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Show 1867.] MR. G. F. ANGAS ON AUSTRALIAN MOLLUSCA. 221 Fam. PATELLIDJE. 222. PATELLA TRAMOSERICA. Patella tramoserica, Mart. Univ. Conch, i. pl. 16. This fine species is abundant everywhere, adhering to the rocks between tide-marks. It varies considerably in colour and markings, typical specimens being characterized by a golden-yellow tinge, more or less articulated with black and scarlet. Length 2 inches. 223. PATELLA COSTATA. Patella costata, Sowerby, Voy. of Beagle. A boldly ribbed conical shell, with a pectinated margin, edged with black. On rocks at Coodgee and Wollongong. Length 1\ inch. 221. PATELLA ACULEATA. Patella aculeata, Reeve, Conch. Icon. pl. 32. f. 90. Strongly nodulously ribbed, of a pale colour, both within and without. Occasionally met with on the rocks outside the Heads. Length 1^ inch. 225. PATELLA SQUAMIFERA. Patella squamifera, Reeve, Conch. Icon. pl. 32. f. 94 a, b. A small squamately ribbed depressed species, of rare occurrence. Rocks near Wollongong and Bondi Bay. Length 10 lines. 226. PATELLA PENTAGONA. Patella pentagona, Born, Mus. Test. Vindob. P. stellceformis, Reeve in Conch. Syst. ; Conch. Icon. pl. 20. f. 48 a, b, c. A single example of this species was found on the rocks near Port Jackson Heads. Length 8 lines. Fam. CHITONID/E. 227- L O P H Y R U S AUSTRALIS. Chiton australis, Sow. Mag. Nat. Hist. 1840; Conch. 111. f. 46. Common under stones in Port Jackson. Of a dark olive-colour. This is the largest species found in New South Wales. Length 3 inches. 228. LOPHYRUS CONCENTRICUS. Chiton concentricus, Reeve, Conch. Icon. pl. 16. f. 95. A very beautiful longitudinally ridged species, with the terminal valves concentrically grooved ; mottled with green and straw-colour, the second valve sometimes blood-colour or scarlet. Under stones at Watson's Bay, at very low tide. Length 1^ inch. |