DECEMBER, I950 Vol. 75, No. 897 THE ANALYST PROCEEDINGS OF THE SOCIETY OF PUBLIC ANALYSTS AND OTHER ANALYTICAL CHEMISTS AN Ordinary Meeting of the Society was held at 7 p.m. on Wednesday, October 4th, 1950, in the Meeting Room of the Chemical Society, Burlington House, London, W.l. The chair was taken by the President, Mr. George Taylor, O.B.E., F.R.J.C. The following papers were presented and discussed : “The Evaluation of Liming Materials for Agricultural Purposes,” by A. M. Smith, Ph.D., D.Sc., F.R.I.C., A. Comrie, B.Sc., A.R.I.C., and K. Simpson, B.Sc., A.R.I.C. ; “The Accurate Determination of ‘Phosphoric Anhydride’ by Means of Quinoline Phosphomolybdate,” by H. N. Wilson, F.R.I.C. ; “The Determination of Potassium in Fertilisers by Flame Photometry,” by L. Brealey, B.Sc. NEW MEMBERS Alec Harold Adams, BSc., MSc. (Lond.), A.R.I.C. ; James Bernard Attrill, B.A. (Cantab.) ; Douglas Bryan, B.Sc. (Notts.) ; William Edwin John Field, B.Sc. (Lond.), F.R.I.C. ; Albert William Harrington; Gordon Hopkins, B.Sc., M.Sc. (Lond.), A.R.I.C. ; Roy James MacWalter, B.Sc., Ph.D. (Lond.), F.R.I.C., A.M.1.Chem.E.; Peter Morries, B.Sc. (Birm.); Donald Pickles, BSc. (Lond.), A.R.I.C.; Kenneth Albert Proctor, B.Sc. (Notts.); K. R. Srinivasan, M.A., F.R.I.C.; Robert Guy Stuart, B.Sc. (Lond.), F.R.I.C.; Robert Arthur Sutton, B.Sc. (Liv.), A.R.I.C. ; William Leon David Diaper, B.Sc.Tech. (Manc.) ; James Robert Embleton, A.R.I.C. ; John Brian Dudley Robinson, B.Sc. (Reading). DEATHS WE regret to record the deaths of George Mason Hills Charles Arthur Hallas. 633