OCR Text |
Show 196 MR. G. r. ANGAS ON AUSTRALIAN MOLLUSCA. [Feb. 14, Fam. MARGINELLIDLE. 57. MARGINELLA (GLABELLA) MUSCARIA. Marginella muscaria, Lam. Anim. sans Vert. x. p. 441 ; Reeve, Conch. Icon. pl. 8. f. 29 a, b. This species inhabits deep water in Port Jackson. It may be distinguished by its coating of flesh-coloured enamel, as well as by being the largest species of the genus occurring in that locality. It is found likewise in Tasmania. Length 7\ lines. 58. MARGINELLA ATTENUATA. Marginella attenuata, Reeve. A transparent, horny, attenuated species, dredged in Port Jackson. Length 4k lines. 59. MARGINELLA TRANSLUCIDA. Marginella translucida, Sow. in Coll. Cuming. A solid, white, shining species, with an elevated spire. Dredged at Port Stephen. Length 4 lines. 60. MARGINELLA TURBINATA. Marginella turbinata, Sow. Thes. Conch. Marginella, p. 385, pl. 75. f. 70, 71. Stouter than the preceding, with the spire shorter, and having in some specimens a crenulated plication round the upper part of the whorls. Dredged in Middle Harbour. Length 4 lines. 61. MARGINELLA SIMPLEX. Marginella simplex, Reeve, Conch. Icon. pl. 22. f. 115. Tinged with flesh-colour on the back ; spire very short. Dredged in Port Jackson. Length 3^ lines. 62. MARGINELLA (CRYPTOSPIRA) OVULUM. Marginella ovulum, Sow. Thes. Conch, p. 401, pl. 78. f. 188. White or flesh-colour. The last whorl is produced over the spire. Dredged in Port Jackson and Port Stephen. Length 4\ lines. Fam. CASSIDID/E. 63. CASSIS ACHATINA. Cassis achatina, Lam. Anim. sans Vert. x. p. 33 ; Reeve, Conch. Icon. Cassis, pl. 10. f. 28 a, b. This very beautifully variegated shell, though rare, is to be met with in several parts of Port Jackson, and also at Woollongon°* and Port Stephen. The Rev. Mr. Hannah collected some specimens at Algoa Bay, Cape of Good Hope-a remarkable circumstance, as the species is very local in Australia, being confined, as far as we are |