VI CONTENTS OF VOL. XLVI. FIFTH SERIES. 



NUMBEE CCLXXXL— OCTOBEE. 



Page 

 Prof. W. E. Ayrton and Mr. T. Mather on Galvanometers 



(Third Paper.) 349 



Mr. E. W. Wood on the Anomalous Dispersion of Cyanin . . 380 

 Mr. Alan A. Campbell Swinton on the Circulation of the 



Eesidual Gaseous Matter in a Crookes Tube 387 



Mr. Alan A. Campbell Swinton on some further Experiments 

 on the Circulation of the Eesidual Gaseous Matter in 



Crookes Tubes _.._ , 393 



Prof. A. Schuster on the Possible Effects of Solar Magnet- 

 ization on Periodic Variations of Terrestrial Magnetism . . 395 



Mr. Herbert Jackson on Phosphorescence 402 



Prof. Oliver Lodge on the Question of Absolute Velocity and 

 on the Mechanical Function of an ^Ether, with some 



Eemarks on the Pressure of Eadiation 414 



Prof. A. Gray on the Calculation of the Virtual Eesistance 



of Thin "Wires for Rapidly Alternating Currents 426 



A New Combination of Wheel-gearing, by J. J. Taudin 

 Chabot - 428 



NUMBER CCLXXXIL— NOVEMBER, 



Mr. J. Henry on the Deflexion by Magnetic Force of the 



Electric Discharge through Gases 429 



Mr. Albert Griffiths on Diffusive Convection ; . . 453 



Dr. F. G. Donnan on the Theory of the Hall Effect in a 



Binary Electrolyte 465 



Mr. James Walker on the Admissible Width of the Slit in 



Interference Experiments 472 



Mr. J. L. W. Gill on the Distribution of Magnetic Induction 



in Straight Iron Hods 478 



Lord Kelvin on Continuity in Undulatory Theory of Conden- 

 sational-raref actional Waves in Gases, Liquids, and Solids, 

 of Distortional Waves in Solids, of Electric Waves in all 

 Substances capable of transmitting them, and of Eadiant 



Heat, Visible Light, Ultra- Violet Light 494 



Mr. F. B. Fawcett on Standard High Resistances 500 



Mr. George Wilson on Continuous Beams 503 



Notices respecting New Books : — 



Mr. H. H. F. Hyndman's Eadiation : an Elementary 

 Treatise on Electromagnetic Eadiation and on Rontgen 



and Cathode Rays . 504 



Proceedings of the Geological Society: — 



Mr. O. A. Shrubsole on some High-level Gravels in 

 Berkshire and Oxfordshire 505 



