CONTENTS. 



I do 



N> 



,OS A, 



o/y 



Mji L I B R A^ Y .^1 



:^ 



V 



-^^ 



Constitution of the Association ... 

 Officers for the Year ... 



Officers for the Sections at the Cape Town Meeting 

 I. Presidential Address by Sir David Gill, K.C.B., LL.D. 

 F.R.S.E 



F.R.S., Hon. 



8f:ction a. 



2. Presidential Address hy P. D. Hahn, M.A., Ph U. 



3. On Ferments causing " Cassc " in Wine, by Raymond Dubois, 



Diplome E.A.M., B.Sc, F.C.S., F.S.C.I. (Victoria) 



4. Meteorology in South Africa, a Retrospect and Prospect, bv C. .M. 



Stewart, B.Sc. 



5. Meteorological Records of the Transvaal, bv W. Cullen. .Ibsfrncf 



6. Nitro-Glycerine Explosives : their Influence on Industrial Develop- 



ment, by W. Cullen... 



7. A Preliminary Note on some Observations on .\tmospheric Elec- 



tricity in Cape Town and Bloemfontein, by Prof. J. C. Beattie, 

 D.Sc, F.R.S.E, J. Lyle, M.A., and \V. H. Logeman, B.A. 



8. A Geodesic on a Spheroid and an .Associated Ellipse, by Prof. L. 



Crawford, M.A., D.Sc, F.R.S.E. 



9. A Consideration of close Binary Systems in relation to Light 



Variation, b\ Alex. W. Roberts, D.Sc, F.R.A.S., F.R.S.E. 



10. The Determination of Mean Results from Observations made at 



Second-Order Stations on the Table-Land of South Africa, bv .1. 

 R. Sutton, M.A., Cantab 



11. On the Electrification of the Atmosphere surrounding Solid Bodies 



when these are raised to moderate temperatures, bv Prof. J. C. 

 Beattie, D.Sc, P\R.S.E. 



12. A Third List of Writings on Determinanls, bv Thos. Muir, C.M.G., 



LL.D., F.R.S.S., L. & E. 



13. A General Theorem giving Expressions for certain Powers of a De- 



terminant, by Thos. Muir, C.M.G., &c 



14. Theorems for regarding Aggregates of Detei-minants and Pfaffians, 



by Thos. Muir, C.M.G., &c ... 



15. The Development of Gold Extraction Methods on the Witwaters- 



rand, hy W. A. Caldecott, B.A., F.C.S. 



16. The Solar Corona, by Prof. .1. T. Morris<in. M.A., B.Sc, F.R.S.E. (not 



printed! 



17. The Elmore Ore Concentration Process, by E, A. Blume. Ahxtract 



Page. 

 9 

 15 

 16 



17 



^:>7 



7.T 



So 



[02 

 106 



IIC) 



J -14 

 154 

 229 



233 



240 



249 

 25U 



