Xii CONTENTS. 



Page 



5. On a Simple Interference Arrangement. By Lord Ratleigh, Sec.R.S.... 703 



6. fOn the Construction of Specula for Reflecting Telescopes upon New 



Principles. By Dr. A. Shafaeik 704 



7. Supplementary Note on the Ether. By Dr. Oliver J. Lodge, F.R.S. ... 704 



8. On the Publication of Scientific Papers. By A. B. Basset, M.A., F.R.S. 704 



9. *0n a new Form of Air-pump. By Professor J. J. Thomson, F.R.S. ... 70.5 



1 0. *A Peculiar Motion assumed by Oil Bubbles in ascending Tubes containing 

 Caustic Solutions. By F. T. Trotiton 705 



11. On Electro-magnetic Trails of Images in Plane, Spherical, and Cylindrical 

 Current Sheets. By G. H. Bryan, M.A 706 



12. On Thermal Relations between Air and Water. By Hugh Robert Mill, 



D.Sc, F.R.S.E 7C6 



13. *0n a new Artificial Horizon. By W. P. Shadbolt 707 



14. *Investigations as to what would be the Laws which would Regulate the 



Transplacement of a Liquid by a Moving Body ; and Reasons why Ether 

 eludes our Senses. By E. Major 707 



Section B.— CHEMICAL SCIENCE. 



THURSBAT, SEPTEMBER 14. 



Addi-ess by Professor J. Emerson Reynolds, M.D., Sc.D., F.R.S., President 



of the Section 708 



1. On Tools and Ornaments of Copper and other Metals from Egypt and 



Palestine. By Dr. J. H. Gladstone, F.R.S 715 



2. Report on International Standards for the Analysis of Iron and Steel ... 716 



3. *0n Native Iron Slanufacture in Bengal. By H. Harris and T. Turner 716 



4. On Nitride of Iron. By G. J. Fowler, M.Sc 716 



5. Report on the Silent Discharge of Electricity in Oxygen and other 

 Gases 717 



FBI BAT, SEPTEMBER 15. 



1. Report on the Action of Light upon Dyed Colours 717 



2. *Demonstration of the Preparation and Properties of Fluorine by Moissan's 

 Method. By Dr. M. Meslans 717 



3. *Interim Report on the Formation of Haloids 717 



4. Report on the Action of Light on the Hydracids of the Halogens in the 

 Presence of Oxygen 718 



•6. On the Iodine Value of Sunlight in the High Alps. By Dr. S. Rideal . 718 



6. On a Modified Form of Bunsen and Roscoe's Pendulum Actinometer. By 



Dr. Arthur Richardson and J. Quick 719 



7. On the Expansion of Chlorine Gas and Bromine Vapour under the 

 Influence of Light. By Dr. Arthur Richardson 719 



8. On the Cause of the Red Colouration of Phenol. By Charles A. Kohn, 



Ph.D., B.Sc 720 



