OCR Text |
Show 1867.] MR. G. F. ANGAS ON AUSTRALIAN MOLLUSCA. 187 This species, which is not uncommon in Wooloomooloo Bay and in several localities near Port Jackson Heads, adhering to rocks at very low tides, may be easily recognized by its short compressed fronds, ranging along the varices and the outer lip, so as to form a connected leaf-like frill. Length 2 inches. Subfam. FUSING. 7. C A N T H A R U S ( T R I T O N I D E A ) ASSIMILIS. Buccinum assimile, Reeve, Conch. Icon. (Buccinum) pl. 12. f. 90. Under stones at low water, Watson Bay. A pretty little species, transversely ridged, and clouded with purplish brown. Length 7 lines. 8. *CANTHARUS (TRITONIDEA) UNICOLOR. Tritonidea unicolor, Angas, Proc. Zool. Soc. 1867, p. 110. A pale fulvous shell, longitudinally ribbed, and transversely ridged throughout with raised strise. Under stones at very low spring tide at Camp Cove, Port Jackson. Length 6 lines. 9. *TROPHON HANLE*XI. Trophon hanleyi, Angas, Proc. Zool. Soc. 1867, p- 110. The whorls of this species are broadly ribbed, sharply nodulous in the middle, and encircled throughout with rough scabrous ridges. It is of a uniform brownish colour, with a white line surmounting the crown of the angular nodules. Under stones at low water. Length 1 inch 2 lines. 10. *TROPHON PAIV.E. Trophon paivce, Crosse, Journ. de Conch. 1864, p. 278, pl. 11. f. 7. A broadly ribbed species encircled with scabrous ridges, with the canal somewhat produced and recurved ; toothed on the inner edge of the outer lip, and deep purple or yellow within. Under stones, Port Jackson. Length 1 inch. This species occurs also along the shores of Yorke's Peninsula, South Australia. Fam. TRITONIID^E. 11. TRITONIUM AUSTRALE. Triton australis, Lam. Anim. sans Vert. ix. p. 625. Murex tritonium-austr ale, Chemn. M. nerei (pars), Dillwyn ; Reeve, Conch. Icon. Triton, pis. 4, 5. f. 12 a, 12b. This noble species is to be met with on the muddy edges of rocks and reefs laid bare at very low spring tides. Farm Cove, Vaucluse •»» Bay, and the vicinity of the Heads are its favourite localities. There are two varieties of this species, the one tinged with violet, the other with orange. Length from 4 to 5 inches. A specimen obtained in Middle Harbour measured upwards of 8 inches. |