p o c . SOC. A I l U l . C h C l l l . Papers Accepted for Publication in The Analyst THE following papers have been accepted for publication in The Analyst and are expected to appear in the near future. “Differential Electrolytic Potentiometry. Part XIV. An Examination of Electrode Parameters and Electrode Systems in Acid - Rase Titrimetry,” by E. Bishop and G. D. Short. “A Critical Examination of the Aldridge Method and Some Modifications to it for Determining Small Amouhts of Cyanide in Effluents,” by H. G. Higson and L. S. Bark. “The X-Ray Fluorescence Determination of Zinc in Samples of Unknown Composition,” by K. G. Carr-Brion. “An Improved Procedure for the Extraction of Chlorinated Pesticides from Animal Tissue,” by A. Taylor R. E. Rea and D. K. Kirby. “The Rapid Determination of Nitrogen in Apple Juice and Cider,” by C. Macfarlane and J. F. Mears. “The Application of Paper and Thin-layer Chromatography to the Identification of Thyroxine in a Feeding-Stuffs Additive,” by S. J. Patterson and R. L. Clements. “The Semi-micro Determination of Fluorine and Chlorine in Organic Compounds. Part V Details of the Preparation of the Diphenyl - Sodium - Dimethosyethane Com- plex,” by R. D. Chambers T. F. Holmes and W. I<. R. Musgrave.