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Show 172 MR. G. F. ANGAS ON NEW AUSTRALIAN SHELLS. [Mar. 6, TRUNCARIA AUSTRALIS. (Plate XXVI. fig. 5.) Shell elongately fusiform, moderately solid, pale brown, shining ; whorls 7\, the two apical ones thin and papillose, the rest somewhat distantly and flatly longitudinally plicate on the upper portion, the plicee crossed with fine impressed lines, the middle of the last whorl smooth with a few impressed lines near the base; sutures grooved ; aperture narrowly ovate, dilated below ; outer lip arcuate, slightly thickened within; columella somewhat flattened, covered with a smooth white callus, and abruptly truncate at the base. Length 3| lines, breadth 1 line. Hab. Dredged off " Sow and Pigs," Port Jackson (Brazier). OLIVELLA BRAZIERI, 11. sp. (Plate XXVI. fig. 6.) Shell elongately ovate, smooth, shining, pale flesh-colour, ornamented with several irregular distant chestnut-coloured flames descending from the sutures, and with zigzag lines and markings which become thicker and more distinct towards the centre of the last whorl, forming a sort of zone, below which is a narrow impressed pale band, the markings again appearing in a fainter form towards the base ; whorls 6 ; sutures excavated ; aperture longer than the spire; outer lip simple, nearly straight, truncate at the base; columella slightly twisted and plicate below, with a narrow keel extending round the base of the whorl. Long. 6, lat. 2\ lin. Hub. Newcastle beach, N e w South Wales. COLUMELLA (ANACHIS) SMITHI, n. sp. (Plate XXVI. fig. 7.) Shell elongately ovate, moderately solid, purplish olive, with a band of white dots just below the suture, and another encircling the middle of the last whorl; whorls 6, strongly and closely longitudinally ribbed, the ribs becoming evanescent towards the base of the lower whorl, which is transversely grooved ; aperture narrowly subquadrate ; canal short, everted and recurved. Long. If, lat. -f lin. Hab. Port Jackson ; under stones at low water. In sculpture this species much resembles C. atrata, Gould; but it is less than half the size, and of a purplish-olive colour, with white-dotted bands. I have named it after Mr. Edgar Smith, who so ably superintends the Conchological Department in the British Museum. MARGINELLA STRANGEI, n. sp. (Plate XXVI. fig. 8.) Shell elongately ovate, rather thin, smooth, shining, semitransparent, white, somewhat suffused with pale yellowish brown on the body-whorl, and with an opaque white band below the suture; whorls 4 ; spire small, obtuse, apex blunt; aperture narrow ; outer lip thickened and strongly variced, varices opaque white; columella 4-plaited. Long. If, lat. 1| lin. Hab. "Sow and Pigs" reef, Port Jackson (Brazier). |