CONTENTS. XV 



Page 



4. The Permeability of Elements of Low Atomic Weight to the Rontgen 

 Rays. By John Waddell, B.A., D.Se 611 



5. Continuation of Experiments on Chemical Constitution and the Absorp- 

 tion of X Rays. By J. H. Gladstone, D.Sc, F.R.S., and W. Hibbert . 611 



6. *0n the Action exerted by certain Metals on a Photographic Plate. By 



Dr. W. J. Russell, F.R.S 612 



7. 'Photographs of Explosive Flames. By Professor H. B. Dixon, F.R.S. 612 



8. Distribution of Titanic Oxide upon the Surface of the Earth. By F. P. 

 DUNNINGTON, F.C.S 612 



9. Deliquescence and Efflorescence of certain Salts. By F. P. Dunnington, 

 F.C.S 612 



10. Some Notes on Concentrated Solutions of Lithium and other Salts. By 

 John Waddell, B.A., D.Sc, Ph.D - 613 



11. *0n the Formation of Crystals. By W. L. T. Addison 613 



12. Note on a Compound of Mercury and Ozone. By E. C. C. Balt 613 



13. The Reduction of Bromic Acid and the Law of Mass Action. By James 



Wallace Walkee, Ph.D., M.A., and Winifeed Jtjdson 613 



TUESDAY, AUGUST 2i. 



1. On the Composition of Canadian Virgin Soils. By FeankT. Shittt, M.A,, 

 F.LC, F.C.S 616 



2. Analysis of Some Precarboniferous Coals. By Professor W. Hodgson 

 Ellis 620 



3. *The Constitution of Aliphatic Ketones. By Professor P. C. Freer 621 



4. *The Chemistry of Methylene. By Professor J. U. Nee 621 



5. Formation of a Benzene-Ring by Reduction of a 1 : 6 Diketon. By A. 



Lehmann 621 



6. Condensation Products of Aldehydes and Amides. By Charles A. Kohn, 



Ph.D.,B.Sc 622 



7. A New Form of Bunsen Burner. By Hugh Marshall, D.Sc 623 



WEDNESBA T, A UG UST 25. 



1. *Molecular Movement in Metals. By Professor W. C. Roberts- Austen, 

 C.B.,F.R.S 623 



2. The Causes of Loss incurred in roasting Gold Ores containing Tellurium. 



By Dr. T. K. Rose 623 



3. *The Behaviour of Lead and of some Lead Compounds towards Sulphur 

 Dioxide. By H. C. Jenkins 624 



4. *The Vapour Tensions of Liquid Mixtures. By Dr. W. L. Miller and 



T. R. ROSEBROUGH 624 



5. *The Electrolytic Determination of Copper and Iron in Oysters. By Dr. 



C. A. Kohn 624 



6. The Nitro-Alcohols. By Professor Louis Henry 624 



7. The Plaster of Paris Method in Blowpipe Analysis. By Professor W. W\ 



Andrews 625 



8. *Some Experiments with Chlorine. By R. Ransford 627 



9. Report on the Electrolytic Methods of Quantitative Analysis 627 



