277 PROCEEDINGS OF THE MALACOLOGICAL SOCIETY. 
on the last whorl; spirally, closely striate. Whorls 34, convex, the 
last rounded at the periphery ; protoconch white, smooth. Aperture 
circular, thickly margined with a white callosity all round, columella 
subtruncate below. Umbilicus narrow but open, its margin slightly 
erenulate by radial folds. Base convex. Alt. 3°5, diam. 6mm. 
Specimens from Bounty Island measure 2°25 X dmm. 
Hab.—Stewart I.; Bounty I.; Campbell I. 
30. Gipputa antipopA (Hombron & Jacquinot). 
Margarita antipoda, Hombr. & Jacq.: Voy. Pole Sud, Zool. vol. v 
(1854), p. 58, pl. xiv, tigs. 26-8; Hutton, Man. New 
Zealand Moll., p. 103; Proc. Linn. Soc. New South 
Wales, vol. 1x, p. 368. 
Gibbula antipoda, Pilsbry: Man. Conch., ser. 1, vol. xi, p. 217, 
pl. xxxiul, figs. 102-4. 
Shell small, perforate, depressed-conoidal, yellowish-green, iridescent, 
with 4—5 green or blackish spiral bands above, and sometimes below, 
the periphery. Whorls 3, the last very large, faintly spirally striated 
and with rather strong growth-lines, periphery rounded. Aperture 
large, round, margined by a white callus. Umbilicus almost closed up 
by the columellar reflection. Alt. 8, diam. 8mm. A specimen from 
Antipodes Island measures 4°5 X 6mm. 
Hab.—Auckland Is. ; Antipodes I. 
31. GrpBuLA niTIpA, Adams & Angas. 
Gibbula nitida, Ad. & Ang.: Proc. Zool. Soc., 1864, p. 36; Hutton, 
Man. New Zealand Moll, p. 102; Proc. Linn. Soc. New 
South Wales, vol. ix, p. 364; Pilsbry, Man. Conch., ser. I, 
vol. xi, p. 217, pl. xxxvu, figs. 25-7. 
Chrysostoma inconsprcua, Hutton: Cat. Mar. Moll., 1873, p. 36. 
Margarita (?) ineonspreua, Hutton: Man. New Zealand Moll., p. 102 ; 
Trans. New Zealand Inst., vol. xv, p. 124, pl. xiv, fig. N 
(radula). 
Shell small, conical, narrowly umbilicate, olive-yellow or bluish- 
grey, marked with numerous, continuous, thread-like, white, spiral 
lines, generally broken up in tessellations; spire elevated, with convex 
outlines; last whorl obtusely angular around the periphery ; base with 
7-8 concentric lire. Aperture rounded-quadrate, outer lip finely 
crenulated, within brilliantly iridescent ; columella arcuate. Umbilicus 
funnel-shaped, yellowish within. Alt. 6°5, diam. 5°5mm.; alt. 7, 
diam. 6°5 mm. 
Specimens from Dunedin are bluish-black, shining more or less 
distinctly, spirally striate, umbilicus half covered by the columellar 
expansion. Alt. 8, diam. 7mm. 
Hab.—Kast and west coasts of both the North and South Islands ; 
on stones near low-water mark. 
