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Show 1867.] MR. G. F. ANGAS ON AUSTRALIAN MOLLUSCA. 923 brown on a whitish ground. Dredged off Spectacle Island, Parra-matta River, Port Jackson, in sandy mud. Length 2 inches. Subfam. DOSINIINJE. 69. DOSINIA SCULPTA. Artemis sculpta, Hanley; Reeve, Conch. Icon. Artemis, i. 52. This species may readily be distinguished by its concentric striae being decussated at the sides by fine radiating lines. Dredged in Port Jackson. Length 1 inch. At Moreton Bay it attains a larger size. Some of the Port Jackson specimens are slightly tinged with rose-colour at the umbones. 70. DOSINIA SCABRIUSCULA. Artemis scabriuscula, Phil. Abbild. und Besch. Conch, ii. p. 230; Reeve, Conch. Icon. Artemis, pl. 3. f. 14. I have only met with young examples of this fine species in Port Jackson. Japan, Ceylon, and North Australia are cited as its habitats. Full-grown shells measure nearly 2 inches across. 71. *DoSINIA PUELLA. Dosinia puella, Angas, antea, p. 909, Pl. XLIV. f. 4. A small, solid, orbicular species, with the lunule superficial, and the valves finely concentrically ridged. Length 6 lines. Botany Bay. 72. CLEMENTIA MORETONENSIS. dementia moretonensis, Deshayes, P. Z. S. 1853, p. 18. A transversely oblong species of a dull white hue, with the surface of the valves rudely concentrically plicate. Length 1 inch 9 lines. Dredged at Mossman's Bay and off Spectacle Island. This species was first obtained hy the late F. Strange at Moreton Bay ; hence its name by Deshayes. Subfam. TAPESIN^E, 73. T A P E S INFLATA. Tapes inflata, Desh. P. Z. S. 1853, p. 8, pl. 19. f. 3. A fine ovately transverse species, irregularly concentrically sulcated, and smooth at the umbones ; of a rufous fawn-colour, more or less radiately mottled with grey, and shining. Dredged in mud, at the mouth of Lane Cove and Parramatta River. Length 2h inches. Allied to T. sulcosa, Phil., but much more ventricose and polished, with the sulcate ridges obsolete in the young shells. 74. TAPES UNDULATA, var. Venus undulata, Born. Tapes rimosa, Phil. Abbild. t. 7. f. 7. This is a curious variety of the well-known T. undulata from the |
