127 
Aperture subvertical, ovate, angled above, produced below into a 
moderately long, oblique and slightly recurved, widely open canal. 
Outer lip thin and sharp, convex, crenulated by the spiral sculpture, 
smooth inside. Columella vertical, straight, twisted and narrowed 
below; inner lip thin and narrow, extending over the: excavated 
parietal wall, drawn out to a narrow ridge towards the inner margin 
of the canal. Operculum unknown. 
Diam., 3-5 mm. ; height, 7 mm. 
Type in the Canterbury Museum, Christchurch. 
Remarks.—This species is nearly allied to 7. curtus Murdoch, 
but it is larger, has the whorls not shouldered, no colour-bands, and 
the strong spiral on the neck of the canal is also wanting ; the proto- 
conch has convex, not carinated whorls. 
Trophon corticatus Hutton. 
Fusus corticatus Hutt., Cat. Mar. Moll. 1873, p. 9. 
Trophon duodecimus Gray, Hutton, Plioc. Moll. N.Z., 1893, p. 39, 
pl. vi, fig. 7 (not of Gray). 
Station 26 or 30. 
Trophon crispulatus Suter. 
Trophon (Trophonopsis) crispulatus Sut., Proc. Mal. Soc., vin, 1908, 
p. 178, pl. vu, fig. 2. 
Station 4; Dredge Station A. 
Trophon plebeius Hutton. 
Fusus plebeius Hutt., Cat. Mar. Moll., 1873, p. 9. 
Trophon plebevus Hutt., Plioc. Moll. N.Z., 1893, p. 39, pl. vi, fig. 6. 
Station 20. 
Family THAISIDA. 
Tuats, Bolten, 1798. 
Thais scobina albomarginata Deshayes. 
Purpura albomarginata Desh., Rev. Zool. Soc. Cuv., 1839, p. 360, 
P. scobina albomarginata Desh., Man. Conch. (1), 11, 1880, p. 170, pl. 51, 
figs. 121-124. 
Chatham Islands. 
Family CANCELLARIIDA. 
ADMETE, Kroyer, 1842. 
Admete trailli Hutton. 
Cancellaria trailli Hutt., Cat. Mar. Moll., 1873, p. 26; Plhoc. Moll. 
N.Z., 1893, p. 58, pl. vu, fig. 52. 
Dredge Station C. 
5* Trawling. 
