﻿IV 
  CONTENTS 
  OF 
  VOL. 
  XVIII. 
  SIXTH 
  SERIES. 
  

  

  Page 
  

   Prof. 
  E. 
  W. 
  Wood 
  on 
  the 
  Selective 
  Eeflexion 
  of 
  Mono- 
  

  

  cliromatic 
  Light 
  by 
  Mercury 
  Vapour. 
  (Plate 
  III.) 
  187 
  

  

  Prof. 
  K. 
  W. 
  Wood 
  on 
  the 
  Damping 
  of 
  Mercury 
  Waves 
  .... 
  194 
  

  

  Mr. 
  James 
  Walker 
  on 
  the 
  Elliptic 
  Polarization 
  produced 
  by 
  

  

  the 
  Direct 
  Transmission 
  of 
  a 
  Plane 
  Polarized 
  Stream 
  through 
  

  

  a 
  Plate 
  of 
  Quartz, 
  cut 
  in 
  a 
  Direction 
  oblique 
  to 
  the 
  Optic 
  

  

  Axis, 
  with 
  a 
  Method 
  of 
  Determining 
  the 
  Error 
  ol: 
  a 
  Plate 
  

  

  supposed 
  to 
  be 
  Perpendicular 
  to 
  the 
  Axis 
  195 
  

  

  Mr. 
  E. 
  W. 
  Forsyth 
  on 
  the 
  Effect 
  of 
  Temperature 
  on 
  the 
  Eate 
  

  

  of 
  Production 
  of 
  Uranium 
  X 
  207 
  

  

  Prof. 
  J. 
  H. 
  Jeans 
  on 
  the 
  Motion 
  of 
  Electrons 
  in 
  Solids. 
  — 
  

  

  Part 
  II 
  209 
  

  

  Notices 
  respecting 
  'New 
  Books 
  : 
  — 
  

  

  H. 
  Bouasse's 
  Cours 
  de 
  Physique 
  227 
  

  

  J. 
  Newton 
  Friend's 
  The 
  Theory 
  of 
  Valency 
  2i: 
  

  

  Transactions 
  of 
  the 
  International 
  Union 
  for 
  Co-operation 
  

  

  in 
  Solar 
  Eesearch 
  228 
  

  

  Intelligence 
  and 
  Miscellaneous 
  Articles 
  : 
  — 
  

  

  Influence 
  of 
  Grravity 
  upon 
  a 
  Binary 
  Solution, 
  by 
  L.Vegard 
  228 
  

  

  NUMBEE 
  OIV.— 
  AUGUST. 
  

  

  Messrs. 
  J. 
  A. 
  Pollock, 
  A. 
  B. 
  B. 
  Eanclaud, 
  and 
  E. 
  P. 
  Norman 
  

   on 
  the 
  Discontinuity 
  of 
  Potential 
  at 
  the 
  Surface 
  of 
  Glowing 
  

   Carbon 
  229 
  

  

  Prof. 
  E. 
  H. 
  Barton 
  and 
  Mr. 
  T. 
  J. 
  Eichmond 
  on 
  the 
  Vibration 
  

   Curves 
  of 
  Violin 
  G 
  String 
  and 
  Belly. 
  (Plates 
  IV.-VI.) 
  . 
  . 
  233 
  

  

  Prof. 
  E. 
  W. 
  Wood 
  on 
  the 
  Absorption, 
  Fluorescence, 
  Magnetic 
  

   Eotation, 
  and 
  Anomalous 
  Dispersion 
  of 
  Mercury 
  Vapour 
  

   (Plates 
  VII. 
  & 
  VIII.) 
  ! 
  240 
  

  

  Prof. 
  E. 
  W. 
  Wood 
  on 
  the 
  Flow 
  of 
  Energy 
  in 
  a 
  System 
  of 
  

   Interference 
  Fringes. 
  (Plate 
  VIII. 
  fig. 
  3.) 
  250 
  

  

  Mr. 
  B. 
  Hodgson 
  on 
  the 
  Conductivity 
  of 
  Dielectrics 
  under 
  the 
  

   Action 
  of 
  Eadium 
  Eays 
  252 
  

  

  Mr. 
  A. 
  L. 
  Hodges 
  on 
  the 
  Psychological 
  Accommodation 
  of 
  

   the 
  Lenses 
  of 
  the 
  Eye. 
  (Plate 
  IX.) 
  259 
  

  

  Mr. 
  Eichard 
  Hosking 
  on 
  the 
  Viscosity 
  of 
  Water 
  260 
  

  

  Mr. 
  Clifford 
  C 
  Paterson 
  on 
  the 
  Proposed 
  International 
  Unit 
  

   of 
  Candle 
  Power 
  263 
  

  

  Dr. 
  A. 
  S. 
  Eve 
  on 
  Primary 
  and 
  Secondary 
  Gamma 
  Eays 
  .... 
  275 
  

  

  Dr. 
  Alexander 
  Eussell 
  and 
  Mr. 
  Arthur 
  Wright 
  on 
  the 
  Arthur 
  

   Wright 
  Electrical 
  Device 
  for 
  evaluating 
  Formulae 
  and 
  

   solving 
  Equations 
  291 
  

  

  Prof. 
  Louis 
  T. 
  More 
  on 
  the 
  Localization 
  of 
  the 
  Direction 
  of 
  

   Sounds 
  308 
  

  

  