Oliver. — Mollueca of the Kermadec Islands. 535 



Arcularia gaudiosus (Hinds). 



Nassa gaudiosa Hinds, Voy. " Sulphur," 36, 1844. 

 Recorded, Suter, Trans. N.Z. Inst., 38, 331, 1906 {Nassa zonalis). 

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



Island. 



Fossil. — In coarse gravel cemented bv calcite, Titi Knob, Sunday Island. 

 (Nassau?. Oliver, Trans. N.Z. Inst., 43,530, 1911.) 



Distribution. — Pacific Ocean, Malaya. 



Arcularia scalaris (A. Adams). 



Nassa scalaria A. Adams, Pro. Zool. Soc, 1851, 108, 1852. 

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

 Habitat. — A few dead and broken shells found on the beaches at Sunday 

 Island. 



Distribution. — Philippines. 



Murex zelandicus Quoy and Gaimard. 



Murex zelandicus Q. & G., Voy. ' l Astrolabe," ii, 529, 1833. 

 Recorded, Watson, " Challenger " Rep., xv, pt. 42, 157, 1886. 

 Habitat. — Dredged in 1,100 m. on hard ground north of Sunday Island 

 (' : Challenger " Expedition). 



Distribution. — New Zealand, Tonga tabu. 



Hexaplex puniceus n. sp. Fig. 31. 



Description of Type Specimen. — Shell rhomboidal, the spire about half 

 the length of the shell. Aperture ovate-elliptical. Canal less than the 

 length of the aperture, straight, slightly deflected to the left and its anterior 

 end upturned. Whorls 4J, suture deep. Outer lip formed of the last axial 

 ridge, broad, with 4 transverse ridges. A slight umbilical fissure between 

 the inner lip, and a short false canal opposite the anterior end of the aper- 

 ture. Sculpture: Protoconch of 1 whorl, smooth. Spire-whorls with 2 high 

 spiral keels, crossed by prominent longitudinal ridges, forming nodules at 

 the intersections. Body-whorl with 9 high axial ridges (the last forming 

 the outer lip), and crossed by 4 spiral ridges, forming nodules at the inter- 

 sections. The two upper spiral ridges on the shoulder are higher than the 

 two lower. A fifth spiral ridge on the canal above. Colour pink. 



Height, 4*6 mm. Diameter, 2-6 mm. 



Habitat. — A few dead and broken shells dredged in 10 m. to 30 m. off 

 Sunday Island. 



Trophon subtropicalis Iredale. 



Trophon subtropicalis Iredale. Pro. Mai. Soc, x, 227, 1912. 

 Recorded, Iredale, I.e. 



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

 10 m. to 30 m. off Sunday Island. 



Neothais succincta (Martyn). 



Buccinum succinctum Martyn, Univ. Conch., ii, fig. 45, 1784. 

 Recorded, Iredale, Pro. Mai. Soc, ix, 71, 1910 (Thais)': 

 Habitat. — Living specimens taken at Sunday Island by R. S. Bell. 

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

 mania, Australia. 



