J O U R N A L A. CHASTON CHAPMAN. A.W.CROSSLEY,C.M.G.,D.SC.,F.R.S. M. 0. FOKSTER D.Sc. Ph.D. F.R.S. A. HARDEN D.Sc. Ph.D. F.1C.S. T. A. HENRY D. Sc. C. A. KEANE D.Sc. Ph.D. G. T. MORGAN D.Sc. F.R.S. OF J. C. PHILIP O.B.E. D.Sc. Ph. D. W.J.POPE,C'.B.E.,M.A.,D.S~.,F.R.S. F. L. PYMAN D.Sc. Ph.D. A. SCOTT M.A. D.Sc. F.R.S. 8. SMILES O.B.E. D.Sc. B.R.S. J. F. THORPE C.B.E. D.Sc. Ph.D. F. R. S. THE CHEMICAL SOCIETY. C. H. DESCH D.Sc. Ph.D. W. GODDEN R.Sc. E. GOULDING D.Sc. ABSTRACTS O F PAPERS F. SODDY M.A. F.R.S. J. F. SPENCER D.Sc. Ph.D. L. J. SPENCER M.A. ON PHYSICAL INORGANIC MINERALOGICAL ANALYTICAL CHEMISTRY. AND 1918. VoL CXIV. Part 11. LONDON GURNEY & JACKSON 33 PATERNOSTER. ROW E.C. 4. 1918Abstractors of the Journal of the Society of Chemical Industry who have contributed to this volume. J . F. BRIGIGS. F. F. BURTON B.Sc. L. A. COLES. W. F. FREW. H. J. HODSMAN. J. H. JOHNSTON. C. A. KING. J. H. LANE. C. A. MITCHELL. B. NORTH. A. SHONK. F. C. THOMPSON. A. B. SEARLE. PRIN'CED IN GREAT URITAIN BY RICHARD CLAY & SONS LIMITED L?HUNSWICK ST. YTAYFORD ST. Y.E. 1 AND BUNGAY SUFFOLK.