xii CONTENTS 



CHAP. PAQE 



XIX. RADIATION FROM A KING OF ELECTRONS, AND 

 ITS BEARING ON THE CONSTITUTION OF AN 



ATOM, - - - - 181 



Instability of an Atom, 183 



. Cosmic Analogy, 185 



Another Account of Atomic Instability, - - 185 



Electric Theory of Matter, 186 



XX. DIFFICULTIES CONNECTED WITH THE ELECTRIC 



THEORY OF MATTER, 188 



1. Concerning the Formation of Spectrum Lines, 188 



2. Attempt to determine the Number of Effec- 



tive Corpuscles in an Atom, - - - 192 



XXI. VALIDITY OF OLD VIEWS OF ELECTRICAL 



PHENOMENA, 195 



Number of Ions in Conductors, - - - - 198 



Conclusion, 200 



APPENDICES 



A. CALCULATION OF THE INERTIA OF AN ELECTRIC CHARGE, - 204 



B. THE ELECTRIC FIELD DUE TO A MOVING MAGNET, - - 207 



C. ON ELECTRICITY AND GRAVITATION AND DIMENSIONS, - 209 



D. DIMENSIONS OF SJM RATIO, - -.- - - -211 



E. ELECTRIC SATURATION, ETC., - - - - - 212 



F. SIZE OF ORBIT OF RADIATING ELECTRON, - - - - 213 



G. THE RADIATING POWER OF A REVOLVING ELECTRON, - 214 

 H. FARADAY'S. PROPHETIC NOMENCLATURE, - - - - 217 



J. ON THE /2-RAYS FROM RADIUM, 219 



K. NOTE ON THE BEHAVIOUR OF A CHARGE MOVING NEARLY 



AT THE SPEED OF LIGHT, - - - - - 221 



L. DISTORTION DUE TO HIGH-SPEED MOTION THROUGH THE 



ETHER, - 226 



M. CONSTITUTION OF ELECTRONS, 227 



