| OCR Text |
Show 914 MR. G. F. ANGAS ON AUSTRALIAN MOLLUSCA. [NOV. 28, 12. ANATINA PROLONGATA. Anatina prolongata, Reeve, Conch. Icon. Anatina, pl. 4. f. 28. A thin narrow species, with the valves produced posteriorly and ridged throughout. Dredged in sandy mud near Spectacle Island, Parramatta River. Length 9 lines. 13. *ALICIA ANGUSTATA." Alicia angustata, Angas, antea, p. 908, Pl. XLIV. f. 1. In this genus the ossicle is large and triangular as in Lyonsia ; but tbe cartilage is not supported by projecting spoon-shaped processes, and is perpendicular to the umbones. The shells externally somewhat resemble periploma, and are thin, white, and abruptly truncate at the posterior side. Dredged inside South Head reef. Length 6T) lines. 14. *ALICIA ELEGANTULA. Alicia elegantula, Angas, antea, p. 908, Pl. XLIV. f. 2. More rounded than the preceding species, with the umbones more central. Dredged between Watson's Bay and the " Sow and Pigs " reef. Length 5| lines. 15. THRACIA ANATINOIDES. Thracia anatinoides, Reeve, Conch. Icon. Thracia, pl. 3. f. 12. * Roundly ovate, thin, and convex, shortly angled posteriorly, and broadly rounded in front. Dredged in Port Jackson. Length 1 inch. 16. THRACIA AUSTRALICA. Thracia australica, Reeve, Conch. Icon. Thracia, pl. 3. f. 13. A somewhat depressed species, with the aspect of a periploma. Dredged in Port Jackson. Length 9 lines. 17. *THRACIA MODESTA. Thracia modesta, Angas, antea, p. 908, Pl. XLIV. f. 3. A small ovate species, with the posterior side very obliquely truncate. Dredged off Ball's Head, Port Jackson, in 15 fathoms. Length 7 lines. 18. NEWERA (RHINOMYA) RUGATA. Rhinomya rugata, A. Ad. Ann. & Mag. Nat. Hist. 3rd ser. vol. xiii. p. 207. An elegant little shell, largely rostrate, and concentrically ridged throughout. Dredged at the " Sow and Pigs" reef. Length 3^ lines. The type specimen of this species was dredged by Mr. A. Adams at Tabu Sima, in Japan. 19. THEORA NITIDA. Theora nitida, Gould, 'Otia,' p. 162. A thin, hyaline shell, with the valves attenuate posteriorly ; the |
