BY C. HEDLEY. 751 



recurved. Umbilicus variable, usually pervious, surrounded by 

 a funicle running into the canal. Length, 32; breadth, 20 mm. 



i/rt6. — Sweers Island (type) anrl Mornington Island, Gulf of 

 Carpentaria (coll. self), Port Essington and Port Darwin (Alert), 

 Raffles Bay (Hombron and Jacquinot). 



Thais turbinoides Blainville. 



Purpura turbinoides Blainville, Nouv. Ann. Mus., i., 1832, 

 p.217; M, Kiener, Coq. Viv., p.ll8, P1.35, tig.82; P. thiarella 

 Quoy tt Gaimard (not Lamk.), Zool. Astrolabe, ii., 1833, p. 571, 

 P1.39, tigs. 4, 6; Murex iostoma Sowerby, Conch. Illustr., 1834, 

 p. 8, PI. vii., fig. 42; [not Murex iostoma A. Adams, Proc. Zool. 

 Soc, 1851 (1853), p. 267]; Murex decussatus Reeve, Conch. Icon., 

 Murex, 1845, PL xxxi., tig.153; (not Murex decussatus Gmelin, 

 Syst. Nat., xiii., 1791, p.3527); Purpura stellaris Hombron k 

 Jacquinot, iMoll. Astrol. and Zelee, 1853, PI. xxii., figs. 13, 14: Id., 

 op. cit., Rousseau, 1854, p. 88. 



This is another species which has been confused with T. 

 Jiscelluni. A specimen of this was collected at Lizard Island, 

 Queensland, by Dr. A. E. Finckh. 



SiPHONARIA VIRGULATA, Sp.nOV. 



(Plate Ixxxv., tigs.9G, 97, 98.) 



Siphonaria funiculata Angas, Proc. Zool. Soc, 1867, p. 232 

 [not »b'. /. Reeve, Conch. Icon., ix., 1856, PL ii., tig.6, nor S.f. 

 { = lirata Reeve), op. cit., PL vii., tig. 35]; Id., Henn tfe Brazier, 

 Proc. Linn. Soc. N. S. Wales, (2), ix., 1894, p.l79. 



Shell rather thin, almost symmetrical, suborbicular, apex sub- 

 central. Colour: interior with a central bluish callus, surrounded 

 by a broad dark chocolate zone fading externally to pale brown 

 with w4iite dashes on the margin; exterior with apex dark brown, 

 riblets white, their interstices irregularly chocolate. Sculpture : 

 about seventy radial riblets, which narrow and waver as they 

 ascend. Their size is irregular, about a third or fourth riblet 

 being larger than the rest, margin tinely denticulate. Siphonal 

 fold slight and shallow. Length, 21; breadth, 19; height, 9mm. 



Hab. — Terrigal, Sydney, and Twofold Bay; in the wash of the 

 suif on ocean-beaches (self). 



