CONTENTS. XV 



Page 



2. Report of the Committee on Electrolytic Methods of Quantitative Analysis 605 



3. On the Proportions of Oarhonic Acid in Air which are Extinctive to 



Flame, and which are Irrespirable. By Professor Feank Clowes, D.Sc. 605 



4. On Some Experiments with Free Hydroxylamine. By Dr. C A. Lobet 



DE Beutn, Amsterdam 606 



6. The Chemical Action of a New Bacterium in Milk. By Alexai^dee 

 Beenstein 608 



FRIBA T, A UG UST 10. 



Discussion on the behaviour of gases with regard to their electrification and 

 the influence of moisture on their comhination : — 



1. On the Connexion between Chemical Change and Electric Discharge 



through Gases. By Professor J. J. Thomson, M.A., F.R.S 609 



2. On the Influence of Moisture on the Combination of Chemical Sub- 



stances. By H. Beeeeton Bakee 609 



3. On the Rate of Oxidation of Phosphorus, Sulphur, and Aldehyde. 



By Thomas Ewan, B.Sc, Ph.D 609 



4. New Methods of Spectrum Analysis, and on Bessemer Flame Spectra. By 



Professor W. N. Haetley, F.R.S 610 



5. On the Chemistry of Coal Formation, By J. W. Thomas, F.I.C, F.C.S. 611 



6. On the Iodine Value of Sunlight in the High Alps. By Dr. S. Rideal 612 



7. 'Interim Report of the Committee on the Formation of Haloids from 

 Pure Materials 614 



8. Interim Report of the Committee on the Bibliography of Solution 614 



MONDAY, AUGUST 13. 



1. *A New Gaseous Constituent of Air. By Lord Rayleigh, Sec.R.S., and 

 Professor W. Ramsay, F.R.S 614 



2. tOn SchuUer's Yellow Modification of Arsenic. Bv Professor H. McLeod. 

 F.R.S :. .'615 



3. *0n the Electrolysis of Glass. By Professor "W. C. Robeets-Austen. 

 F-RS .'615 



4. On the Relations between the Viscosity of Liquids and their Chemical 

 Nature. By Dr. T. E. Thorpe, F.R.S., and J. W. Rodgee 615 



5. Some Experiments on the Rate of Progress of Chemical Change. By Dr. 



J. H. Gladstone, F.R.S 616 



6. The Determining of the Freezing-point of Water, van't Hoff's Constant, 

 Arrhenius' Law of Dissociation, Ostwald's Law of Dilution. By Dr. 

 Mejer Wildeemann 616 



7. On the Effect of Dilution upon the Colours of Salt Solutions and the 



Measurement of this Effect. By Wyatt W. Randall, Ph.D 618 



8. On the Distinction between Mixtures and Compounds. By P. J. Haetog, 

 BSc ' gi8 



0. The Atomic Weight of Carbon. By Professor J. A. Wanklyn 619 



10. Popular Method for the Estimation of Carbon Dioxide in the Air. By 



J. B. Cohen, Ph.D., and G. Appleyaed 619 



11. *0n the Diffusion of very Dilute Solutions of Chlorine and Iodine. By 



A. P. Laueie 620 



