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Show 932 MR. G. F. ANGAS ON AUSTRALIAN MOLLUSCA. [NOV. 28, Subfam. AXINIINJE. 122. AXINIA HOLOSERICA. Pectunculus holosericus, Reeve, P. Z. S. 1843 ; Conch. Icon. pl. 4. f. 18. This species is covered with an olive epidermis of a peculiar close velvety softness. Dredged at Watson's Bay and inside the South Reef, &c. Length 2 inches. 123. AXINIA GRAYANA. Pectunculus grayanus, Dunker, P. Z. S. 1856, p. 357. Somewhat resembling the European A. glycimeris in character, but more globose, with the valves superficially longitudinally striated. Newcastle, Port Stephen, and cast ashore on the sands at the mouth of the Manning River. Length 1 inch 9 lines. 124. AXINIA (PECTUNCULUS) TENUICOSTATUS. Pectunculus tenuicostatus, Reeve, P. Z. S. 1843; Conch. Icon. Pectunculus, pl. 6. f. 35. The valves of this species are covered with thread-like ribs, the interstices of which are finely grooved, the roots of epidermis springing from them in rows. I have only hitherto met with young shells of this species in Port Jackson, my adult specimens being from Moreton Bay. Dredged off the " Sow and Pigs " reef. Length of adult examples 1 inch 4 lines. Fam. NucuLiDiE. 125. NUCULA STRANGEI. Nucula strangei, A. Ad. Thes. Conch, pl. 229. f. 125. A very oblique species, of a pale olive-green colour, smooth and shining. Dredged in Port Jackson and Port Stephen. Length 5 lines. 126. *NUCULA CONSOBRINA. Nucula consobrina, A. Ad. & Angas, P. Z. S. 1863, p. 427. sp.11. Less oblique than the preceding, of a dull yellowish olive, with the valves more or less concentrically ridged and finely crenate. Dredged in Parramatta River and Port Stephen. Length 3| lines. Fam. LEDID^E. 127. LEDA DOHRNI. Leda dohrni, Hanley. A pretty little horn-coloured species, with the valves nearly smooth anteriorly, and ridged, keeled, and birostrate posteriorly. Dredged on the " Sow and Pigs" bank. Length 3 lines. |