| OCR Text |
Show 192 MR. G. F. ANGAS ON AUSTRALIAN MOLLUSCA. [Feb. 14, rows of large black tubercles on a greyish ground. Length 2 lines. 35. ADAMSIA TYPICA. Adamsia typica, Dunker, P. Z. S. 1856, p. 357. Amongst rocks at low water in Port Jackson. Length 1 inch 4 This' genus must be removed from the Nassince, where it has been placed as a subgenus of Gominella, it having a purpuroid operculum. One other species is known (A. adelaidce) from South Au-stralia. * Subfam. RAPANIN^E. 36. RAPANA (LATIAXIS) NODOSA. Latiaxis nodosa, A. Ad. P. Z. S. 1853, p. 98. An elegant species, squamately sculptured, and nearly white. The aperture sometimes buff, sometimes purple. Watson s Bay and Nelson's Bay. Length 10 lines. Fam. DACTYLI OM. 37. *OLIVELLA PARDALIS. Olivella pardalis, Ad. & Ang. P. Z. S. 1863, p. 442, pl. 37. f. 3. This elegant species was dredged at Watson's Bay, Port Jackson, in 5 fathoms. It may readily be distinguished by three rows of large brown spots encircling the whorls. Length 5 lines. 38. *OLIVELLA LEUCOZONA. Olivella leucozona, Ad. & Ang. P. Z. S. 1863, p. 422, pl. 37. f. 23. Dredged in Port Jackson, in 6 fathoms. This species must not be confounded with O. leucozonias, Gray, from Senegal: the latter is encircled with two narrow white zones; whilst the former has only one, and is moreover of a different style of painting. Length 7 lines. 39. *OLIVELLA NYMPHA. Olivella nympha, Ad. & Ang. P. Z. S. 1863, p. 422. A delicate semiopaque white slender species, with the aperture effuse anteriorly. Dredged at Port Stephen and in Port Jackson, in 5 fathoms. Length 7 lines. 40. AMALDA MARGINATA. Ancillaria marginata, Lam.; Sow. Species Conch, pt. 1. f. 40-43; Reeve, Conch. Icon. pl. 3. f. 8 a, b. Several specimens of this fine shell were dredged in Port Jackson, near the Heads, and on the •* Sow and Pigs " bank. In Tasmania it occurs of a larger size. The Port Jackson examples do not exceed 1 inch 3 lines in length, whilst those from Tasmania are 1 inch 10 lines. |
