CONTENTS OF VOL. II 



(SIXTH SERIES). 



NUMBER VII.— JULY 1901. 



Page 



Lord Kelvin on Nineteenth Century Clouds over the Dyna- 

 mical Theory of Heat and Light 1 



Prof. C. Barus on the Absorption of the Ionized Phosphorus 

 Emanation in Tubes 40 



Dr. M. AVilderman on the Velocity of Reaction before Com- 

 plete Equilibrium and before the Point of Transition, &c. — 

 Part I. (Plates I. & II.) 50 



Miss H. Brooks on the Damping of the Oscillations in the 

 Discharge of a Leyden-jar 92 



Mr. H. Hilton's Further Note on van der Wnals' Equa- 

 tion 108 



Prof. S. P. Langley on the New Spectrum. (Plate III.) 119 



Mr. J. Rose-lnnes on the Practical Attainment of the Ther- 

 modynamic Scale of Temperature 130 



Dr. H. A. Wilson on the Magnetic Effect of Electric Con- 

 vection, and on Rowland's and Cremieu's Experiments . . 144 



Notices respecting New Books : — 



J. A. Ewing's Magnetic Induction in Iron and other 



Metals 150 



La Rivista Tecnica delle Scienze, delle Arti applicate 

 all' Industria e dell' Insegnamento Industriale 151 



Proceedings of the Geological Society , . . 151-160 



On the Absorption of Gas in a Crookes Tube, by R. S. 

 Willows 160 



