■ ^l^ # >>^ CONTEXTS. 



Page. 



Officers anh Council ... ... ... ... ... i 



Constitution of the Association ... ... ... ... ii 



Tables: Past Annual Meetings: — 



Places and Dates, Presidents, Vice-Presidents, and Local Secre- 

 taries ... ... ... ... ... ... xi 



Sectional Presidents and Secretaries ... ... ... xiii 



lu-eninj4' Discourses ... ... ... ... ... xvi 



PRETORIA MEETIXC;, 1915:— 



General Aleelings ... ... ... ... ... xvii 



Officers of Local and Sectional Conuniltees ... ... xviii 



Proceedings of ThirteentJi Annual (ieneral .AlcetiuL; of Menihers xx 



Report of Council, 1914-1915 ... ... ... • ... xxv 



(ieneral Treasurer's Account, 1914-1915 ... ... ... xxix 



ICiyhth Award of tlie South .\frica Aletlal (I'late i) ... xxxii 



.Association Library ... ... ... ... ... xxxviii 



Address by the President of the Association: R. T- A. Lxxes. 



F.R.A.S., F.R.S.E. ... ... ... ... ... i 



Address by the Pkesidext of Section A: !■". E. Kanthack, 



-M.l.C.E., iM.L^l.E. ... ... ... ..._ ... 17 



Addk-ess by the President of Section B: The late II. Kvxaston, 



M.A.. F.G.S. ... ... ... ... ... ... 24 



Address by the President of Section C : C. P. Lounsuury. ii.Sc, 



F.E.S. 3.3 



Address by the Pkesuiext of Section D: J. E. Ada.mson, AI..\.. ... 4b 



List of Papers read at the Sectional Meetincs ... ... 56 



Termite economy : C. P'uller, F.E.S.. . . ... ... ... bo 



I'he proi)lem of horse sickness: Sir A. Theh.er, K.C.M.G.. D.Sc... ()5 



Mcsciiibrianthemuni lortttusiim ... ... ... ... Nj 



Fire-resisting materials in huilding constructiim : A. 11. Reid, 



F.R.I.B.A., F-.R.San.l., E.S.A ... ... ... ,\^ 



Poisoned bait for biting Hies.. ... ... ... ... 94 



Anhydrous liquid hydrocyanic acid for fumigation purposes : C. W. 



AI.VLLY, ALSc, E.E.S., F.L.S. ... ... ... ... 95 



Alcoholometric tables ... ... ... ... ... 9^ 



Economics of the War : E. C. Reynolds ... ... ... 97 



Some features of the Rand Gold Alining Industry: W. A. Caedecott, 



D.Sc. ... ... ... ... ... ... n.^, 



Breyium : a new element ... ... ... ... ... 1-^3 



Contributions to the Chemistry of the So\a Bean : I^rof. P. D. 



Hahn, ALA., Ph.D ... ... ... ... IJ4 



The Aliners" Phthisis of the Rand: W. Watkins-Pitchfok-d, ALD.. 



F.R.C.S., D.P.H. ... ... ... ... ... 1-7 



Xotes on the chemical composition of Karroo ash : C. F. Juurrz. 



ALA., D.Sc, F.LC. ... ... ... ... ... i33 



South African Agriculture: an analysis; P. J. »u Toit ... ... 145 



Oil producing plants from South Africa ... ••■ ••• I55 

 Secular change in the period of U Carin;e-: A. \\ . Rohekts. D.Sc, 



F.R.A.S., F.R.S.E. ... 156 



-Actiye principles of South African Plants ... ... ... i5>^ 



Radium in Japan ... ... ... ... ... ... i5<^ 



\n inquiry into the origin of certain South .\frican jihice names: 



Rev. C. Pettman ... ... ... ... ... i59 



Some Problems of physical continuity: Rey. S. R Wei in, B.A., 



D.D. Ph.D. ... ... .'.. ... ... ... irr 



Xatiye agriculture: Rev. J. R. L. Kingon, ALA., F.L.S. ... ... 178 



3;i474 



