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Show 216 MR. G. F. ANGAS ON AUSTRALIAN MOLLUSCA. [Feb. 14, border of white and brown round the lip, and by the exquisite cerulean- blue colour of the pearly interior. Port Jackson, deep water, rare. It is also found at Aldinga Bay, in St. Vincent's Gulf, South Australia. Length 1 inch. 187. ELENCHUS LEUCOSTIGMA. Trochus leucostigma, Menke, Moll. Nov. Holl. A smaller but handsomely variegated species, mottled with red, white, and olive. The interior of a pearly greenish-blue colour. Deep water, in Port Jackson. Length 8 lines. 188. BANKIVIA VARIANS. Bankivia varians, Beck. B. purpurascens, Beck. Dredged in Middle Harbour, on a sandy bottom at 3-4 fathoms. This species is abundant on all the shores of extra-tropical Australia. It varies in colour, from white to purple, rose, grey, amber, or black, and is either plain or banded with black or white bands, the coloured interstices being sometimes painted with longitudinal wavy lines. Length 7 lines. 189. *LEIOPYRGA PICTURATA. Leiopyrga picturata, H. & A. Ad. Ann. & Mag. Nat. Hist. Jan. 1863, p. 19. Dredged in Middle Harbour, Port Jackson. Leiopyrga has somewhat the aspect of an umbilicated Bankivia, with rounded whorls. It is variously marked and banded with irregular pink lines. Length 6 lines. This species also occurs in South Australia. 190. TROCHOCOCHLEA T^-NIATA. Trochus teeniatus, Quoy et Gaim. Voy. de l'Astrol. p. 249, pl. 63. f. 15-17. A fine species, common in Port Jackson, broadly painted with zigzag wavy longitudinal bands of a deep-purple or black colour, on a greenish-yellow ground. Length 1^- inch. 191. TROCHOCOCHLEA PORCATA. Labio porcata, A. Ad. P. Z. S. 1851, p. 179. The whorls are strongly carinated, and ornamented with narrow rose-coloured stripes longitudinally. It is equally common with the foregoing species. Length 11 lines. 192. TROCHOCOCHLEA MULTICARINATA. Trochas multicurinatus, Lam. Anim. sans Vert. t. 7. p. 36. no. 15 • Quoy, Voy. de l'Astrol. pl. 63. f. 26, 27. A bold species, strongly concentrically ribbed, and reticulately painted with flowing black lines on a greenish-grey ground. Jervis Bay, and on rocks outside Port Jackson Heads. Length 1 inch 3 lines. |