TROCHIDZ. 103 
M. antipoda, Hombron and Jacquinot, Voy. au Pole Sud., iv., p. 
58, pl. 14, f. 26-28. Shell small; spire of three whorls, the two first 
extremely small; iridescent above and below, with transverse bands of 
greenish on the upper part ; aperture large and round; left lip sharp, 
the mght flattened ; umbilicus just indicated, and almost stopped up 
by the right lip; operculum horny, regularly multi-spiral. (H. & J.) 
Length, °35 ; breadth, *35 inch. 
Auckland Islands. 
M. fulminata, Witton, CMM, p. 36. Whorls convex, smooth, 
umbilicus generally open; colour various, generally pink, with white 
radiating markings round the sulcus, but sometimes white zig-zag 
markings extend over the whole shell; sometimes olivaceous, with or 
without white markings. 
Wength, 3); breadthigas: 
Chatham Islands only. 
M. rosea, Hutton, CMM, p. 36. Depressed; whorls convex, 
smooth, faintly transversely striated ; pinkish-white, with three or four 
narrow pink spiral bands, and some purplish spots on the body whorl 
near the suture. 
Length, 1°5 ; breadth, -23. 
Stewart Island. Campbell Island. 
M. zealandica, Sowerby, in Reeves Conch. Ic., f. 17. Shell 
depressed, conical, spirally grooved, spotted with red; last whorl flat- 
tened beneath ; umbilicus broad, keeled ; aperture small; columella 
strong, slightly cuneate below (Sowerby.) 
Dunedin (F.W.H.) 
Sub-Family—Stomatelline. 
Foot often very thick, fleshy, developed posteriorly; operculum 
thin, horny, ovate, of few rapidly increasing whorls, often entirely 
wanting. Shell more or less ear-shaped, of few whorls ; aperture very 
wide. 
Genus, SCISSURELLA—D’Orbigny. 
Animal like Margarita ; tentacles long, pectinated, with the eyes at 
their base; foot with two pointed lappets and two long slender pec- 
tinated cirri on each side. Operculum thin, horny, sub-spiral. Shell 
minute, spiral, heliciform, depressed, widely umbilicated ; spire short ; 
aperture sub-orbicular, not pearly within ; outer lip with a narrow fissure 
or slit in the adult. . 
S. mantelli, Woodward, P.Z.S., 1859, p. 202, pl. 46. Like S. 
elegans, but rather larger, more depressed, more strongly ornamented, 
and a longer scissural band (Woodward.) 
New Zealand (W. Mantell,) among iron-sand. For a figure of S. 
elegans, see Chenu, f. 2717, p. 364. 
oO 
