| OCR Text |
Show 1867.] MR. G. F. ANGAS ON AUSTRALIAN MOLLUSCA. 925 Parramatta River and Lane Cove. Length I inch. Both these species occur also at the Philippine Islands. Fam. CARDIID^E. 80. CARDIUM (PAPYRIDIUM) PAPYRACEUM. Cardium papyraceum, Chem. Conch. Cab, vi. p. 190, pl. 18. f. 184; Reeve, Conch. Icon. Cardium, pl. 2. f. 9. _ A thin whitish species, faintly mottled with flesh-colour, and tinged with deep purple at the umbones ; the valves are radiately impressedly striated, and minutely granulated anteriorly, thus distinguishing it from C. muticum, which the elder Sowerby has figured as a variety in his ' Conch. Illustr.' f. 55. Dredged in Middle Harbour. Length ll inch. 81. CARDIUM (PAPYRIDIUM) TENUICOSTATUM. Cardium tenuicostatum, Lam. Anim. sans Vert. vi. p. 372 ; Reeve, Conch. Icon. Cardium, pl. 10. f. 50. A thin, light, somewhat ventricose shell, radiately very numerously finely ribbed, the epidermis bristling along the summit of the ribs ; more or less waved with flesh-coloured painting, and purple at the umbones. Dredged in Port Jackson, Botany Bay, &c. Length 1^ inch. 82. CARDIUM PULCHELLUM. Cardium. pulchellum, Reeve, Coneh. Icon. Cardium, pl. 8. f. 42. C. striatulum juv., Sow. Conch. 111. f. 45. This beautiful little species is finely striated and armed with sharp tubercles posteriorly ; its colour is whitish, handsomely rayed with orange. C. striatulum, Sow., from Cook's Straits, N e w Zealand, is very similar in its sculpture, but it is a much larger shell, and wants the characteristic orange rays. Dredged inside Port-Jackson Heads in deep water. Length 7 lines. 83. CARDIUM AUSTRALIENSE. Cardium australiense, Reeve, P. Z. S. 1844 ; Conch. Icon. pl. 5. f. 24. A singular form of the genus, having much of the aspect of a Donax externally. Length 1 inch 6 lines. Deep water, Broken Bay, Port Stephen, and Moreton Bay. Fam. CHAMID^E. 84. C H A M A SPINOSA. Chama spinosa, Brod. Trans. Zool. Soc. i. p. 305, pl. 38. f. 8, 9. A pretty little species, concentrically frilled with rows of short, irregular, imbricate spines; white, tinged with brick-red. Found attached to rocks at low spring tides. Length 1 inch. |
