CONTENTS. 



Page. 

 Bragg, Prof. AY. H., and Dr. J. P. V. Madsen: An Experi- 

 mental Investigation ot the Nature of the 7 Rays. >.o. i. 1 

 Rogers, Dr. R. S. : Description of a New Species of Orchid 11 

 MADSEif, Dr. J. P. v.: The Ionization Remaining in Gases 



after Removal from the Influence of the Ionizing Agent 12 

 Bragg, Prof. W. H., and Dr. J. P. V. Madsen: An Experi- 

 mental Investigation of the Nature of the 7 Rays. No. ii. 3o 

 Turner, Dr. A. J. : New Australian Lepidoptera of the 



Families Noctuidse and Pyralidse ... ... ... ... 55 



Lower, O. B. : New Australian Lepidoptera. No. xxv. ... 110 



WooLNOUGH, Dr. Vr. G. : Notes on the Geology of the Mount 



Lofty Ranges, Chiefly the Portion East of the Onka- 



paringa River. Plates i. and ii. ... ... ... ... 121 



Baker. \V. H. : Notes on Some Species of the Isopod Family 



Sphseromidse, from the South Australian Coast. Plates 



iii. to X. ... ... ... ... ... ... ... ... 138 



Madsen, Dr. J. P. V.: Secondary 7 Radiation ... ... 163 



Verco, Dr. J. C. : Notes on South Australian Marine Mol- 



lu.sca. with Descriptions of New Species. Part viii. 



Plates xi. to xiii. ... ... ... ... ... ... 193 



Lea, A. M. : Descriptions of Aii.stralian Curculionidse, with 



Notes on previously-described Species. Part vi. ... 203 



Maiden, J. H. : A Contribution to the Botany of South 



Australia 252 



Zietz, a. : Description of a hitherto Undescribed Species of 



Shark from Investigator Strait ... ... 287 



A Svnopsis of the Fishes of South Australia. 



Part i ... 288 



A Svnopsis of the Fishes of South Australia. 



Part ii 294 



Bragg, Prof. AV. H. : On a Want of Symmetry shown by 



Secondary X-Rays. (Abstract.) ...' ... ' ... ..". 300 



Bragg, Pi of. "W. H., and J. L. Glasson: On a Want of 



Symmetry shown by Secondary X-Rays ... ... ... 301 



Lower. O. B. : Descriptions of Xew Australian Hesperiadse 311 



X'ew Australian Tortricina ... ... ... 318 



Chapman, Prof. R. W. : The Strength of South Australian 



Timbers ... 325 



Verco, Dr. J. C. : Notes on South Australian Marine Mol- 



lusca, with Descriptions of New Species. Part ix. 



Plates xiv. to xviii 338 



Blackburn. Rev. T. : Further Notes on Australian Coleop- 



tera, with Descriptions of New Genera and Species. 



No. xxxviii. ... ... ... ... ... ... ... 362 



Abstract of Proceedings ... ... ... ... ... ... 387 



Annual Report ... ... ... ... ... ... ... 395 



Balance-sheet ... ... ... ... ... ... ... 397 



Endowment Fund ... ... ... ... ... ... ... 398 



Donations to the Library... ... ... ... ... ... 399 



List of Fellows, Etc. ... 412 



Appendices. 

 Annual Report, etc., of Field Naturalists' Section ... ... 415 



Twentieth Annual Report of the N'ative Fauna and Flora 



Protection Committee of the Field X'aturalists' Section 418 

 Annual Report, etc., of the Malacological Section ... ... 421 



Annual Report, etc., of the Microscopical Section ... ... 422 



Index ... ... 425 



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