128 



Pyrene semiconvexa, Lamarck. 



Buccinum semiconvexum, Lamarck, Hist. Nat. Anim. sans; 

 Vert., 1822, vol. vii., p. 272, no fig., locality unknown; Sowerby, 

 Thes. Conch., vol. i., 1847, p. 127, ep. 45, pi. xxxviii., figs. 10& 

 and 104, "Port Lincoln, Australia." 



Var. C. strigata, Reeve, Conch. Icon., 1859, vol. xi., pi. xxv., 

 fig. 154, locality unknown. 



Var. rosacea, Reeve, Conch. Icon., 1859, vol. xr., pi. xxix.^ 

 fig. 183, locality unknown. 



Var. Yorkensis, Crosse, Jour, de Conch., 1865, p. 55, pi. ii.,. 

 fig. 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 C. dictua, Tenison- Woods. 



Pyrene austrina, Gaskoin. 



Columbella austrina, Gaskoin, Proc. Zool. Soc, London, 1851,. 

 p. 9. Type locality — Australia. Reeve, Conch. Icon., vol. xi., 

 1858, pi. xix., fig. '100. Australia; Trvon, Man. Conch., vol. v.,. 

 1883, p. 126, pi. 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 the Eastern and Western Australian shores? 



Pyrene menkeana, Reeve. 



Buccinum acuminatum, Menke (non Col. acuminata. Nut- 

 tall), Moll. Nov. Holl., 1843, p. 20, No. 87. 



Columbella menkeana, Reeve, Conch. Icon., 1858, vol. xi., pi. 

 xiv., figs. 69a and 6. Type locality — Australia. 



Columbella (Mitrella), Angas, Proc. Zool. Soc, London, 1865,. 

 p. 166, "Gulf St. Vincent"; Trvon, Man. Conch., 1883, vol. v., 



