279 PROCEEDINGS OF THE MALACOLOGICAL SOCIETY. 
is here given. According to Fischer, Photinula has no jaw. The 
character of the radula and presence of a jaw induce me to class this 
species under Gibbula. 
Type in the British Museum. 
34, GIBBULA MICANS, D.sp. 
Shell minute, subperforate or imperforate, conical, iridescent, 
shining, light-yellow with radiate oblique broad streaks of dark-brown, 
the intervals with a few dots of light-brown; base tessellated with 
yellow and brown. Whorls 6, the first two minute, smooth, reddish- 
brown, the others finely spirally striate, about 15 striz on the 

Gibbula micans, n.sp- 
penultimate whorl; spire conic, scarcely convex, last whorl carinate. 
Aperture subquadrangular, oblique, outer and basal lip sharp, 
margined with a white band; interior lirate, iridescent; columella 
subvertical, slightly arched, subdentate in the middle. Umbilicus 
partly or completely covered by the columellar expansion. Base con- 
vex, umbilical tract shghtly impressed, white. Alt. 4, diam. 3-5 mm. 
HTab.—Resolution I. (A. Hamilton). 
Type in my collection. 
Genus MONILEA, Swainson, 1840. 
35. Monitea EGENA (Gould). 
Solarium egenum, Gould: Proc. Bost. Soc. Nat. Hist., vol. 11 (1849), 
p. 84; U.S. Explor. Exped., Moll. p. 196, fig. 226. 
Monilea Zealandica, Hutton: Cat. Mar. Moll., 1873, p. 40. 
Margarita Zelandica (Hutton): Sowerby, Conch. Icon., fig. 17. 
Torinia egena (Gould): Marshall in Tryon’s Man. Conch., ser. 1, vol. ix, 
p. 22, pl. vi, figs. 22, 23. 
Monilea egena (Gould): Hutton, Man. New Zealand Moll., p. 102; 
Proc. Linn. Soc. New South Wales, vol. ix, p. 365; 
Pilsbry, Man. Conch., ser. 1, vol. xi, p. 258, pl. xxxvii, 
fig. 13. 
Shell small, low, ovate-conic, umbilicated, ashy-white, pearly 
beneath. Whorls 6, each with four sharply compressed spiral ribs, 
