﻿1 
  N 
  D 
  E 
  X. 
  

  

  939 
  

  

  Capillarity, 
  on 
  the 
  determination 
  of 
  

   a 
  constant 
  in, 
  39 
  ; 
  on 
  some 
  rela- 
  

   tions 
  in, 
  491 
  ; 
  on 
  relations 
  between 
  

   the 
  critical 
  constants 
  and 
  quanti- 
  

   ties 
  connected 
  with, 
  901. 
  

  

  Carbon, 
  on 
  the 
  discontinuity 
  of 
  

   potential 
  at 
  the 
  surface 
  of 
  glowing, 
  

   229 
  : 
  on 
  the 
  adsorption 
  of 
  hydro- 
  

   gen 
  by, 
  91G. 
  

  

  Carbon 
  dioxide 
  and 
  monoxide, 
  on 
  

   ionization 
  in, 
  878. 
  

  

  Cathode 
  films, 
  on 
  magnetic 
  rotation 
  

   in 
  iron, 
  74. 
  

  

  Celestial 
  bodies, 
  on 
  the 
  moving 
  force 
  

   of, 
  in 
  relation 
  to 
  the 
  attraction 
  of 
  

   gravitation, 
  523. 
  

  

  Cliabot 
  (J. 
  J. 
  T.) 
  on 
  a 
  gyrodynamical 
  

   solution 
  of 
  the 
  problem 
  of 
  the 
  

   amagnetic 
  mariner's 
  compass, 
  729. 
  

  

  Chalk 
  downs 
  in 
  Kent, 
  &c., 
  on 
  the 
  

   sculptures 
  of, 
  930. 
  

  

  Chemical 
  reactions, 
  on 
  the 
  A'elocity 
  

   of, 
  in 
  heterogeneous 
  svstems, 
  

   538. 
  

  

  Circuits, 
  on 
  musical 
  arc 
  oscillations 
  

   in 
  coupled, 
  713. 
  

  

  Clinch 
  (Ct.) 
  on 
  tUe 
  scidptures 
  of 
  the 
  

   chalk 
  downs 
  in 
  Kent, 
  &c., 
  936. 
  

  

  Codrington 
  (T.) 
  on 
  the 
  neighbour- 
  

   hood 
  of 
  the 
  Victoria 
  tails, 
  679. 
  

  

  Coil, 
  on 
  Vasch} 
  's 
  or 
  Pirani's 
  method 
  

   of 
  comparing 
  the 
  self-inductance 
  

   of 
  a, 
  with 
  the 
  capacity 
  of 
  a 
  con- 
  

   denser. 
  4-i2. 
  

  

  Collins 
  (.1. 
  H.) 
  on 
  geological 
  features 
  

   observable 
  at 
  the 
  Car 
  pal 
  I 
  a 
  pit, 
  

   437. 
  

  

  Compass, 
  on 
  a 
  gyrodynamical 
  solu- 
  

   tion 
  of 
  the 
  problem 
  of 
  the 
  amag- 
  

   netic, 
  729. 
  

  

  Conductivity 
  of 
  dielecliics 
  under 
  the 
  

   action 
  of 
  radium 
  ravs, 
  on 
  the, 
  

   252. 
  

  

  Davis 
  (Prof. 
  W. 
  M.) 
  on 
  glacial 
  ero- 
  

   sion 
  in 
  >sorth 
  Wales, 
  819. 
  

  

  Dewev(H.) 
  on 
  overthrusts 
  at 
  Tin- 
  

   tagel, 
  935. 
  

  

  Dielectrics, 
  on 
  the 
  conductivity 
  of, 
  

   under 
  the 
  action 
  of 
  radium 
  ravs, 
  

   252. 
  

  

  Diffusion 
  theory, 
  on 
  the, 
  538. 
  

  

  Di.-^integration, 
  on 
  multiple 
  atomic, 
  

  

  , 
  739. 
  

  

  Dispersion, 
  on 
  the 
  apparent, 
  of 
  light 
  

   iu 
  space, 
  872. 
  

  

  Disturbance, 
  on 
  the 
  instantaneous 
  

   propagation 
  of, 
  in 
  a 
  dispersive 
  

   medium, 
  1. 
  

  

  ment 
  of 
  wave-length 
  

  

  Doppler 
  effect 
  in 
  positive 
  ravs, 
  on 
  

   the, 
  895. 
  

  

  Duddell 
  (W.) 
  on 
  a 
  bifilar 
  vibration 
  

   galvanometer, 
  168. 
  

  

  Dust-tube, 
  on 
  the 
  formation 
  of 
  stride 
  

   iu 
  a, 
  bv 
  an 
  electric 
  discharge, 
  771. 
  

  

  Eagle 
  (H.) 
  on 
  the 
  form 
  of 
  the 
  pulses 
  

   constituting 
  full 
  radiation 
  or 
  white 
  

   light, 
  787. 
  

  

  Earth's 
  surface, 
  on 
  the 
  distribution 
  

   of 
  thorium 
  in 
  the, 
  140, 
  146. 
  

  

  Echelon 
  grating, 
  on 
  Talbot's 
  fringes 
  

   and 
  the, 
  758, 
  767. 
  

  

  spectroscope, 
  on 
  the, 
  371. 
  

  

  ElectiicKl 
  device 
  for 
  evaluating 
  

   formulse 
  and 
  solving 
  equations, 
  oji 
  

   the 
  Wright, 
  291. 
  

  

  discharge, 
  on 
  striations 
  in 
  the, 
  

  

  441 
  ; 
  on 
  the, 
  through 
  gases 
  HCl, 
  

   HBr, 
  and 
  HI, 
  465 
  ; 
  on 
  the 
  form- 
  

   ation 
  of 
  striae 
  in 
  a 
  dust-tube 
  by 
  

   an, 
  771. 
  

  

  the 
  measure- 
  

  

  for 
  hioh- 
  

  

  frequency, 
  794. 
  

  

  Electricity, 
  on 
  positive, 
  821. 
  

  

  Electrodes, 
  on 
  alternating-current 
  

   spark 
  potentials 
  and 
  their 
  relation 
  

   to 
  the 
  radius 
  of 
  curvature 
  of 
  the, 
  

   699. 
  

  

  Electromagnetic 
  device 
  for 
  solving 
  

   equations, 
  on 
  an, 
  802. 
  

  

  Eleciromotive 
  forces 
  produced 
  by 
  

   solutions 
  strgaming 
  through 
  capil- 
  

   lary 
  tubes, 
  on 
  the, 
  586. 
  

  

  Electrons, 
  on 
  the 
  motion 
  of, 
  in 
  

   solids, 
  209. 
  

  

  Elliptic 
  polarization 
  produced 
  by 
  

   the 
  transmission 
  of 
  a 
  plane 
  polar- 
  

   ized 
  stream 
  through 
  a 
  plate 
  of 
  

   quartz, 
  on 
  the, 
  195. 
  

  

  Energy, 
  on 
  the 
  flow 
  of, 
  in 
  a 
  system 
  

   of 
  interference 
  fringes, 
  250. 
  

  

  Equations, 
  on 
  electrical 
  devices 
  for 
  

   solving, 
  291,802. 
  

  

  Erikson 
  (Prof. 
  H. 
  A.) 
  on 
  the 
  recom- 
  

   bination 
  of 
  the 
  ions 
  in 
  air 
  at 
  

   different 
  temperatures, 
  328, 
  

  

  Eihane, 
  on 
  ionization 
  in, 
  878. 
  

  

  Eve 
  (Prof. 
  A. 
  S.) 
  on 
  the 
  amount 
  of 
  

   radium 
  present 
  in 
  sea-water, 
  102 
  ; 
  

   on 
  primary 
  and 
  secondary 
  gamma 
  

   rays, 
  275. 
  

  

  Eye, 
  on 
  the 
  psychological 
  accommo- 
  

   dation 
  of 
  the 
  lenses 
  of 
  the, 
  259. 
  

  

  Farr 
  (Dr. 
  0. 
  C.) 
  on 
  the 
  radium 
  con- 
  

   tent 
  of 
  igneous 
  rocks 
  from 
  New 
  

   Zealand, 
  812. 
  

  

  