﻿INDEX. 
  

  

  981 
  

  

  Chabot 
  (J. 
  J. 
  T.) 
  on 
  a 
  rotating 
  

   earth-inductor 
  without 
  sliding 
  

   contacts, 
  916. 
  

  

  Chattock 
  (Prof. 
  A. 
  P.) 
  on 
  the 
  changes 
  

   of 
  pressure 
  which 
  accompany 
  

   point 
  discharge 
  through 
  hvdrogen, 
  

   24. 
  

  

  Clack 
  (B. 
  W.) 
  on 
  the 
  coefficient 
  oi 
  

   diffusion, 
  863. 
  

  

  Cobalt, 
  on 
  the 
  optical 
  properties 
  of 
  

   films 
  of, 
  857. 
  

  

  Cohen 
  (B. 
  S.) 
  on 
  the 
  production 
  of 
  

   small 
  variable 
  frequency 
  altern- 
  

   ating 
  currents, 
  480. 
  

  

  Colours, 
  on 
  some 
  properties 
  of 
  artists', 
  

   725. 
  

  

  Conductor, 
  on 
  the 
  resistance 
  of 
  a, 
  

   whose 
  breadth 
  suddenly 
  changes, 
  

   734. 
  

  

  Corpuscular 
  theory 
  of 
  the 
  thermo- 
  

   electric 
  forces, 
  on 
  the, 
  767. 
  

  

  Cunningham 
  (E.) 
  on 
  the 
  principle 
  

   of 
  relativity, 
  423. 
  

  

  Deep-sea 
  sediments, 
  on 
  the 
  radium- 
  

   content 
  of, 
  190. 
  

  

  Diffusion, 
  on 
  the 
  coefficient 
  of, 
  863. 
  

  

  Discharge 
  from 
  an 
  electrified 
  point, 
  

   on 
  the, 
  48. 
  

  

  Drysdale 
  (Dr. 
  C. 
  Y.) 
  on 
  the 
  plug 
  

   permeameter, 
  132 
  ; 
  on 
  the 
  use 
  of 
  

   shunts 
  and 
  transformers 
  with 
  

   alternate-current 
  measuring 
  in- 
  

   struments, 
  136; 
  on 
  a 
  vacuum- 
  

   tube 
  model 
  for 
  demonstrating 
  the 
  

   propagation 
  of 
  alternate 
  currents 
  

   in 
  cables, 
  718. 
  

  

  Duddell 
  CSV.) 
  on 
  short 
  spark 
  pheno- 
  

   mena, 
  340. 
  

  

  Dynamical 
  systems, 
  on 
  the 
  inter- 
  

   action 
  of, 
  110. 
  

  

  Earhart 
  (EL 
  F.) 
  on 
  the 
  discharge 
  

   from 
  an 
  electrified 
  point, 
  48. 
  

  

  Earth-inductor, 
  on 
  a 
  rotating, 
  with- 
  

   out 
  sliding 
  contacts, 
  916. 
  

  

  Electric 
  currents, 
  on 
  the 
  production 
  

   of 
  small 
  variable 
  frequency 
  alter- 
  

   nating, 
  480. 
  

  

  discharge 
  through 
  hydrogen, 
  

  

  on 
  the 
  changes 
  of 
  pressure 
  accom- 
  

   panying, 
  24; 
  on 
  the, 
  from 
  an 
  

   electrified 
  point, 
  48 
  ; 
  on 
  the 
  mag- 
  

   netic 
  rotation 
  of, 
  531. 
  

  

  sparks, 
  on 
  the 
  decomposition 
  

  

  of 
  water 
  vapour 
  by, 
  92. 
  

  

  Electrons, 
  on 
  the 
  kinetic 
  energy 
  of 
  

   the 
  negative, 
  emitted 
  by 
  hot 
  

   bodies, 
  353. 
  

  

  Energy, 
  revision 
  of 
  the 
  fundamental 
  

   laws 
  of 
  matter 
  and, 
  705. 
  

  

  Eve 
  (Prof. 
  A. 
  S. 
  ) 
  ou 
  the 
  secondary 
  

   y 
  rays 
  due 
  to 
  the 
  y 
  rays 
  of 
  radium 
  

   C, 
  224 
  ; 
  on 
  the 
  amount 
  of 
  radium 
  

   emanation 
  in 
  the 
  atmosphere, 
  622. 
  

  

  Films 
  of 
  magnetic 
  metals, 
  on 
  the 
  

   optical 
  properties 
  of, 
  833. 
  

  

  Fluorescent 
  absorption, 
  on 
  a 
  method 
  

   of 
  showing, 
  940. 
  

  

  gases, 
  on 
  the 
  emission 
  of 
  polar- 
  

   ized' 
  light 
  by, 
  184. 
  

  

  Force, 
  on 
  periodic 
  nongenerating, 
  of 
  

   high 
  frequency, 
  616. 
  

  

  Gamma 
  rays, 
  on 
  the 
  secondary, 
  due 
  

   to 
  the 
  y 
  rays 
  of 
  radium 
  C, 
  224 
  ; 
  

   on 
  the 
  nature 
  of 
  the, 
  918. 
  

  

  Gaseous 
  ionization 
  and 
  pressure, 
  on, 
  

   879. 
  

  

  Gases, 
  on 
  the 
  emission 
  of 
  polarized 
  

   light 
  by, 
  184; 
  on 
  the 
  genesis 
  of 
  

   ions 
  in. 
  by 
  collision, 
  280 
  ; 
  on 
  the 
  

   nature 
  of 
  the 
  positive 
  ions 
  in. 
  673. 
  

  

  Geological 
  Society, 
  proceedings 
  of 
  

   the^OO, 
  494, 
  703, 
  831. 
  

  

  Gill 
  (E. 
  W. 
  B.) 
  on 
  the 
  genesis 
  of 
  

   ions 
  by 
  collision 
  of 
  positive 
  and 
  

   negative 
  ions 
  in 
  a 
  gas, 
  280. 
  

  

  Glass, 
  on 
  the 
  application 
  of 
  inter- 
  

   ference-fringes 
  to 
  the 
  examination 
  

   of 
  plate, 
  429 
  ; 
  on 
  reflexion 
  from, 
  at 
  

   the 
  polarizing 
  angle, 
  444. 
  

  

  Green 
  (J. 
  F. 
  X.) 
  on 
  the 
  geology 
  of 
  

   the 
  St. 
  David's 
  area, 
  496. 
  

  

  Greenhouse 
  theory, 
  on 
  the, 
  462. 
  

  

  Groom 
  (Dr. 
  T.) 
  on 
  the 
  Bala 
  and 
  

   Llandovery 
  rocks 
  of 
  Glvn 
  Ceiriog, 
  

   831. 
  

  

  Haigh 
  (E.) 
  on 
  orthobaric 
  volumes 
  

   in 
  relation 
  to 
  pressure 
  and 
  tem- 
  

   perature, 
  201. 
  

  

  Hancock 
  (Prof. 
  E. 
  L.) 
  on 
  the 
  re- 
  

   sults 
  of 
  tests 
  of 
  materials 
  under 
  

   combined 
  stresses, 
  720. 
  

  

  Hargreaves 
  (P.) 
  on 
  the 
  interaction 
  

   of 
  dynamical 
  systems, 
  110 
  ; 
  on 
  a 
  

   pressure-integral 
  as 
  kinetic 
  poten- 
  

   tial, 
  436. 
  

  

  Helium, 
  on 
  the 
  genesis 
  of 
  ions 
  in, 
  

   by 
  collision, 
  280; 
  on 
  the 
  pro- 
  

   duction 
  of, 
  from 
  the 
  primary 
  

   radio-elements, 
  513. 
  

  

  Heterogeneous 
  substances, 
  on 
  the 
  

   equilibrium 
  of, 
  818. 
  

  

  Holt 
  (A., 
  jr.) 
  on 
  the 
  decomposition 
  

   of 
  water 
  vapour 
  by 
  electric 
  sparks, 
  

  

  