VI. CONTENTS. 



Friday, August 31, 



PAGE 



1. — Exhibition of a Model for Fine Distance Adjustments. By H. C. 



Russell, B.A., F.R.S ... ... 106 



2. — A Proposed Method of Recording Variations in the Direction of 



the Vertical. By H. C. Russell, B.A., F.R.S 106 



3. — On the Measurement of High Resistances, and on Galvanometers 



suitable for the Purpose. By Prof. Richard Threlfall, M.A. 109 

 4. — On the Clark Cell as a Source of small Standard Currents, and on 



a Galvanometer for the Prince Alfred Hospital. By Professor 



Richard Threlfall, M.xl., and Arthur Pollock 110 



Section B.— CHEMISTRY AND MINERALOGY. 



Wednesday, August 29. 



1. — On Butterine as an Article of Food. By C. A. Smith, F.I.C , 



F.C.S 113 



2. — On the Occurrence of Tellurium in New South Wales Ores. By 



J. C. H. MiNGAYE, F.C.S 116 



3. — Notes on Silver Smelting. By Edgar Hall, F.C.S 122 



Thursday, August 30. 



Address by Prof. J. G. Black, M.A., D.Sc, President of the Section 125^ 

 1. — Some Considerations in regard to the Formation of Coal and Car- 

 bonaceous Minerals. By W. A. Dixon, F.I.C, F.C.S 125 



2. — On some Means of Popularising the Study of Crystallography. 



ByF. Ratte 137 



Monday, September 3. 



1. — On the Dissolved Matter contained in Rain Water collected at 



Lincoln, Canterbury, New Zealand. By G. Gray, F.C.S. ... 138 



2. — Notes on the Composition of Fahlerz and Embolite from New 



South Wales. By G. S. Mackenzie, Ph.D., F.I.C 153 



3. —On Gold : Its Formation in our Reefs, and Notes of some newly 



discovered Reactions. By W. Skey, F.C S., &c. ... 155 



4. — The Proposed Chemical Laboratory at the University of Sydney. 



By Prof. A. LrvERSiDGE, M.A., F.R.S 168 



5. — Notes on Some Australian Minerals. By Prof. A. Liversidge, 



M.A., F.R.S 182 



6. — Notes on the Thunda Meteorite. By Prof. A. Liversidge, 



M.A., F.R.S ... 182 



7. — Bibliography of the Chemistry of Indigenous Australian 



Vegetable Products. By J. H. Maiden, F.L.S., F.C.S 183 



8. — On the Action of the Nepean Water on Tubes and Boiler Plates, 



with some Remarks on Corrosion generally. By W. M. 



Hamlet, F.LC, F.C.S 193 



Section C— GEOLOGY 



Wednesday, August 29. 



Address by Mr. R. L. Jack, F.R.G.S., F.G.S., &c., President of the 



Section .. ... ... ... ... ... ... ... ... 196 



1. — Notes on the Metamorphic Rocks of the Omeo District, Gippsland. 



By A. W. Howitt, F.G.S., &c 206 



2.— The Development of Mining in Australia. By S. H. Cox, F.C.S., &c. 223 



