 34, 440, 1909. 



Habitat. — A few dead shells dredged off Sunday Island on gravelly 

 bottom in 10 m. to 30 m. 

 Distribution. — Queensland. 



Joculator aelomitres (Melvill and Standen). 



Bittium aelomitres Melvill and Standen, Journ. Conch., viii, 298, 

 1896. 



Habitat. — Dead shells dredged in 10 m. to 30 m. off Sunday Island. 

 Distribution. — Lifu. 



Sundaya n. gen. 



Shell pupoid, apex obtuse, sides convex. Protoconch minute, of 1 whorl. 

 Body-whorl contracting anteriorly, canal nearly straight, sculptured with 

 nodulous spiral ribs. 



Type. — S. exquisita Oliver. 



Sundaya exquisita n. sp. Fig. 17. 



Description oj Type Specimen. — Shell pupoid, apex obtuse, body-whorl 

 more than half the length of the shell. Whorls 4, flattened, suture im- 

 pressed. Aperture rhomboid, angled behind, notched in front. Canal 

 short. Outer lip thin, slightly expanded. Sculpture : Protoconch smooth. 

 First adult whorl with 2, remainder with 3, spiral nodulous ribs. The 

 nodules arranged regularly in longitudinal as well as spiral rows, about 

 15 longitudinal rows on the body- whorl. Base with 3 spiral ridges 2iot 

 nodulous. Colour : Reddish-brown, the protoconch and lip lighter. 



Height, 1 mm. Diameter, 0-5 mm. 



Habitat. — A few dead shells dredged in 10 m. to 30 m. on gravelly bottom 

 near Sunday Island. 



