MAY, 1915. Vol. XL., No. 470. THE ANALYST. PROCEEDINGS OF THE SOCIETY OF PUBLIC ANALYSTS AND OTHER ANALYTICAL CHEMISTS. AN ordinary meeting of the Society was held on Wednesday evening, March 31, in the Chemical Society’s Rooms, Burlington House. The President, Mr. A. Chaston Chapman, F.I.C., occupied the chair. The minutes of the previous ordinary meeting were read and confirmed. Certificates of proposal for election to membership in favour of Messrs.P. ti. Amp, B.Sc., A.C.G.I., A.I.C., F. H. Carr, F.I.C., A. S. Dodd, B.Sc., F.I.C., and H. Heap, M.Sc., F.I.C., were read for the second time; and certificates in favour of Messrs. Edward Theodore Brewis, F.I.C., 31, Belgrave Road, Leyton, chemist to Messrs. Stafford Allen and Sons, Ltd. ; Percival John Fryer, ‘‘ Ravenscar,” Pembury Road, Tonbridge, Kent, chief chemist to the Yalding Manufacturing Company, Yalding, Kent, Lecturer on Oils’and Fats at the Regent Street Polytechnic, London; and William McDonnell Mackey, F.I.C., Victoria Chambers, Lkeds, analytical and consulting chemist, were read for the first time.Messrs. C. W. McHugo, A.I.C., C. J. H. Stock, B.Sc., F.I.C., G. Tate, Ph.D., F.I.C., and T. E.Wallis, B.Sc., F.I.C., were elected members of the Society. The following papers were read : A Method for the Determination of Chlorides in Cheese,” by Miss E. C. V. Cornish, M.Sc., and John Golding, F.I.C. ; Estimation of Methyl Alcohol in Presence of Ethyl Alcohol,’’ by G. Cecil Jones, A.C.G.I., F.I.C. ; “Note on the Determination of Niobium in Presence of Tantalum, and Some Reactions of Tantalum Compounds,” by Arthur G. Levy, B.Sc., F.I. C. ; “ Estimation of Carbon Dioxide in Self-Raising Flour and Baking-Powder,” by Thomas Macara, F.I.C. ; ‘( Bromine Method of Determining Phenol,” by W. Versfield, B.A., D.Sc. ; and “ The Estimation of Sulphide and Sulphate Sulphur, and the Action of Solvents on Vulcanised Rubber,” by H. P. Stevens, M.A., Ph.D., F.I.C. Dr. E. K. Rideal exhibited a specimen of the new chemical hygrometer described by himself and Mr. A. Hannah (ANALYST, 1915, 48-54).