CONTENTS. 



Lea, A. M. : The late Rev. Canon Thomas Blackburn, B.A., 



and his Entomological Work (with Portrait) v. to xl. 



Grant, Kerr, and Jauncey, G. E. M. : The Ionization Pro- 

 duced by the Impact of Solid Bodies in Air .1 



Howchin, W. : On an Outlier of Older Cainozoic Rocks in 



the River Light, near Mallala. Plate i 14 



Black, J. M. : Additions to the Flora of South Australia. 



Plates ii. and iii. ... ... ... ... ... ... 21 



Stirling, Dr. E. C. : Observations on the Habits of the 

 large Central Australian Monitor (Yaranus giganteusj, 

 with a Note on the "Fat Bodies" of this Species. Plate iv. 26 



Howchin. W. : Notes on Recurrent Transgressions of the 



Sea at Dry Creek ... ' 34 



Blackburn (the late), Rev. Canon: Further Notes on Aus- 

 tralian Coleoptera, with Descriptions of New Genera 

 and Species. No. xlii. ... ... ... ... ... 40 



Lea, A. M. : Descriptions of Australian Curculionida?, with 



Notes on Previously Described Species. Part x. ... 76 



Torr Dr. W. G. : South Australian Polvplacophora. 



Plates v. to vii 140 



Black, J. M. : Additions to the Flora of South Australia. 



Plate viii. 171 



Brougkton, A. C. : Notes on some Occurrences of Silica 



near Mount Painter, Flinders Ranges ... ... ... 173 



Zietz, F. R. : Descriptions of Wild Hybrids of Australian 

 Ducks contained in the S.A. Museum Collection. 

 Plate ix. 178 



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

 Mollusca, with Descriptions of New Species. Part xv. 

 Plates xv. (in part) and xvi. (in part) ... ... ... 181 



Notes on the Marine Shells of Western Australia, 



with Descriptions of New Species. Part ii. Plates xv. 



(in part) and xvi. (in part) ... ... ... ... ... 192 



Shells from the Great Australian Bight. Plates 



x. to xiv. and xvi. (in part) ... ... ... ... ... 206 



Knab, F., and Malloch, J. R. : New Australian Diptera 



from Ants' Nests 233 



Abstract of Proceedings 238 



Annual Report 246 



Balance-sheets 248 



Donations to the Library 250 



List of Fellows, etc 261 



Appendices — 



Annual Report, etc., of the Field Naturalists' Section ... 264 

 Twenty-fourth Annual Report of the Native Fauna and 

 Flora Protection Committee jof the Field Naturalists' 



Section 268 



Annual Report, etc., of the Malacological Section ... 270 

 Annual Reports, etc., of the Microscopical Section, 



1910-11 and 1911-12 271 



General Index 27o 



