﻿INDEX. 
  

  

  941 
  

  

  Joly 
  (Prof. 
  J.) 
  on 
  the 
  distributiou 
  of 
  

   thorium 
  in 
  the 
  earth's 
  surface 
  

   materials, 
  140 
  ; 
  on 
  the 
  radium 
  

   content 
  of 
  sea- 
  water, 
  396 
  ; 
  on 
  tlie 
  

   radioactivity 
  of 
  certain 
  lavas, 
  577. 
  

  

  Jones 
  (Prof. 
  E, 
  T.) 
  on 
  musical 
  arc 
  os- 
  

   cillations 
  in 
  coupled 
  circuits, 
  713. 
  

  

  Kendall 
  (Rev. 
  H. 
  G. 
  O.) 
  on 
  palae- 
  

   olithic 
  instruments 
  from 
  Wilt- 
  

   shire, 
  433. 
  

  

  Kennedy 
  (W. 
  T.) 
  on 
  the 
  active 
  de- 
  

   posit 
  from 
  actinium 
  in 
  uniform 
  

   electric 
  fields, 
  744. 
  

  

  Kinetic 
  energy 
  of 
  the 
  ions 
  emitted 
  

   from 
  hot 
  bodies, 
  on 
  the, 
  (>49, 
  681. 
  

  

  theorv 
  of 
  matter, 
  on 
  the, 
  695. 
  

  

  Kleemau 
  (Dr. 
  R. 
  D.) 
  on 
  the 
  deter- 
  

   mination 
  of 
  a 
  constant 
  in 
  capil- 
  

   larity, 
  39 
  ; 
  on 
  some 
  relations 
  in 
  

   capillarity, 
  491 
  : 
  on 
  relations 
  be- 
  

   tween 
  the 
  critical 
  constants 
  and 
  

   quantities 
  connected 
  with 
  capil- 
  

   lariti, 
  901. 
  

  

  Konig's 
  theory 
  of 
  the 
  ripple 
  forma- 
  

   tion 
  in 
  Kundt's 
  tube 
  experiment, 
  

   on, 
  180. 
  

  

  Kowalski 
  (Prof. 
  J. 
  de) 
  on 
  altern.itin?- 
  

   current 
  .<!park 
  potentials 
  and 
  their 
  

   relation 
  to 
  the 
  radius 
  of 
  curvature 
  

   of 
  the 
  electrodes, 
  699. 
  

  

  Krypton, 
  on 
  the 
  amount 
  of, 
  in 
  fer- 
  

   pusonite, 
  074. 
  

  

  Lattey 
  (R. 
  T.) 
  on 
  the 
  ionization 
  of 
  

   electrolytic 
  oxygen, 
  29. 
  

  

  Lavas, 
  on 
  the 
  radioactiviiy 
  of 
  certain, 
  

   577. 
  

  

  Lees 
  (Dr. 
  C. 
  H.) 
  on 
  Vaschy's 
  or 
  

   Pirani's 
  method 
  of 
  comparing 
  the 
  

   self-inductance 
  of 
  a 
  coil 
  with 
  the 
  

   capacity 
  of 
  a 
  condenser, 
  432. 
  

  

  Lewis 
  (G. 
  N.) 
  on 
  the 
  principle 
  of 
  

   relativity 
  and 
  non 
  - 
  Newtonian 
  

   mechanics, 
  510. 
  

  

  on 
  the 
  selective 
  reflexion 
  of 
  

   monochromatic, 
  by 
  mercury 
  va- 
  

   pour, 
  187 
  ; 
  on 
  the 
  international 
  

   unit 
  of, 
  263 
  ; 
  on 
  the 
  form 
  of 
  the 
  

   pulses 
  constituting 
  white, 
  787 
  ; 
  

   on 
  the 
  apparent 
  dispersion 
  of, 
  in 
  

   space, 
  872 
  ; 
  on 
  the 
  reflexion 
  of, 
  

   at 
  a 
  plane 
  mirror 
  moving 
  with 
  

   uniform 
  velocity, 
  890. 
  

  

  Lithium, 
  on 
  the 
  anomalous 
  disper- 
  

   sion 
  of 
  the 
  vapour 
  of, 
  407. 
  

  

  Lowry 
  (Dr. 
  T. 
  ,M.) 
  on 
  the 
  method 
  

  

  Light 
  

  

  Lyle 
  (Prof. 
  T. 
  R.) 
  on 
  the 
  theory 
  of 
  

   the 
  alternate 
  current 
  generator, 
  45, 
  

  

  McBain 
  (Dr. 
  J. 
  W.) 
  on 
  the 
  mechan- 
  

   ism 
  of 
  the 
  adsorption 
  (" 
  sorption 
  '^ 
  

   of 
  hydrogen 
  by 
  carbon, 
  916. 
  

  

  Madse'n 
  (Dr. 
  J. 
  P. 
  V.) 
  on 
  the 
  scatter- 
  

   ing 
  of 
  the 
  /3 
  rays 
  of 
  radium, 
  909. 
  

  

  Magnetic 
  deflexicm 
  of 
  the 
  Canal- 
  

   strahlen, 
  on 
  a 
  method 
  of 
  measuring 
  

   the 
  effective 
  magnetic 
  held 
  in 
  the, 
  

   844. 
  

  

  rotation 
  in 
  iron 
  cathode 
  films, 
  

  

  on, 
  74 
  ; 
  of 
  mercury 
  vapour, 
  on 
  

  

  apour. 
  

  

  on 
  

   of 
  producing 
  an 
  intense 
  cadmium 
  

   .spectrum, 
  320. 
  

  

  r/iil. 
  Mag, 
  S. 
  6. 
  Vol. 
  18. 
  No. 
  108. 
  J)ec. 
  1909. 
  

  

  the, 
  249 
  ; 
  of 
  sodium 
  v 
  

   the, 
  530. 
  

  

  Magnetometer, 
  on 
  an 
  improved 
  form 
  

   of, 
  148. 
  

  

  Malac'one, 
  on 
  the 
  amount 
  of 
  argon 
  

   in, 
  672. 
  

  

  Martin 
  (E. 
  A.) 
  on 
  the 
  Brighton 
  

   cliff- 
  formation, 
  437. 
  

  

  Matter 
  and 
  mass, 
  on 
  theories 
  of, 
  

   17 
  ; 
  on 
  the 
  kinetic 
  theory 
  of, 
  

   695. 
  

  

  Mechanics, 
  on 
  the 
  principle 
  of 
  rela- 
  

   tivity 
  and 
  non-Newtonian, 
  510. 
  

  

  Mercury, 
  on 
  the 
  use 
  of, 
  as 
  a 
  standard 
  

   in 
  refractometry, 
  320 
  ; 
  on 
  the 
  

   structure 
  of 
  the 
  green 
  line 
  of, 
  

   371. 
  

  

  vapour, 
  on 
  the 
  selective 
  re- 
  

   flexion 
  of 
  monochromatic 
  light 
  by, 
  

   387; 
  on 
  the 
  absorption, 
  magnetic 
  

   rotation, 
  and 
  anomalous 
  dispersion 
  

   of, 
  240. 
  

  

  waves, 
  on 
  the 
  damping 
  of, 
  

  

  194. 
  

  

  Metallic 
  vapours, 
  on 
  anomalous 
  dis- 
  

   persion 
  by, 
  407. 
  

  

  Metals, 
  on 
  the 
  retardation 
  of 
  alpha 
  

   rays 
  by, 
  604. 
  

  

  Metcalfe 
  (E. 
  P.) 
  on 
  ionization 
  in 
  

   various 
  gases, 
  878. 
  

  

  Methane, 
  on 
  ionization 
  in, 
  878. 
  

  

  Milne 
  (Dr. 
  J. 
  R.) 
  on 
  a 
  device 
  to 
  

   prevent 
  backlash 
  in 
  toothed 
  wheels 
  

   and 
  rack-and-pinion 
  gears, 
  336. 
  

  

  Minerals, 
  on 
  the 
  heavier 
  teases 
  of 
  

   the 
  helium 
  group 
  in, 
  672: 
  ou 
  

   radioactive, 
  in 
  common 
  rock^", 
  

   677. 
  

  

  Mirror, 
  on 
  the 
  reflexion 
  of 
  light 
  at 
  

   an 
  ideal 
  plane, 
  moving 
  with 
  uni- 
  

   form 
  velocity, 
  890. 
  

  

  Molecular 
  reactions, 
  on 
  the 
  velocity 
  

   of, 
  in 
  heterogeneous 
  systems, 
  

   538. 
  ^ 
  

  

  3S 
  

  

  