6 Scientific Proceedings, Royal Dublin Society. 



JElcua rapida. 



Pfeiffer, 1853, Zeitschr. f. Malak., p. 54; Cox, Monogr., 

 p. 19, pi. ra., figs. 9fl, 96; Pfeiffer, Monogr. Helic. viv., iii., 

 p. 633; Tryon, Man. Conch., i., p. 129, pi. xxvi., fig. 13; 

 Eeeve, Conch. Icon., sp. No. 1038 ; Hutton, Ann. Mag. Nat. 

 Hist., xiii., 1874, p. 89. 



Habitat. — Cape York. 



Nanina villaris. 



Pfeiffer, 1854, Proc. Zool. Soc. p. 146; Pfeiffer, Monogr. 

 Helic. viv., vol. iv., p. 47 ; Keeve, Conch. Icon., sp. No. 1375 ; 

 Tryon, Man. Conch., ii., p. 105, pi. xxxv., fig. 41 ; Brazier, 

 Proc. Linn. Soc. N. S. W., i., p. 118; iv., p. 392. 



Habitat. — Cape York, Albany Island, and Thursday Island. 



Nanina kreffti. 



Cox, 1864, Cat. Aust. Land Shells, p. 21 (= iV. villaris, Cox, 

 non. Pfr., Monogr., p. 2, pi. x., fig. 8); Pfeiffer, Monogr. Helic. 

 viv., vol. v., p. 243 ; Tryon, Man. Conch., ii., p. 219, pi. lxiii., 

 figs. 98, 99 ; Brazier, Proc. Linn. Soc. N. S. W., i., p. 118 ; 

 iv., p. 392. 



Habitat. — Damley and Thursday Islands. 



Nanina yorkensis. 



Pfeiffer, 1854, Proc. Zool. Soc, p. 145 ; Cox, Monogr., p. 34, 

 pi. IX., fig. 8 ; Tryon, Man. Conch., vol. xii., p. 81, pi. xv., 

 fig. 59. 



Habitat.— Ga-pe York (and Palm Island, lat. 16° 23' S.). 

 JPolita [Conulus] russelli. 



Brazier, 1874, Proc. Zool. Soc, p. 668, pi. lxxxiii., figs. 13, 

 14 ; id., Proc. Linn. Soc. N. S. W., i.,p. 120 ; id., Trans. Eoy. 

 Soc N. S. W., 1874, p. 29; id.. Quart. Journ. Conch., 1877, 

 vol. i., p. 271 ; Tryon, Man. Conch., ii., p. 179, pi. lfv., 

 figs. 86, 87. 



Habitat. — Cape York, Bet and Damley Islands ; (Fitzroy Island, 

 Cardwell, Home Islands, Barnard Islands). 



Polita {Conulus) reedei. 



Brazier, 1876, Proc Lmn. Soc. N. S. W., i., pp. 101, 120, 

 unfigured. 



Habitat. — Darnley Island. 



