﻿I 
  X 
  D 
  E 
  X. 
  

  

  943 
  

  

  Hefractometvy, 
  on 
  tlie 
  use 
  of 
  nierciirv 
  

   and 
  cadmium 
  as 
  standards 
  in, 
  1120. 
  

  

  Relativity, 
  on 
  the 
  principle 
  of, 
  and 
  

   non-Newtonian 
  mechanics, 
  510. 
  

  

  Ke^^istance 
  in 
  telephone 
  and 
  other 
  

   circuits, 
  on, 
  417. 
  

  

  Eichavdson 
  (Prof. 
  0. 
  W.) 
  on 
  the 
  

   kinetic 
  energy 
  of 
  the 
  ions 
  emitted 
  

   by 
  hot 
  bodies, 
  681 
  ; 
  on 
  the 
  kinetic 
  

   theory 
  of 
  matter, 
  695. 
  

  

  llichuMnd 
  (T. 
  J.) 
  on 
  the 
  vibration 
  

   curves 
  of 
  violin 
  G 
  string 
  and 
  belly, 
  

   233; 
  on 
  the 
  formation 
  of 
  striae 
  in 
  

   a 
  dust-tube 
  by 
  an 
  electric 
  dis- 
  

   charge, 
  771. 
  

  

  Ripple 
  formntion 
  in 
  Kundt's 
  tube 
  

   experiment, 
  on 
  Konig's 
  theory 
  of 
  

   the, 
  180. 
  

  

  Robinson 
  (J.) 
  on 
  Konig's 
  theoiy 
  of 
  

   the 
  ripple 
  formation 
  in 
  Kundl's 
  

   tube 
  experiment, 
  180. 
  

  

  Rocks, 
  on 
  radioactive 
  minerals 
  in 
  

   common, 
  677 
  : 
  on 
  the 
  radium 
  

   content 
  of 
  igneous, 
  from 
  New 
  

   Zealand, 
  812. 
  

  

  Rods, 
  on 
  fiexural 
  vibrations 
  of 
  thin, 
  

   722. 
  

  

  Ross 
  (A. 
  D.) 
  on 
  an 
  improved 
  form 
  

   of 
  magnetometer, 
  148. 
  

  

  Royds 
  (T.) 
  on 
  the 
  Doppler 
  effect 
  in 
  

   positive 
  ravs 
  in 
  hvdrogen, 
  89o. 
  

  

  Eudge 
  (Prof. 
  W. 
  ^\. 
  U.) 
  on 
  the 
  

   porous 
  plug 
  experiment, 
  159. 
  

  

  Russell 
  (Dr. 
  A.) 
  on 
  an 
  electrical 
  de- 
  

   vice 
  for 
  evaluating 
  formuhe 
  and 
  

   solving 
  equations, 
  291 
  ; 
  on 
  an 
  

   electromagnetic 
  method 
  of 
  study- 
  

   ing 
  the 
  theory 
  of 
  and 
  solving 
  

   algebraical 
  equations, 
  802. 
  

  

  Russell 
  (A. 
  S.) 
  on 
  the 
  y 
  rays 
  of 
  

   uranium 
  and 
  radium, 
  620. 
  

  

  Sidler 
  (C. 
  A.) 
  on 
  the 
  transformations 
  

   of 
  X-rays, 
  107. 
  

  

  Schuster 
  (Prof. 
  A.) 
  on 
  the 
  definition 
  

   of 
  interference. 
  767. 
  

  

  Scrivenor 
  (J. 
  B.) 
  on 
  the 
  Lahat 
  

   ' 
  pipe/ 
  936. 
  

  

  Sea-w 
  ater, 
  on 
  the 
  amount 
  of 
  radium 
  

   present 
  in, 
  102, 
  396. 
  

  

  Self-induction 
  of 
  a 
  coil, 
  on 
  Vaschy's 
  

   or 
  Pirani's 
  method 
  of 
  comparing 
  

   the, 
  with 
  the 
  capacity 
  of 
  a 
  con- 
  

   denser, 
  432. 
  

  

  Ship, 
  on 
  the 
  resistance 
  due 
  to 
  ob- 
  

   liquely 
  moving 
  waves 
  and 
  it- 
  

   dependence 
  on 
  the 
  form 
  of 
  the 
  

   fore-part 
  of 
  a, 
  41 
  1. 
  

  

  Shutters, 
  on 
  a 
  method 
  of 
  testing 
  

  

  photographic, 
  782. 
  

   Silver, 
  on 
  the 
  kinetic 
  energy 
  of 
  

  

  the 
  positive 
  ions 
  emitted 
  from, 
  

  

  662. 
  

   Smith 
  (T.) 
  on 
  a 
  method 
  of 
  testing 
  

  

  photographic 
  shutters, 
  782. 
  

   Soddy 
  (F. 
  ) 
  on 
  the 
  -y 
  rays 
  of 
  uranium 
  

  

  and 
  radium, 
  620; 
  on 
  multiple 
  

  

  atomic 
  disintegration, 
  739 
  ; 
  on 
  

  

  the 
  relation 
  between 
  uranium 
  

  

  and 
  radium, 
  846; 
  on 
  the 
  rays 
  and 
  

  

  product 
  of 
  uranium 
  X, 
  858. 
  

   Sodium 
  vapour, 
  on 
  the 
  ultra-violet 
  

  

  absorption, 
  fluorescence, 
  and 
  mag- 
  

   netic 
  rotation 
  of, 
  530. 
  

   Solids, 
  on 
  the 
  motion 
  of 
  electrons 
  

  

  in, 
  209. 
  

   Solutions, 
  on 
  the 
  influence 
  of 
  gravity 
  

  

  on 
  binary, 
  228, 
  340; 
  on 
  the 
  

  

  electromotive 
  forces 
  produced 
  by, 
  

  

  streaming 
  through 
  glass 
  capillary 
  

  

  tubes, 
  586. 
  

   Sounds, 
  on 
  the 
  localization 
  of 
  the 
  

  

  direction 
  of, 
  308. 
  

   Spectroscope, 
  on 
  the 
  echelon, 
  371. 
  

   Spectrum, 
  on 
  a 
  method 
  of 
  producing 
  

  

  an 
  intense 
  cadmium, 
  320. 
  

   Stanstield 
  (Dr. 
  H.) 
  on 
  the 
  echelon 
  

  

  spectroscope 
  and 
  the 
  structure 
  of 
  

  

  the 
  green 
  mercury 
  line, 
  371. 
  

   Strict, 
  on 
  the 
  formation 
  of 
  in 
  a 
  

  

  dust-tube 
  by 
  an 
  electric 
  discharge, 
  

  

  771. 
  

   Striations 
  in 
  the 
  electric 
  discharge, 
  

  

  on, 
  441. 
  

   Sutherland 
  (\V.) 
  on 
  the 
  ions 
  of 
  

  

  gases, 
  '6\\. 
  

   Talbot's 
  fringes 
  and 
  the 
  echelon 
  

  

  grating, 
  on, 
  758, 
  767. 
  

   Tantalum, 
  on 
  the 
  kinetic 
  energy 
  of 
  

  

  the 
  positive 
  ions 
  emitted 
  from, 
  

  

  659. 
  

   Taylor 
  (T. 
  S.) 
  on 
  the 
  retardation 
  of 
  

  

  alpha 
  ravs 
  bv 
  metals 
  and 
  gases, 
  

  

  604. 
  \ 
  \ 
  

   Telephone 
  circuits, 
  on 
  induction 
  and 
  

  

  resistance 
  in, 
  417, 
  937. 
  

   Temperature, 
  on 
  the 
  effect 
  of, 
  on 
  

  

  the 
  hysteresis 
  loss 
  in 
  iron, 
  

  

  866. 
  

   Terrestrial 
  bodies, 
  on 
  the 
  moving 
  

  

  force 
  of, 
  in 
  relntion 
  to 
  the 
  attrac- 
  

   tion 
  of 
  gravitation, 
  523. 
  

   Thomas 
  (H. 
  H.) 
  on 
  the 
  petrography 
  

   of 
  the 
  new 
  red^'^andstone 
  in 
  the 
  

   west 
  of 
  Englanc*680, 
  

  

  