eee, ee as 
“Ryrene semiconvexa, Lamarck. £96 
Buccinum semiconverum, Lamarck, Hist. Nat. Anim. sans 
Vert., 1822, vol. vii., p. 272, no fig., locality unknown; Sowerby, 
Thes. Conch., vol. i., 1847, p. 127, sp. 45, pl. xxxviii., figs. 103 
and 104, ‘‘Port Lincoln, Australia.” 
Var. G. strigata, Réeve, Conch. Icon., 1859, vol. xi., pl. xxv., 
fig. 154, locality unknown. 
Var. rosacea, Reeve, Conch. Icon., 1859, vol. xi., pl. xxix., 
fig. 188, locality unknown. 
Var. Yorkensis, Crosse, Jour. de Conch., 1865, p. 55, pl. li.,. 
fiz. 6. Type locality—Yorke Peninsula. 
Dredged alive in 12 fathoms, and immature alive up to 
22 fathoms Backstairs Passage. 
There may be no markings, the shell being wholly white, 
or yellow, or rose-tinted, or whitish-purple, or dark-brown. 
There may be zig-zag axial red-brown markings throughout, 
or throughout the spire and just below the suture on the last 
whorl, the rest unicoloured. An infrasutural and a peripheral 
narrow articulated white-and-brown band may encircle it, the 
rest uniformly brown, or minutely white spotted. It may be 
dark-brown, almost uniformly punctuated with white; or 
dark-brown with a rather wide infrasutural white articulated 
band, and beyond this crowded spirally elongate narrow 
arrow-headed interrupted brown lines, forming a spiral reticu- 
late pattern, recalling @. yy Tenison- Woods. 
Pyrene austrina, Gaskoin. GOOD 
Columbella austrina, Gaskoin, Proc. Zool. Soc., London, 1851, 
p. 9. Type locality—Australia. Reeve, Conch. Icon., vol. xi., 
1858, pl. xix., fig. 100, Australia; Tryon, Man. Conch., vol. v., 
1883, p. 126, pl. xlix., fig. 99; Pritchard and Gatliff, Proc. Roy. 
Soc.. Victoria, 1899 (1898), vol. xi., p. 198, Victoria; Tate and 
May, Proc. Linn. Soc., New South Wales, 1901, vol. xxvi., p. 365, 
Tasmania. 
Dredged alive in 10 to 12 fathoms off Rapid Head, 1; 
and in 17 fathoms Investigator Strait, 2; occurring all along 
the coast; abundant and large on the shore of St. Francis 
Island: taken at Rottnest, Western Australia. Neither 
Angas nor Hedley records it for New South Wales, but it is 
found in Tasmania and Victoria. How far north does it 
extend along BD) Eastern and yon Australian shores? 
Pyrene menkeana, Reeve. 
Buccinum acuminatum, Menke (non Col. $9. ata, Nut- 
tall), Moll. Nov. Holl., 1843, p. 20, No. 87. 
Columbella menkeana, Reeve, Conch. Icon., 1858, vol. xi., pl. 
xiv., figs. 69a and b. Type locality—Australia. 
Coiumbella (Mitrella), Angas, Proc. Zool. Soc., London, 1865, 
p. 166, “Gulf St. Vincent’?; Tryon, Man. Conch., 1883, vol. v., 
