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Show "» MR. G. F. ANGAS ON NEW AUSTRALIAN SHELLS. [Jail. 3, deeply impressed; aperture ovate; outer lip thin ; columellar plait rather prominent. Length 3 lines, breadth | line. Hab. Dredged off "Sow and Pigs," Port Jackson (Brazier). 12. CERITHIOPSIS CLATHRATA, n.sp. (Plate I. fig. 12.) Shell elongately acuminated, moderately thin, of a pale yellowish colour; whorls 12, encircled by three nearly equally distant rounded ribs, and decussated all over with close-set longitudinal, somewhat undulating raised strise; sutures deeply impressed ; base of last whorl finely radiately striated; nucleolar whorl sinistral; aperture subquadrate; outer lip thin ; columella arcuate, scarcely produced in front. Length 3 lines, breadth f line. Hab. Dredged near " Sow and Pigs" reef, Port Jackson (Brazier). 13. CERITHIOPSIS CROCEA, n. sp. (Plate I. fig. 13.) Shell elongately acuminated, rather thin, orange-coloured throughout ; whorls 14, encircled by rounded, close-set ribs, four to a whorl, nearly equal in size ; the interstices, which are very narrow, finely longitudinally striated ; last whorl flattened and smooth at the base ; nucleolar whorl sinistral; aperture subquadrate ; outer lip thin ; columella tortuous, strongly arched and produced in front. Length 5 lines, breadth 1| line. Hab. Dredged off Camp Cove, Port Jackson (Brazier). A species of a beautiful orange colour, with four ribs on each whorl, and the intercostal spaces very narrow and finely striated. 14. LEIOSTRACA LESBIA, n. sp. (Plate I. fig. 14.) Shell aculeate, rather thin, smooth, shining, whitish, obscurely somewhat opaquely banded next below the sutures ; whorls 12, nearly flat, suture distinct; spire sharply acuminate; aperture elongately ovate, slightly effuse in front; outer lip acute, simple ; columella callous and slightly twisted. Length 6 lines, breadth 1 line. Hab. Dredged at "Sow and Pigs," Port Jackson. 15. TEREBRA (HASTULA) BRAZIERI, n. sp. (Plate I. fio-. 15.) Shell elongately turreted, narrow, acute at the apex, shinim*-, pale straw-colour, irregularly painted with brownish orange lon°*itudinal flames, strongest and most numerous next the suture, and with an interrupted zone of suffused brown spots near the base of the last whorl, above which the painting ceases abruptly, leaving a pale band above the zone ; nucleolar whorls tinged with purplish brown ; whorls 13, flat, obsoletely distantly plicate, rather nodose next the sutures • aperture narrowly ovate; outer lip thin, with the margin slightly sinuous ; columella tortuous ; canal short, somewhat everted. Length 1 inch 2 lines, breadth 3 lines. Hab. Brisbane Water, New South Wales (Brazier). |
