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Show 114 MR. G. F. ANGAS ON NEW AUSTRALIAN SHELLS. [Jan. 24, outer lip thickened, white, a little sinuated posteriorly. Length 4 lines, breadth 11 line. Port Jackson, deep water (Coll. Angas). 20. RISSOINA TURRICULA, n. s. (Pl. XIII. fig. 20.) Shell elongately turreted, rather solid, whitish; whorls eight, slightly rounded, longitudinally strongly plicate, angulated at the sutures, the base of the last whorl furnished with a prominent spiral rib ; aperture ovate; outer lip thickened and strongly sinuate. Length 2\ lines, breadth \ line. Port Jackson, deep water (Coll. Angas). 21. RISSOINA SMITHI, n. s. (Pl. XIII. fig. 21.) Shell narrowly elongate, solid, whitish, sometimes banded with pale brown below the sutures; whorls seven, a little convex, longitudinally strongly and rather distantly plicate, the plicae curved above and nearly obsolete at the base of the last whorl, transversely very finely and closely striated; aperture semilunar, sometimes violet within ; outer lip white, thickened, and moderately sinuated behind. Length 3 lines, breadth 1 line. Port Jackson (Coll. Angas). 22. RISSOINA CINCTA, n. s. (Pl. XIII. fig. 22.) Shell small, narrowly elongate, rather solid, white, zoned with brown ; whorls seven, convex, longitudinally distantly plicate, plicae evanescent on the last whorl, transversely lirate throughout; aperture subovate ; outer lip a little thickened, and slightly sinuate behind. Length 2\ lines, breadth \ line. Port Jackson, deep water (Coll. Angas). 23. CAPULUS VIOLACEUS, n. s. (Pl. XIII. fig. 23.) Shell elevated, laterally compressed, recurved, oblong-ovate at the base, radiately striated ; apex free, inclined to the right; internally with a very narrow rib, rounded at the edge, situated in the cavity of the shell and extending on either side nearly to the middle of the aperture; interior violet. Length 8 lines, breadth 3 lines. (Coll. Angasi) A single example of this curious shell was obtained by myself adhering to the edge of a stone at low-water mark at Long Bay, outside Port Jackson Heads. 24. EUTROPIA (TRICOLIA) ROSEA, n. s. (Pl. XIII. fig. 24.) Shell minute, thin, shining, ovate, of a uniform deep rose-colour throughout; whorls four, somewhat flattened at the upper part, then convex ; columella white ; edge of the outer lip stained with a line of dark rose. Length 1 \ line, breadth 1 line. From shell-sand in Coodgee Bay, New South Wales (Coll. Angas). |