CONTENTS OF VOL. XLIX. FIFTH SERIES. Vll 



NUMBER CCCI.— JUNE. 



Page 

 Mr. H. A. Wilson on the Variation of the Electric Intensity 

 and Conductivity along the Electric Discharge in Rarefied 



Gases 505 



Mr. E. C. C. Baly on the Distillation of Liquid Air, and the 

 Composition of the Gaseous and Liquid Phases. — Part I. 



At Constant Pressure 517 



Mr. G. W. Walker on the Distribution of a Gas in an Elec- 

 trical Field 529 



Lord Rayleigh : Remarks upon the Law of Complete 



Radiation 539 



Messrs. O. Lummer and E. Brodhun: some Observations iu 

 reply to the Paper by Prof. C. G. Knott " On Swan's 



Prism Photometer, etc." , 541 



Drs. J. T. Bottomley and J. C. Beattie on Thermal Radiation 



in Absolute Measure 543 



Dr. G. Gore on the Influence of Proximity of Mass upon 



Electric Conduction-resistance 558 



Mr. M. Solomon on the Damping of Galvanometer Needles . . 559 

 Notices respecting New Books : — 



Riccardo Eelici's Ueber die Mathematische Theorie der 



Elektrodynamischen Induction 570 



Proceedings of the Geological Society: — 



Lieut.-Gen. C. A. McMahon on the Geology of Gilgit . . 571 

 Intelligence and Miscellaneous Articles : — 



Corrections to Professor Perry's Table of Zonal Spherical 

 Harmonics, by C. Coleridge Farr 572 



Index 573 



