Xiv REPORT — 1897. 



Page 



3. *0n Zeeman's Discovery of the Effects of Magnetism on Spectral Lines. 



By Professor 0. J, Lodge, F.R.S ^. 588 



4. *0n the Use of a Constant Total Current Shunt with Ballistic Galvano- 



meters. By Professor W. E. Atrton, F.RS., and J. Mather 588 



5. *The Sensihility of Galvanometers. By Professor W. E. Atrton, F.R.S., 

 and J. Mather 588 



6. *Short versus Long Galvanometers for Very Sensitive Zero Tests. By 

 Professor W. E. Atrton, F.R.S., and J. Mather 588 



7. On a Research in Thermo-electricity by means of a Platinum Resistance 

 Pyrometer. By H. M. Tort, M.A 588 



8. On a Simple Modification of the Board of Trade Form of the Standard 

 Clark Cell. By Professor H. L. Callendar, M.A., F.R.S., and H. T. 

 Barnes, M.A.Sc 591 



9 *0n the Cyclical Variation -with Temperature of the E.M.F.of the H Form 

 of Clark's Cell. By F. S. Spiers, F. Twtman, and W. L. Waters 591 



10. On the Disruptive Discharge in Air and Dielectric Liquids. By T. W. 



Edmondson 591 



Section B. -CHEMISTRY. 



THURSDA Y, A UG UST 19. 



.Address by Professor W. Ramsay, Pli.D , F.R.S., President of the Section ... 593 



1. Reform in the Teaching of Chemistry. By Professor W. W. Andrews... 601 



2. Report on the Teaching of Science in Elementary Schools 608 



S. Report on Wave-length Tables of the Spectra of the Elements 608 



4. *Interim Report on the Proximate Chemical Constituents of the various 

 kinds of Coal 608 



5. Report on the Action of Light upon Dyed Colours 608 



FRIDAY, AUGUST 20. 



1. *Helium. By Professor W. Ramsat, F.R.S 608 



2. * Contributions to the Chemistry of the Rare Earth Metals. By Professor 

 BOHUSL AV Brauner 608 



3. On the Chemistry and the Atomic Weight of Thorium. By Professor 

 BoHUSLAV Brauner 609 



4. The Atomic Weights of Nickel and Cobalt. By Professor Theodore 



W. Richards, A. S. Cushman, and G. P. Baxter 609 



5. *0n the Occurrence of Hydrogen in Minerals. By M. W. Travers 610 



6. The Spectrographic Analysis of Minerals and Metals. By Professor W. 



N. Hartlet, F.R.S., and Hugh Ramage 610 



MONDAY, AUGUST 23. 



1. Demonstration of the Preparation and Properties of Fluorine. By Pro- 

 fessor E.Mbslans 611 



2. *The Properties of Liquid Fluorine. By Professor H. Moissan and Pro- 

 fessor J . Dewar, F.R.S 61 1 



3. 'Demonstration of the Spectra of Helium and Argon. By Professor W. 



Ramsay, F.R.S 611 



