166 MR. G. F. ANGAS ON THE MARINE [Jan. 24, 
This fine species ranges from Tasmania to Swan River. I possess 
a specimen from the beach at Holdfast Bay, in St. Vincent’s Gulf, 
that measures nearly 4 inches in length. 
57. MiTRA AUSTRALIS. 
Mitra australis, Swains. Zool. Illus. 1st series, pl. 18. 
M. melaleuca, Quoy. 
Station. Deep water. 
Hab. St. Vincent’s Gulf; Encounter Bay ; Guichen Bay. 
This species is of rare occurrence. It is found also in Tasmania. 
58. *Mirra ROSETTA. 
Mitra rosette, Angas, Proc. Zool. Soc. 1865, p.. 55. 
Station. Deep water. 
Hab. Encounter Bay. 
59. CoLUMBELLA (M1ITRELLA) SEMICONVEXA. 
Columbella semiconvexa, Sow. Thes. Conch. pl. 38. f. 103, 104. 
Station. Under stones at low water. 
Hab. Yorke’s Peninsula; Kangaroo Island; Lacépéde Bay. 
Of this very variable species, a fine large variety, of an orange-red 
colour, is found at Lacépéde Bay. 
60. CotuMBELLA (MITRELLA) AUSTRALIS. 
Columbella australis, Gaskoin, Proc. Zool. Soc. 1851, p. 5. 
Station. Under stones at low water. 
Hab. Yorke’s Peninsula. 
61. *CoLuMBELLA (MITRELLA) YORKENSIS. 
Columbella yorkensis, Crosse, Journ. de Conch. 1865, pl. 2. f. 6. 
Station. Under stones at low water. 
Hab. Yorke’s Peninsula. 
62. *ConumMBELLA (MiTRELLA) INFUMATA. 
epee infumata, Crosse, Journ. de Conch. 1863, p. 84, pl. 1. 
Sadia Under stones and amongst weed. 
Hab. Salt Creek, Yorke’s Peninsula. 
63. CoLuMBELLA (MITRELLA) MENKEANA. 
Columbella menkeana, Reeve, Conch. Icon. 
Station. Beyond tide-marks, amongst Zostera. 
Hab. St. Vincent’s Gulf. 
An elegant fusiform species. 
64. CotumBELLA (MITRELLA) LINCOLNENSIS. 
Columbella lincolnensis, Reeve, Conch. Icon. 
Station. Under stones at low water. 
Hab. Port Lincoln; Yorke’s Peninsula. 
