CONTENTS OF VOL XLIII 



(FIFTH SERIES). 



NUMBER CCLX.— JANUARY 1897. 



Page 

 Prof. A. Schuster's Electrical Notes.— III. On the Magnetic 



Forces acting on Moving Electrified Spheres 1 



■ Mr. W. Sutherland on Boyle's Law at Very Low Pressures . . 11 

 Prof. W. Stroud and Mr. J. B. Henderson on a Satisfactory 

 Method of Measuring Electrolytic Conductivity by means 



of Continuous Currents 19 



Miss Dorothy Marshall on the Heats of Vaporization of 



Liquids at their Boiling-Points 27 



Dr. Charles Davison on an Error in the Method of Deter- 

 mining the Mean Depth of the Ocean from the Velocity 



of Seismic Sea- Waves S3 



Prof. Andrew Gray on the Estimation of " Waste Space round 



the Needle of a Galvanometer " 36 



Dr. E. H. Barton and Mr. Geo. B. Bryan on Absorption 



of Electric Waves along Wires by a Terminal Bridge .... 39 

 Prof. J. G. MacGregor on the Eelation of the Physical 



Properties of Aqueous Solutions to their State of Ionization. 46 

 Prof. J. C. Bose on a complete Apparatus for the Study of 



the Properties of Electric Waves 55 



Notices respecting New Books : — 



Dr. E. Bedell's Principles of the Transformer 69 



Geological Survey of Canada : Annual Report, Vol. VII. 69 

 The Scientific Papers of John Couch Adams. Vol. I. . . 71 

 Proceedings of the Geological Society : — 



Prof. T. G. Bonney on the Sections near the Summit of 



the Eurka Pass (Switzerland) 73 



Dr. T. L. Walker's Geological and Petrographical 



Studies of the Sudbury Nickel District (Canada) .... 73 

 Dr. Charles Davison on the Distribution in Space of the 

 Accessor v Shocks of the Great Japanese Earthquake 



of 1891 75 



On the Action of Rontgen Eays on a Jet of Steam, by Franz 

 Richarz 75 



