xvi REPORT — 1898. 



Page 



4. Velocity of the Electricity in the Electric Wind. By Professor A. P. 



CH ATTOCK 801 



-5. Dalton'sLaw. By W. N. Shaw, F.R.S 801 



6. On the Determination of the State of lonisation in Dilute Aqueous Solu- 



tions containing two Electrolytes: No. 2. By Professor J. G. MacGregoe 803 



7, The Carbon-Cousuming Cell of Jacques. By S. Skinner 804 



TUESDAY, SEPTEMBER 13. 

 A discussion on the Magnetic and Electrolytic Actions of Electric Railways 805 



1. Report on Electric Standards 805 



2. On Standard High Resistances. By F. B. Fawcett 805 



5. *0n the Electric Conductivity and Magnetic Permeability of a Series of 



New Alloys of Iron. By Professor W. F. Barrett, W. Brown, and 

 R. A. Hadfield 805 



WEDNESDAY, SEPTEMBER 14. 



1. The Drop of Potential at the Carbons of the Electric Arc. By Mrs. 



Atrton 805 



2. Some Experiments ou the Efiect of Pressure on the Thermal Conductivities 



of Rocks. By Dr. C. H. Lees 807 



3. On the Determination of the Thermal Conductivity of Water. By S. R. 

 Milner, B.Sc, and Professor A. P. Chattock 808 



4. Experiments on the Influence of Electricity on Plants. By Selim Lbm- 

 strom 808 



5. The Action of Electricity upon Plants. By E. H. Cook, D.Sc 809 



6. *Experiments with the Brush Discharge. By E. H. Cook, D.Sc 810 



7. The Ancient Standard Weights and Measures of the City of Bristol. By 



W. R. Barker 810 



8. Some Preliminary Experiments on the Luminosity produced by striking 

 Sugar. By J. Btjrke, M.A 810 



9. On the Electromagnetic Theory of Reflection on the Surface of Crystals. 



By Dr. Chas. E. Cttret 811 



Section B.— CHEMISTRY. 



THURSDAY, SEPTEMBER 8. 



Address by Professor F. R. Japp, M.A., LL.D., F.R.S. , President of the 

 Section 813 



1. (Ju the Extraction from Air of the Companions of Argon and on Neon. 



By William Ramsay and Morris W. Tkavers 828 



2. *0n the Position of Helium, Argon, Krypton, &c., in the Periodic Classi- 



fication of the Elements. By Professor J. Embeson RErNOLDS, F.R.S.... 830 



3. Report on the Electrolytic Methods of Quantitative Analysis 830 



4. *A new form of Stand for Electrolytic Analysis. By Dr. Hugh Marshall 830 

 o. Report on the Continuation of the Bibliography of Spectroscopy 830 



