216 MR. G. F. AN GAS ON AUSTRALIAN MOLUJSCA. [Feb. 14, 



border of white and brown round the lip, and by the exquisite ceru- 

 lean-blue colour of the pearly interior. Port Jackson, deep water, 

 rare. It is also found at Aldinga Bay, in St. Vincent's Gulf, South 

 Australia. Length 1 inch. 



187. Elenchus leucostigma. 



Trochus leucostigma, Menke, Moll. Nov. Holl. 



A smaller but handsomely variegated species, mottled with red, 

 white, and olive. The interior of a pearly greenish-blue colour. 

 Deep water, in Port Jackson. Length 8 hnes. 



188. Bankivia varians. 



BanJiivia variaris. Beck. 



B. purpurascens, Beck. 



Dredged in Middle Harbour, on a sandy bottom at .3-4 fathoms. 

 This species is abundant on all the shores of extra-tropical Australia. 

 It varies in colour, from white to purple, rose, grey, amber, or black, 

 and is either plain or banded with black or white bands, the coloured 

 interstices being sometimes painted with longitudinal wavy lines. 

 Length 7 Hnes. 



189. *Leiopyrga picturata. 



Leiopyrga picturata, H. & A. Ad. Ann. & Mag. Nat. Hist. Jan. 

 1863, p. 19. 



Dredged in Middle Harbour, Port Jackson. Leiopjjrga has some- 

 what the aspect of an umbilicated Bankivia, with rounded whorls. 

 It is variously marked and banded with irregular pink lines. Length 

 6 lines. This species also occurs in South Australia. 



190. Trochocochlea t^eniata. 



Trochus tcBTiiatus, Quoy et Gaim. Voy. del'Astrol. p. 249, pi. G3. 

 f. 15-17. 



A fine species, common in Port Jackson, broadly painted with zig- 

 zag wavy longitudinal bands of a deep-purple or black colour, on a 

 greenish-yellow ground. Length 1^ inch. 



191. Trochocochlea PORCATA. 



Labio porcata, A. Ad. P. Z. S. 1851, p. 179. 



The whorls are strongly carinated, and ornamented with narrow 

 rose-coloured stripes longituduially. It is equally common with the 

 foregoing species. Length 1 1 lines. 



192. Trochocochlea multicarinata. 



Trochus multicarinatus. Lam. Anim. sans Vert. t. 7. p. 36. no. 15; 

 Quoy, Voy. de I'Astrol. pi. 63. f. 26, 27. 



A bold species, strongly concentrically ribbed, and reticulately 

 painted with flowing black lines on a greenish-grey ground. Jervis 

 Bay, and on rocks outside Port Jackson Heads. Length 1 inch 

 3 lines. 



