CONTENTS. V 



Page 



Appendix II. — Experiments on the Effects of the Heating produced 

 in the Coils by the Currents used in Testing. By R. T. Glazebrook 1.36 



Appendix III. — On Standards of Low Electrical Eesistance. By 

 Professor J. ViRiAMU Jones 137 



The Application of Photography to the Elucidation of Meteorological Pheno- 

 mena.— Third Report of the Committee, consisting of Mr. G. J. Stmons 

 (Chairman), Professor R. Meldola, Mr. J. Hopkinson, and Mr. A. W. 

 CiiATDEN (Secretary). (Drawn up by the Secretary) 140 



The best methods of recording the Direct Intensity of Solar Radiation. — Ninth 

 Report of the Committee, consisting of Sir G. G. Stokbs (Chairman), 

 Professor A. Schuster, Mr. G. Johnstone Stonet, Sir H. E. Roscoe, 

 Captain W. de W. Abnet, Professor H. McLeod, and Mr. G. J. Stmons. 

 (Drawn up by Professor McLeod) 144 



The Present State of our Knowledge of Electrolysis and Electro-chemistry. — 

 Reportby W. N. Shaw and T. 0. Fitzpateick 146 



Table of Electro-chemical Properties of Aqueous Solutions, compiled 

 by T. C. Fitzpateick 146 



Investigation of the Earthquake and Volcanic Phenomena of Japan.— Thir- 

 teenth Report of the Committee, consisting of the Rt. Hon. Lord Kelvin, 

 Professor \V. G. Adams, Mr. J. T. Bottomlet, Professor A. H. Green, 

 Professor C. G. Knott, and Professor John Milne (Secretary). (Drawn 

 up by the Secretary) : 214 



Bibliography of Spectroscopy. — Interim Report of the Committee, consisting 

 of Professor H. McLeod (Chairman), Professor W. C. Robeets-Austen 

 (Secretary), Mr. H. G. Madan, and Dr. D. H. Nagel 227 



Bessel's Functions. — Report of the Committee, consisting of Lord Ratleigh 

 (Chairman), Lord Kelvin, Professor Catley, Professor B. Price, Mr. J. 

 W. L. Glaishee, Professor A. G. Greenhill, Profes.sor W. M. Hicks, and 

 Professor A. Lodge (Secretary), appointed for the purpose of calculating 

 Tables of certain Mathematical Functions, and, if necessary, of taking steps 

 to carry out the Calculations, and to publish the results in an accessible form 227 



Meteorological Observations on Ben Nevis. — Report of the Committee, consist- 

 ing of Lord McLaren (Chairman), Professor A. Crum Brown (Secretaiy), 

 Dr. John Murray, Dr. Alexander Buchan, Hon. Ralph Abercromby, 

 and Professor R. Copel and. (Drawn up by Dr. Buchan) 280 



Earth Tremors.— Report of the Committee, consisting of Mr. G. J. Symons, 

 Mr. C. Davison (Secretary), Sir F. J. Bramwell, Professor G. H. Darwin, 

 Professor J. A. Ewing, Dr. Isaac Roberts, Mr. Thomas Gray, Sir John 

 Evans, Professors J. Peestwich, E. Hull, G. A. Lebour, R. Meldola, 

 and J. W. JuDD, Mr. M. Walton Beown, Mr. J. Glaishee, Professor C. 

 G. Knott, Professor J. H. Poynting, and Mr. Horace Daewin. (Drawn 

 up by the Secretary) 287 



Appendix. — Account of Observations made with the Horizontal Pen- 

 duliun. By Dr. E. von Rebeur-Paschwitz 309 



The Action of Magnetism on Light ; with a critical correlation of the various 

 theories of Light-propagation. By Joseph Larmor, M.A., D.Sc, F.R.S., 

 Fellow of St John's College, Cambridge 335 



I. Magnetic Action on Light 335 



II. Correlation of General Optical Theories 360 



