﻿VI 
  CONTENTS 
  OF 
  VOL. 
  XVI. 
  SIXTH 
  SERIES. 
  

  

  Page 
  

  

  Prof. 
  J. 
  J. 
  Thomson 
  on 
  Positive 
  Eays 
  657 
  

  

  Prof. 
  W. 
  H. 
  Bragg 
  and 
  Mr. 
  J. 
  P. 
  V. 
  Madsen 
  on 
  the 
  Quality 
  

  

  of 
  the 
  Secondary 
  Ionization 
  due 
  to 
  /3 
  Pays 
  ... 
  692 
  

  

  Prof. 
  J. 
  Trowbridge 
  on 
  Positive 
  Eays 
  697 
  

  

  Notices 
  respecting 
  New 
  Books 
  : 
  — 
  

  

  Dr. 
  P. 
  Haber's 
  Thermodynamics 
  of 
  Technical 
  Gas 
  

  

  Eeactions 
  702 
  

  

  Proceedings 
  of 
  the 
  Geological 
  Society: 
  — 
  

  

  The 
  Rev. 
  E. 
  C. 
  Spicer 
  on 
  Solution- 
  Valleys 
  in 
  the 
  Glyme 
  

  

  Area 
  of 
  Oxfordshire 
  703 
  

  

  Mr. 
  A. 
  P. 
  Young 
  on 
  the 
  Stratigraphy 
  and 
  Structure 
  of 
  

   the 
  Tarnthal 
  Mass 
  (Tyrol) 
  ". 
  704 
  

  

  NUMBER 
  XCV.— 
  NOVEMBER. 
  

  

  Prof. 
  G. 
  N. 
  Lewis 
  : 
  A 
  Eevision 
  of 
  the 
  Fundamental 
  Laws 
  

  

  of 
  Matter 
  and 
  Energy 
  705 
  

  

  Dr. 
  C. 
  Y. 
  Drysdale 
  on 
  a 
  Vacuum-Tube 
  Model 
  for 
  Demon- 
  

   strating 
  the 
  Propagation 
  of 
  Alternate 
  Currents 
  in 
  Cables. 
  

  

  (Plates 
  XXII. 
  & 
  XXIII.) 
  , 
  ...... 
  . 
  718 
  

  

  Prof. 
  E. 
  L. 
  Hancock 
  : 
  Results 
  of 
  Tests 
  of 
  Materials 
  

  

  subjected 
  to 
  Combined 
  Stresses 
  720 
  

  

  Mr. 
  H. 
  E. 
  Watson 
  on 
  some 
  Properties 
  of 
  Artists' 
  Colours 
  . 
  . 
  725 
  

   Prof. 
  C. 
  H. 
  Lees 
  on 
  the 
  Eesistance 
  of 
  a 
  Conductor 
  of 
  Uniform 
  

  

  Thickness 
  whose 
  Breadth 
  suddenly 
  changes, 
  and 
  on 
  the 
  

  

  Shapes 
  of 
  the 
  Stream-Lines 
  in 
  the 
  immediate 
  neighbourhood. 
  784 
  

   Prof. 
  O. 
  VV. 
  Richardson 
  on 
  the 
  Specific 
  Charge 
  of 
  the 
  Ions 
  

  

  emitted 
  by 
  Hot 
  Bodies 
  , 
  740 
  

  

  Dr. 
  J. 
  Kunz 
  on 
  the 
  Corpuscular 
  Theory 
  of 
  the 
  Thermoelectric 
  

  

  Eorces 
  , 
  707 
  

  

  Mr. 
  T. 
  H. 
  Laby 
  : 
  A 
  Recalculation 
  of 
  the 
  Vapour 
  Pressure 
  

  

  of 
  Mercury 
  789 
  

  

  Dr. 
  G. 
  Johnstone 
  Stone 
  v 
  on 
  Telescopic 
  Vision. 
  — 
  Part 
  II. 
  

  

  (Plate 
  XII.) 
  ". 
  796 
  

  

  Prof. 
  E. 
  Rutherford 
  and 
  Mr. 
  T. 
  Royds 
  on 
  the 
  Action 
  of 
  the 
  

  

  Radium 
  Emanation 
  upon 
  Water 
  812 
  

  

  Prof. 
  J. 
  Clerk 
  Maxwell 
  on 
  the 
  Equilibrium 
  of 
  Heterogeneous 
  

  

  Substances 
  (1876) 
  818 
  

  

  Dr. 
  H. 
  Wilde 
  on 
  the 
  Atomic 
  Weight 
  of 
  Radium 
  and 
  other 
  

  

  Elementary 
  Substances 
  824 
  

  

  Notices 
  respecting 
  New 
  Books 
  : 
  — 
  

  

  J. 
  H, 
  Jeans' 
  The 
  Mathematical 
  Theory 
  of 
  Electricity 
  

  

  and 
  Magnetism 
  830 
  

  

  Proceedings 
  of 
  the 
  Geological 
  Society 
  : 
  — 
  

  

  Dr. 
  T. 
  Groom 
  and 
  Mr. 
  P. 
  Lake 
  on 
  the 
  Bala 
  and 
  Llando- 
  

   very 
  Rocks 
  of 
  Glyn 
  Ceiriog 
  (North 
  Wales) 
  831 
  

  

  