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Show 1867-] MR. G. F. ANGAS ON AUSTRALIAN MOLLUSCA. 193 41. AMALDA OBLONGA. Ancillaria oblonga, Sow. Spec. Conch, p. 7. f. 38, 39 ; Reeve, Conch. Icon. pl. 8. f. 24 a, b. A pretty species of a fawn-colour, banded at the sutures with an opake cream-coloured callosity, which is striped with chestnut; there is also a band of chestnut markings near the lower portion of the last whorl. Dredged near Port Jackson Heads. Length 10 lines. Fam. VOLUTID^E. 42. VOLUTA (SCAPHA) MAGNIFICA. Voluta magnifica, Chemn. Conch. Cab. xi. p. 8; Reeve, Conch. Icon. Voluta, pl. 1. f. 2. This noble Volute, almost the largest of the genus, seems to attain its maximum growth in Port Jackson. It is now a shell of rare occurrence, and is found half burying itself amongst weed and ooze on sandy and muddy flats beyond tide-mark. Rose Bay, Vaucluse Bay, and Middle Harbour are its favourite localities. It occurs in places along the coast, such as Woollongong, Botany Bay, and Brisbane Water-and extends northwards to Moreton Bay, where the specimens found are tuberculated. Length 12 inches. 43. *VOLUTA (AMORIA) ANGASI. Voluta angasi, Sowerby, Thes. Conch. Voluta, f. 99. sp. 73. This species (which was formerly confounded with V. undulata, Lam.), although plentiful in Tasmania, is rare in Port Jackson. It ranges northwards as far as Richmond River, where its place is supplied by V. zebra, Leach. The true V. undulata of Lamarck is from Port Lincoln and the Great Australian Bight. Specimens have been found at Middle Harbour and at Cabbage-tree Cove, outside Manly Beach. Length 3 inches. The Tasmanian ones are rather larger, and of a deeper colour. 44. AULICA MARMORATA. Voluta marmorata, Swainson, Exotic Conch, i. pl. 4. A rare and elegant shell, of rather light inflated structure, with the whorls sharply tubercled at the upper part and attenuated towards the base. It is of a pale fulvous orange-colour, sparingly painted with waved chestnut lines, descending from the sutures, with two bands formed by a blue clouded shading of the markings. Port tephen and Newcastle, New South Wales. Length 4| inches. Fam. MITRID/E. 45. MITRA NIGRA. Mitra nigra, Chemn. (not Quoy) Conch, x. p. 1C8. M. melaniana, Lam. M. carbonaria, Swains.; Reeve, Conch. Icon. Mitra, pl. 5. f. 33. PROC. ZOOL. Soc-1867, No. XIII. |