﻿942 
  

  

  I 
  X 
  D 
  E 
  X. 
  

  

  Mnljijeiix 
  (A. 
  J. 
  C 
  ) 
  on 
  the 
  Karoo 
  

   system 
  in 
  Noi-thel-n 
  Rhodesia, 
  

   439. 
  

  

  More 
  (Prof. 
  L. 
  T.) 
  on 
  theories 
  of 
  

   matter 
  and 
  inass, 
  17 
  ; 
  on 
  tlie 
  local- 
  

   ization 
  of 
  the 
  direction 
  of 
  sounds, 
  

   303. 
  

  

  Morrow 
  (Dr. 
  J.) 
  on 
  the 
  lateral 
  de* 
  

   flexion 
  and 
  vibTatiou 
  of 
  bars, 
  452. 
  

  

  Musical 
  arc 
  oscillations 
  in 
  coupled 
  

   circuits, 
  on, 
  713. 
  

  

  Nicholson 
  (Dr. 
  J. 
  W.) 
  on 
  the 
  rela- 
  

   tion 
  of 
  Airy's 
  integral 
  to 
  the 
  

   Bessel 
  functions, 
  6 
  ; 
  on 
  inductance 
  

   and 
  resistance 
  in 
  telephone 
  and 
  

   other 
  circuits, 
  417, 
  937. 
  

  

  iN'itric 
  oxide, 
  on 
  ionization 
  in, 
  878. 
  

  

  Norman 
  (E. 
  P.j 
  on 
  the 
  discontinuity 
  

   of 
  potential 
  at 
  the 
  surface 
  of 
  

   ^•lowing 
  carbon, 
  229- 
  

  

  Oettinger 
  (E.) 
  on 
  the 
  electromotive 
  

   forces 
  produced 
  by 
  acid 
  and 
  alka- 
  

   line 
  solutions 
  streaming 
  through 
  

   glass 
  capillary 
  tubes, 
  586. 
  

  

  Oscillations 
  in 
  coupled 
  circuits, 
  on 
  

   musical 
  arc, 
  713 
  ; 
  on 
  the 
  measure- 
  

   ment 
  of 
  wave-letigth 
  for 
  high 
  

   frequency 
  electrical, 
  794. 
  

  

  Owen 
  (M.) 
  on 
  muf-ical 
  arc 
  oscillations 
  

   in 
  coupled 
  circuits, 
  713. 
  

  

  OxTS-en, 
  on 
  the 
  ionization 
  of, 
  26, 
  

   878. 
  

  

  Palladium, 
  on 
  the 
  kinetic 
  energy 
  of 
  

   the 
  positive 
  ions 
  emitted 
  from, 
  

   C62. 
  

  

  Paterson 
  (C. 
  C.) 
  on 
  the 
  proposed 
  

   international 
  Unit 
  of 
  candle-power, 
  

   263. 
  

  

  Photogtaphic 
  shutters, 
  on 
  a 
  method 
  

   of 
  testing, 
  782. 
  

  

  Polarization, 
  on 
  the 
  elliptic, 
  produced 
  

   by 
  the 
  transmission 
  of 
  a 
  plane 
  

   P'4arized 
  stream 
  through 
  a 
  plate 
  

   of 
  quartz, 
  195, 
  

  

  Pollock 
  (Prof. 
  J. 
  A.) 
  on 
  the 
  discon- 
  

   tinuity 
  of 
  potential 
  at 
  the 
  surface 
  

   of 
  glowing 
  carbon, 
  229. 
  

  

  Porous 
  plug 
  experiment, 
  on 
  the, 
  159. 
  

  

  Positive 
  electricity, 
  on, 
  82L 
  

  

  •— 
  — 
  ions 
  emitted 
  from 
  hot 
  bodies, 
  

   on 
  the 
  kinetic 
  energy 
  of 
  the, 
  649. 
  

  

  * 
  Ynjs, 
  on 
  the 
  Dcppler 
  effect 
  in, 
  

  

  895. 
  

  

  Potassium, 
  oU 
  the 
  anomalous 
  dis- 
  

   persion 
  of 
  the 
  vapour 
  of, 
  407. 
  

  

  chlorate 
  crystals, 
  on 
  interfere 
  

  

  ence 
  phenomena 
  ^, 
  535. 
  

  

  Potential, 
  on 
  the 
  discontinuity 
  of, 
  

   at 
  the 
  surface 
  of 
  glowing 
  carbon, 
  

   229. 
  

  

  Potentials, 
  on 
  alternating 
  current 
  

   spark, 
  and 
  their 
  relation 
  to 
  the 
  

   radius 
  of 
  curvature 
  of 
  the 
  elec- 
  

   trodes, 
  699. 
  

  

  Poynting 
  (Prof. 
  J. 
  H.) 
  on 
  a 
  method 
  

   of 
  determining 
  the 
  sensibility 
  of 
  a 
  

   balance, 
  132." 
  

  

  Pulses 
  constituting 
  white 
  light, 
  on 
  

   the 
  form 
  of 
  the, 
  787. 
  

  

  Quartz, 
  on 
  the 
  elliptic 
  polarization 
  

   produced 
  by 
  the 
  transmission 
  of 
  a 
  

   plane 
  polarized 
  stream 
  through 
  a 
  

   plate 
  of 
  quartz, 
  195. 
  

  

  Rack-nnd-pinion 
  gears, 
  on 
  a 
  device 
  

   to 
  prevent 
  bacldash 
  in, 
  336. 
  

  

  Radiation, 
  on, 
  in 
  a 
  perfectly 
  reflect- 
  

   ing 
  enclosure, 
  209. 
  

  

  R.idioactive 
  minerals 
  in 
  common 
  

   rocks, 
  on, 
  677. 
  

  

  theory, 
  a 
  suggestion 
  in, 
  739. 
  

  

  Radioactivity 
  of 
  certain 
  lavas, 
  on 
  

   the, 
  577. 
  

  

  Radium, 
  on 
  the 
  amount 
  of, 
  present 
  

   in 
  sea- 
  water, 
  102, 
  396; 
  on 
  the 
  

   atomic 
  weight 
  of, 
  411 
  ; 
  on 
  the 
  y 
  

   rays 
  of, 
  629 
  ; 
  on 
  the 
  amount 
  of, 
  

   present 
  in 
  igneous 
  rocks 
  from 
  New 
  

   Zealand, 
  812 
  ; 
  on 
  the 
  relation 
  

   between 
  uranium 
  and, 
  846 
  ; 
  on 
  the 
  

   scattering 
  of 
  the 
  jS 
  rays 
  of, 
  901. 
  

  

  rays, 
  on 
  the 
  conductivity 
  of 
  

  

  dielectrics 
  under 
  the 
  action 
  of, 
  252. 
  

  

  Ranclaud 
  (A. 
  B. 
  B.) 
  on 
  the 
  discon- 
  

   tinuity 
  of 
  potential 
  at 
  the 
  surface 
  

   of 
  flowing 
  carbon, 
  229. 
  

  

  Rappel 
  (Dr. 
  U. 
  J.) 
  on 
  alternating 
  

   current 
  spark 
  potentials 
  and 
  their 
  

   relation 
  to 
  the 
  radius 
  of 
  curvature 
  

   of 
  the 
  electrodes, 
  699. 
  

  

  Rayleigh 
  (i^ord) 
  on 
  the 
  instantaneous 
  

   propagation 
  of 
  disturbance 
  in 
  a 
  

   dispersive 
  medium, 
  1 
  ; 
  on 
  the 
  re- 
  

   sistance 
  due 
  to 
  obliquely 
  moving 
  

   waves 
  and 
  its 
  dependence 
  on 
  the 
  

   form 
  of 
  the 
  fore-part 
  of 
  a 
  ship, 
  

   414. 
  

  

  Reactions, 
  on 
  the 
  velocity 
  of 
  mole- 
  

   cular 
  and 
  chemical, 
  in 
  hetero- 
  

   geneous 
  systems, 
  538. 
  

  

  Reflexion, 
  on 
  the 
  selective, 
  of 
  raono- 
  

   chiomatic 
  light 
  by 
  mercury 
  va- 
  

   pour, 
  187 
  ; 
  on 
  the, 
  of 
  light 
  at 
  an 
  

   ideal 
  plane 
  mirror 
  moving 
  with 
  

   Uniform 
  velocity, 
  890. 
  

  

  