64 THE VOYAGE OF H.M.S. CHALLENGER 



Monodonta rosea, Delessert, Eecueil, pi. xxxvii. fig. 3. 



Trochus australis, Quoy and Gaimard, "Astrolabe," vol. iii. p. 238, pi. lxiii. figs. 13, 14. 

 „ roseus, Philippi, Conch. Cab. (ed. Kiister), p. 134, sp. 156, pi. xxiii. fig. 7. 

 „ badius, Philippi, Conch. Cab. (ed. Kiister), p. 137, sp. 137, pi. xxiii. fig. 14. 

 „ Quoyi, Philippi, Conch. Cab. (ed. Kiister), p. 139, sp. 165, pi. xxiii. fig. 17. 

 Elenchus hadius, Adams, Monog. Trochid., Proc. Zool. Soc. Lond., 1851, p. 170, sp. 1. 



„ Angas, South Austr. Moll., Proc. Zool. Soc. Lond., 1865, p. 180, No. 158. 

 Angas, Port Jackson Moll., Proc. Zool. Soc. Lond., 1867, p. 215, No. 184. 

 Trochus badius, Fischer in Kiener's Iconog., p. 151, sp. 64, pi. l., figs. 2 and 3. 



May 1874. Port Jackson, Sydney. 6 to 7 fathoms. 



Habitat. — South Australia, Tasmania, and Port Jackson (Angas). 



22. Trochus (Bankivia) fasciatus (Menke). 



Phasianella fasciata, Menke, Syn. Meth. Moll., pp. 51, 141. 

 „ undatella, Menke, Syn. Meth. Moll., pp. 51, 141. 



„ fulminata, Menke, Syn. Meth. Moll., pp. 51, 141. 



Bankivia varians, Krauss, Siidafrik. Moll., p. 105, pi. vi. fig. 7. 



„ „ Philippi in Conch. Cab. (ed. Kiister), Monog., Phasianella and Bankivia, p. 33, 



pi. v. figs. 1-5. 

 purpurascens, A. Adams, Monog. Trochid., Proc. Zool. Soc. Lond., 1851, p. 171, sp. 1. 

 varians, Carpenter, Mazatlan Cat., p. 226, No. 285. 

 ,, Adams, Genera, vol. i. p. 425, pi. xlviii. fig. 6. 



Chenu, Man. Conch, vol. i. p. 360, figs. 3674, 3675. 

 purpurascens, Angas, South Austr. Moll., Proc. Zool. Soc. Loud., 1865, p. 181, No. 166. 

 varians, Angas, Port Jackson Moll., Proc. Zool. Soc. Lond., 1867, p. 216, No. 188. 



„ von Martens, Siidafrik. Moll., Jahrb. d. deutsch. Malak. Gesellsch., 1874, p. 130, 

 No. 105. 



April 17-18, 1874. Port Jackson, Sydney. 2 to 10 fathoms. 



Habitat. — All the shores of Extra-tropical Australia. 



The Messrs Adams (Gen. loc. cit.) speak of the position of Bankivia as doubtful, for this among 

 other reasons, that " the aperture is not pearly within ; " but this species has a nacrous layer of 

 shell, rather thin, but quite unmistakable, though covered both on the outside and within by a 

 relatively thick porcellanous layer. 



Krauss (who declines to guarantee it as a Cape species, as does v. Martens entirely) says that 

 Menke's three species are only colour varieties of this variable shell. Why he gives Beck the 

 nomination right of priority does not appear. Philippi says that Bankivia is a generic name 

 proposed but not published by Beck. 



Carpenter (loc. cit.) says that " one very young fresh specimen of this well-marked shell was 

 found on the back of a Chama " from Mazatlan ; but this must have found its way thither by mere 

 accident. 



