754 STUDIES ON AUSTRALIAN MOLLUSCA, Xli., 



Plate Ixxix. 



Figs. 21, 22, 23. — Gratis progressa Hedley. 



Fig.24. — Modiola pidex Lamarck. 



Figs. 25, 26, 27, 28. — Godakia pisidintn Dunker. 



Figs,29, 30, 31, 32. — Neolepton novacamhrica Hedley. 



Plate Ixxx. 



Figs. 33, 34, 35, 36. — Joannisiella subquadrata Hedley 

 Figs. 37, 38, 39. — Erycina helmsi Hedley. 

 Figs. 40, 41, 42. — Panopcea angtista Hedley. 

 Figs. 43, 44. — Soltcurtus Untrior Hedley. 



Plate Ixxxi. 



Fig. 45. — Gihbula utrangei A. Adams. 

 Figs. 46, 47, 48. — Liotia botanica Hedley. 

 Fig. 49. — Charisma compacla Hedley. 

 Figs. 50, 51, 52. — Acmcea mufria Henley. 

 Y\g.53. — Obtortio lutosus Hedley. 

 Fig. 54. — Bittium elongatum Sowerby. 



Plate Ixxxii. 

 ¥\g.55. - Petterdiana brazieri Smith. 

 Figs. 56, 57 — Glyphostoma alliteratum Hedley. 

 Fig. 58. — Daphnella acideola Hedley. 

 Fig. 59. — Drillia commenticius Hedley. 

 Figs. 60, Ql. — Glyphostoma bicolor Angas. 

 Figs. 62, 63. — Potinices ephebus Hedley. 

 Ylg.Qi. — Marginella inconspicua Sowerby. 

 Fig. 65. — 'M. malina Hedley. 

 Fig. 66. — M. atigasi Crosse. 

 Fig. 67. — M. translucida Sowerby. 



Plate Ixxxiii. 

 Figs. 68, 69. — Zafra avicennia Hedley. 

 Figs. 70, 71. — ^. debilis Hedley. 

 Fig. 72. — Z. atkinsoni Ten. -Woods. 

 Fig.73.— -^. lurida Hedley, var. 

 Fig. 74. — Z. darwiid Angas. 

 Fig. 75. — Z. smithi Angas. 



Fig. 76. — Arcidaria ccelata v. torresiana Hedley. 

 Fig. 77. — Zafra regidus Souverbie. 



Fig. 78. — Arcidaria semigranosa Dunker; redrawn from a photo of the type 

 of Nassa optata Gould. 



