V* 



CONTENTS. 



Page 



Lea, Arthur M.: On Australian Staphylinidae (Coleoptera) 1 



Lower, Oswald B. : Descriptions of New Australian Lepidoptera . . 54 



Cleland, Prof. J. BuRTok, and Edwin Cheel : Australian Fungi : Notes and Descriptions, 

 No. 4. Plates i. and ii • • . ; • ^° 



Jones, Prof. F. Wood: The External Characters of Pouch Embryos of Marsupials, 



No. 5 — Phascolarctus cinereus. Plate x • 129 



No. 6 — Dasycercus cristicauda .. • • • • • • 136 



Tiegs, Dr. O. W.: . . ,a^ 



The Structure and Action of "Striated" Muscle Fibre. Plates xi. to xiv 142 



On the Path and Velocity of the Excitatory Impulse within Striated Muscle Fibres 153 



Johnston, Prof. T. Harvey, and Leith' Hitchcock: 



A Bacterial Disease Destructive to Fish in Queensland Rivers 157 



A Bacteriosis of Prickly Pear Plants (Opiintia spp.) 162 



Turner, Dr. A. Jefferis : New Australian Micro-Lepidoptera 165 



Jones, Prof. F. Wood: The External Characters of Pouch Embryos of Marsupials, 

 No. 7 — Myrmecobitis fasciatus . . . . . . . . . • . . • • • • • • 195 



Johnston, Prof. T. Harvey : A Survey of the Australian Sheep Maggot Fly -Problem 201 



Elston, Albert H. : Australian Coleoptera, Part iv. Plate xv 212 



AsHBY, Edwin: 



Monograph of the Australian Lepidopleuridae, Order Polyplacophora, with a Descrip- 

 tion of a new Species. Plates xvi. to xix .. .. 216 



A Review of Ischnochiton (Haploplax) smaragdinus, Angas, 1867, and its Congeners, 



together with the Descriptions of two new Chitons from Papua. Plates xvi. to xix. 224 

 Notes on a Collection of Polyplacophora from Carnarvon, Western Australia, with 



Definitions of a new Genus and two new Species. Plates xvi. to xix 230 



A Review of the Australian Representatives of the Genus Cryptoplax, Order Poly- 

 placophora. Plates xvi to xix. . . . . - . . . . . . . . . . . . 2i7 



Osborn, Prof. T. G. B., and J. G. Wood : On the Zonation of the Vegetation in the Port 

 Wakefield District, with special Reference to the Salinity of the Soil. Plate xx. .. 244 



Thomas, R. Grenfell : The Gem Sands of Encounter Bay 255 



Wood, J. G. : On Transpiration in the Field of some Plants from the Arid portions of 

 South Australia, with Notes on their Physiological Anatomy. Plate xxi 259 



Howchin, Prof. Walter: A Geological Sketch-section of the Sea-cliffs on the Eastern 

 side of Gulf St. Vincent, from Brighton to SeUick's Hill, with Descriptions. Plates 

 xxii. to xxvi. . . . . . . . . . . . . . . . . . . . . • • 279 



Jack, R. Lockhart: The Composition of the Waters of the Great Australian Artesian 

 Basin in South Australia and its Significance 316 



Rogers, Dr. R. S. : 



The Distribution of Australian Orchids 322 



Contributions to the Orchidaceous Flora of Australia. Plate xxvii. .. .. .. Z27 



Tindale, Norman B. : On Australian Rhopalocera. Plates xxviii. to xxx. . . . . 342 



Black, J. M. : Additions to the Flora of South Australia, No. 21 367 



Mawson, Sir D. : 



Notes on the Geological Features of the Meadows Valley 371 



Igneous Rocks of the Mount Painter Belt. Plates xxxiii. and xxxiv 376 



OsBORN, Prof. T. G. B., and J. G. Wood: On some Halophytic and non-Halophytic 

 Plant Communities in Arid South Australia. Plates xxxv. and xxxvi 388 



The Flora and Fauna of Nuyts Archipelago and the Investigator Group — 



Proctor, Joan B. : No. 5, The Lizards 79 



Jones, Prof. F. Wood : No. 6, The Didelphian Mammals 82 



Waite, Edgar R. : No. 7, The Fishes. Plate iii 95 



Osborn, Prof. T. G. B. : No. 8, The Ecology of Pearson Islands. Plates iv. to ix. 97 

 Wood, J. G. (Appendix to the last named) : Analyses of Soil Samples from Pearson 

 Islands .. .. .. .. .. .. .. .. .. .. .. .. Ill 



Cleland, Prof. J. Burton : No. 9, The Birds of Pearson Islands 119 



Waite, Edgar R. : No. 10, The Snakes of St. Francis Island . . ' . . . . . . 127 



Lea, Arthur M. : No. 11, The Coleoptera of Pearson Island. Plate xxxi. .. .. 355 



Lea, Arthur M. : No. 12, Stomach Contents of Pearson Island Birds . . . . 361 



Tindale, Norman B. : No. 13, Orthoptera. Plate xxxii. 362 



Cleland, Dr. J. Burton : No. 14, The Basidiomycetous Fungi of Pearson Islands, 

 Great Australian Bight 365 



Marston, Hedley Ralph : Report on Work carried out under Research Grant from the 

 Royal Society of South Australia on the Azine and Azonium Precipitates of the 

 Proteolytic Enzyme Trypsin .'. . . 400 



Abstract of Proceedings, 404; Presidential Address, 408; Annual Report, 414; Balance- 

 sheets, 416 ; Donations to the Library, 418 ; List of Members, 426 ; Rules (as Amended, 

 1923), 428; By-laws ..430 



Appendices — Field Naturalists' Section : Annual Report, etc. 434 



Thirty-fourth Annual Report of the Native Fauna and Flora Protection Committee 435 



Index T- 438 



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