﻿CONTENTS 
  OF 
  VOL. 
  XVIII. 
  SIXTH 
  SERIES. 
  Vll 
  

  

  NUMBER 
  CYII.— 
  NOVEMBER. 
  

  

  Page 
  

  

  Prof. 
  O. 
  W. 
  Richardson 
  on 
  the 
  Kinetic 
  Energy 
  o£ 
  the 
  Ions 
  

   emitted 
  by 
  Hot 
  Bodies.— 
  II 
  681 
  

  

  Prof. 
  0. 
  W. 
  Richardson 
  on 
  the 
  Kinetic 
  Theory 
  of 
  Matter 
  . 
  , 
  695 
  

  

  Prof. 
  J. 
  de 
  Kov\alski 
  and 
  Dr. 
  U. 
  J. 
  Rappel 
  on 
  Alternating- 
  

   Current 
  Spark 
  Potentials 
  and 
  their 
  E-elation 
  to 
  the 
  Radius 
  

   of 
  the 
  Curvature 
  of 
  the 
  Electrodes. 
  (Plate 
  XIX.) 
  699 
  

  

  Prof. 
  E. 
  Taylor 
  Jones 
  and 
  Mr. 
  Morris 
  Owen 
  on 
  Musical 
  Arc 
  

   Oscillation 
  in 
  Coupled 
  Circuits. 
  (Plate 
  XX.) 
  713 
  

  

  Mr. 
  G. 
  Green 
  on 
  Elexural 
  Vibrations 
  of 
  Thin 
  Rods 
  722 
  

  

  Mr. 
  J. 
  J. 
  Taudin 
  Chabot 
  on 
  a 
  Gyrodynamical 
  Solution 
  of 
  the 
  

   Problem 
  of 
  the 
  Araagnetic 
  Mariner's 
  Compass. 
  (Plate 
  XXI.) 
  729 
  

  

  Mr. 
  E. 
  Soddy 
  on 
  Multiple 
  Atomic 
  Disintegration 
  : 
  A 
  Sug- 
  

   gestion 
  in 
  Eadioactive 
  Theory 
  739 
  

  

  Mr. 
  W. 
  T. 
  Kennedy 
  on 
  the 
  Active 
  Deposit 
  from 
  Actinium 
  

   in 
  Uniform 
  Electric 
  Eields. 
  (Plate 
  XXII.) 
  744 
  

  

  Prof. 
  E. 
  W. 
  "Wood 
  on 
  Talbot's 
  Eringes 
  and 
  the 
  Echelon 
  

   Grating. 
  (Plate 
  XXIII.) 
  758 
  

  

  Prof. 
  A. 
  Schuster 
  : 
  What 
  is 
  Interference 
  ? 
  A 
  E,ejoinder 
  

   to 
  Professor 
  Wood 
  • 
  767 
  

  

  Mr. 
  T. 
  J. 
  E-ichmond 
  on 
  the 
  Formation 
  of 
  Striae 
  in 
  a 
  Dust- 
  

   Tube 
  by 
  an 
  Electric 
  Discharge. 
  (Plates 
  XXIV.-XXVI.). 
  771 
  

  

  Messrs. 
  A. 
  Campbell 
  and 
  T. 
  Smith 
  on 
  a 
  Method 
  of 
  Testing 
  

   Photographic 
  Shutters. 
  (Plate 
  XXVII.) 
  782 
  

  

  Mr. 
  A. 
  Eagle 
  on 
  the 
  Eorm 
  of 
  the 
  Pulses 
  constituting 
  Eull 
  

   Radiation 
  or 
  White 
  Light 
  787 
  

  

  Mr. 
  A. 
  Campbell 
  on 
  the 
  Measurement 
  of 
  Wave-Length 
  for 
  

   High 
  Frequency 
  Electrical 
  Oscillations. 
  (Plate 
  XXVIII.) 
  794 
  

  

  Dr. 
  A. 
  Eussell 
  and 
  Mr. 
  J. 
  N. 
  Alty 
  on 
  an 
  Electromagcetic 
  

   Method 
  of 
  Studying 
  the 
  Theory 
  of 
  and 
  Solving 
  Algebraical 
  

   Equations 
  of 
  any 
  Degree 
  802 
  

  

  Dr. 
  0. 
  Coleridge 
  Earr 
  and 
  Mr. 
  D. 
  C. 
  A. 
  Elorance 
  on 
  the 
  Eadium 
  

   Content 
  of 
  certain 
  Igneous 
  Eocks 
  from 
  the 
  Sub-Antarctic 
  

   Islands 
  of 
  New 
  Zealand 
  812 
  

  

  Mr. 
  J. 
  A. 
  Gray 
  on 
  the 
  Ultimate 
  Product 
  of 
  the 
  Uranium 
  

  

  Disintegration 
  Series 
  816 
  

  

  Notices 
  respecting 
  New 
  Books 
  : 
  — 
  

  

  Dr. 
  J. 
  C. 
  Beattie's 
  Eeport 
  of 
  a 
  Magnetic 
  Survey 
  of 
  

  

  South 
  Africa 
  818 
  

  

  Proceedings 
  of 
  the 
  Geological 
  Society 
  : 
  — 
  

  

  Prof. 
  W. 
  Morris 
  Davis 
  on 
  Glacial 
  Erosion 
  in 
  North 
  Wales. 
  819 
  

  

  