JANUARY 1906. Vot. XXXI. No. 358, THE ANALYST. PROCEEDINGS OF THE SOCIETY OF PUBLIC ANALYSTS. THE monthly meeting of the Society was held on Wednesday evening December 6, in the Chemical Society’s ROOUS Burlington House. The President Mr. E. J. Bevan, occupied the chair. The minutes of the previous meeting were read and confirmed. The Council’s nomination of Dr. H. W. Wiley as an honorary member and certificates-of proposal for election to membership in favour of Messrs G. Clarke jun., C. A. Hill B.Sc. and H. J. Horton were read for the second time; and certificates in favour of Messrs. Samuel Dickson chief assistant to Mr. R. H. Harry Stanger, 2 Broadway Westminster S.W.; John Evans F.I.C. chief assistant to Mr. G. E. Scott-Smith 67 Surrey Street Sheffield ; Frank Hughes chemist to the Khedivial Agricultural Society Cairo ; George Patterson E.I.C.chemist to the lllanbr4 Saccharine Company Limited Fulham Palace Road Hammersmith W. ; and Harry Thompson consulting and analytical chemist 5 Bishop Lane Lowgate Hull, were read for the first time. Messrs. C. F. Cross B.Sc. and C. E. Male were elected members of the Society. Messrs. C. G. Moor M.A. and Arthur R. Ling were appointed auditors of the Society’s accounts for the year 1905. The following papers were read ‘‘ The Reducing Action of Hydrogen. 11. The Estimation of Traces of Arsenic by the Marsh-Berzelius Method and the ‘ Insen-sitiveness ’ of Zinc,” by Alfred C. Chapman and H. D. Law B.Sc. ; and a “ Note on the Removal of Arsenic from Hydrochloric Acid for Use in the Marsh-Berzelius Method,” by Arthur R. Ling and T. Rendle. Mr. G. T. Holloway A.R.C.Sc. exhibited an impraved optical arrangement for reading balance graduations