﻿Vlll 
  CONTENTS 
  OF 
  VOL. 
  XVIII. 
  SIXTH 
  SERIES. 
  

  

  NUMBER 
  CVIII.— 
  DECEMBER. 
  

  

  Page 
  

  

  Sir 
  J. 
  J. 
  Thomson 
  on 
  Positive 
  Electricity 
  821 
  

  

  Mr. 
  E. 
  Soddy 
  on 
  the 
  Relation 
  between 
  Uranium 
  and 
  

  

  Radium.— 
  IV 
  846 
  

  

  Mr. 
  E. 
  Soddy 
  on 
  the 
  Rays 
  and 
  Product 
  of 
  Uranium 
  X 
  .... 
  858 
  

   Messrs. 
  W. 
  P. 
  Euller 
  and 
  H. 
  G-race 
  on 
  the 
  Effect 
  of 
  Tempera- 
  

   ture 
  on 
  the 
  Hysteresis 
  Loss 
  in 
  Iron 
  in 
  a 
  Rotating 
  Eield 
  . 
  . 
  866 
  

   Dr. 
  C. 
  V. 
  Burton 
  on 
  the 
  Apparent 
  Dispersion 
  of 
  Light 
  in 
  

  

  Space, 
  and 
  the 
  Minuteness 
  of 
  Structure 
  of 
  the 
  .^ther 
  .... 
  872 
  

   Mr. 
  E. 
  Parr 
  Metcalfe 
  on 
  Ionization 
  in 
  various 
  Gases. 
  

  

  (Plate 
  XXIX.) 
  .^ 
  878 
  

  

  Mr. 
  H. 
  Bateraan 
  on 
  the 
  Reflexion 
  of 
  Light 
  at 
  an 
  Ideal 
  Plane 
  

  

  Miri'or 
  moving 
  with 
  a 
  Uniform 
  Velocity 
  of 
  Translation 
  . 
  . 
  890 
  

   Mr. 
  T. 
  Royds 
  on 
  the 
  Doppler 
  Effect 
  in 
  Positive 
  Rays 
  in 
  

  

  Hydrogen 
  895 
  

  

  Dr. 
  R. 
  D. 
  Kleeman 
  on 
  some 
  Relations 
  between 
  the 
  Critical 
  

  

  Constants 
  and 
  certain 
  Quantities 
  connected 
  with 
  Capillarity. 
  901 
  

   Dr. 
  J. 
  P. 
  V. 
  Madsen 
  on 
  the 
  Scattering 
  of 
  the 
  /3 
  Rays 
  of 
  

  

  Radium. 
  (Plate 
  XXX.) 
  909 
  

  

  Dr. 
  J. 
  VV. 
  McBain 
  on 
  the 
  Mechanism 
  of 
  the 
  Adsorption 
  

  

  (" 
  Sorption 
  ") 
  of 
  Hydrogen 
  by 
  Carbon 
  916 
  

  

  Proceedings 
  of 
  the 
  Geological 
  Society 
  : 
  — 
  

  

  Mr. 
  H. 
  Dewey 
  on 
  Overthrusts 
  at 
  Tintagel(N. 
  Cornwall). 
  935 
  

   Mr. 
  J. 
  B. 
  Scrivener 
  on 
  the 
  ' 
  Lahat 
  ' 
  Pipe 
  : 
  A 
  Description 
  

  

  of 
  a 
  Tin-Ore 
  Deposit 
  in 
  Perak 
  . 
  . 
  , 
  c 
  936 
  

  

  Mr. 
  G. 
  Clinch 
  on 
  the 
  Sculptures 
  of 
  the 
  Chalk 
  Downs 
  in 
  

  

  Kent, 
  Surrey, 
  and 
  Sussex 
  936 
  

  

  Intelligence 
  and 
  Miscellaneous 
  Articles 
  : 
  — 
  

  

  Corrections 
  in 
  Papers 
  by 
  Dr. 
  J. 
  "W. 
  Nicholson 
  and 
  

   Mr. 
  J 
  . 
  A. 
  Gray 
  937 
  

  

  Index 
  938 
  

  

  