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Show 232 MR. G. F. ANGAS ON AUSTRALIAN MOLLUSCA. [Feb. 14, ing plaits on the inner lip, of which the uppermost one is the It is of a pale lilac colour, when denuded of its brown epidermis. Found at Shoalhaven and in Port Jackson. Length 4 lines. Fam. AMPHTBOLIDJE. 309. AMPULLARINA QUOYANA. Ampullarina quoyana, Desh. Banded and painted with zigzag brown lines. Found at Rushcut-ter's Bay, and in mangrove and samphire swamps at Cook's River and Shoalhaven, &c. Length 8 lines. 310. AMPULLARINA FRAGILIS. Ampullacera fragilis, Quoy et Gaim. Voy. de l'Astr. Banks of Paramatta River. In this species the whorls are rounder and more depressed ; the shell is thinner, and painted with one broad brown band, or several narrow thread-like lines. Length 5 lines. Fam. SlPHONARIIDiE. 311. SIPHONARIA SCABRA. Siphonaria scabra, Reeve, Conch. Icon. pl. 1. f. 2. Allied to S. diemenensis, Quoy, but with the purple linear painting running further up into the interior. Common in Port Jackson. Length 1 inch. 312. SIPHONARIA DENTICULATA. Siphonaria denticulata, Quoy et Gaim. Voy. de l'Astr. ii. p. 340, pl. 25. f. 19, 20. A fine species, distinguishable by the livid-brown colouring of the interior and the white spots round the inner margin. Common on rocks and jetty-piles in Port Jackson. Length 1 inch 4 lines. 313. -SIPHONARIA FUNICULATA. Siphonaria funiculata, Reeve, Conch. Icon. pl. 2. f. 6 a, b. A conical species, ribbed with white, denticulated and stained in the interior with brown. It varies considerably in colour. Found also in Tasmania. Length 9 lines. 314. SIPHONARIA BIFURCATA. Siphonaria bifurcata, Reeve, Conch. Icon. pl. 5. f. 22. Depressedly conical, with broad, distant ribs, the interstices of which are ridged and stained with black. Interior white, irregularly marked with brown round the edge. Length 1 inch. 315. SIPHONARIA COCHLEARIFORMIS. Siphonaria cochleariformis, Reeve, Conch. Icon. pl. 6. f. 28. A flattened pale-coloured species, with a broad projecting sinus. On jetty-piles, Watson's Bay. Length 1 inch. |