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Show 200 MR. G. F. ANGAS ON AUSTRALIAN MOLLUSCA. [Feb. 14, 80. SCALA JUKESIANA. Scalaria jukesiana, Forbes, Appendix to Voy. of Rattlesnake, p. 383, t. 3. f. 7. A lanceolately turreted graceful little shell, with numerous threadlike varices, bearing some resemblance to S. clathratulus of the seas of Europe. Dredged in Port Jackson. Length 5 lines. 81. SCALA (OPALIA) AUSTRALIS. Scalaria australis, Lam. Anim. sans Vert.; Sow. Thes. Conch. pl. 35. f. 135. Shell opake white, many-whorled, and tapering to a sharp point; stoutly variced, those on the last whorl terminating in keel. Found under stones and in crevices of rocks at low tides outside Port Jackson Heads, at Manly Beach, Long Bay, and Wollongong. The animal emits a purple fluid. Length 1 inch 4 lines. Another species of Opalia (O. granulosa of Quoy) is found in South Australia. Fam. PYRAMIDELLID^E. 82. ^TURBONILLA NITIDA. Turbonilla nitida, Angas, P. Z. S. 1867, p. 112. An elegant shining species, closely and strongly longitudinally ribbed. Dredged in Watson's Bay. Length 5 lines. 83. #ODOSTOMIA LiEVlS. Odostomia Icevis, Angas, P. Z. S. 1867, p. 112. A rather thin milk-white shell, with a strong transverse fold on the columella. Dredged in Watson's Bay. Length 3\ lines. 84. *ODOSTOMIA LACTEA. Odostomia lactea, Angas, P. Z. S. 1867, p. 112. A slender white shining species, with the sutures channelled, and a very prominent slight oblique fold on the columella. Dredged at Watson's Bay. Length 2\ lines. 85. *ODOSTOMIA (PARTHENIA) PASCOEI. Odostomia pascoei, Angas, P. Z. S. 1867, p. 112. Whorls longitudinally plicate, with the last whorl ventricose and the outer lip arcuate. Dredged in Port Jackson. Length 4 lines. 86. ^ODOSTOMIA (PARTHENIA) KREFFTI. Odostomia kreffti, Angas, P. Z. S. 1867, p. 112. A smaller species than the preceding, with similar sculpture, the last whorl narrower, and the outer lip straight. Dredged in Port Jackson. Length 3 lines. |