﻿CONTENTS 
  OF 
  VOL. 
  XXVI 
  

  

  (SIXTH 
  SEEIES). 
  

  

  NUMBEB 
  CLL— 
  JULY 
  1913. 
  

  

  Pago 
  

   Dr. 
  N. 
  Bohr 
  on 
  the 
  Constitution 
  of 
  Atoms 
  and 
  Molecules 
  . 
  . 
  1 
  

   Dr. 
  A. 
  C. 
  Crehore 
  on 
  the 
  Formation 
  of 
  the 
  Molecules 
  of 
  the 
  

  

  Elements 
  and 
  their 
  Compounds, 
  with 
  Atoms 
  as 
  constituted 
  

  

  on 
  the 
  Corpuscular-Eing 
  Theory. 
  (Plates 
  I. 
  & 
  II.) 
  25 
  

  

  Messrs. 
  B. 
  M. 
  Deeley 
  and 
  P. 
  H. 
  Parr 
  on 
  the 
  Viscosity 
  of 
  

  

  Glacier 
  Ice. 
  (Plate 
  III.) 
  85 
  

  

  Prof. 
  E. 
  H. 
  Barton 
  on 
  Range 
  and 
  Sharpness 
  of 
  Eesonance 
  

  

  under 
  Sustained 
  Eorciug 
  and 
  their 
  Variations 
  with 
  Pitch. 
  . 
  Ill 
  

  

  Prof. 
  D. 
  JS 
  T 
  . 
  Mallik 
  on 
  Eermat's 
  Law 
  144 
  

  

  Mr. 
  D. 
  E. 
  Eoberts 
  on 
  the 
  Effect 
  of 
  Temperature 
  and 
  

  

  Magnetization 
  on 
  the 
  Resistance 
  of 
  Graphite 
  158 
  

  

  Prof. 
  E. 
  "W. 
  Wood 
  on 
  the 
  Use 
  of 
  the 
  Interferometer 
  for 
  the 
  

  

  Study 
  of 
  Band 
  Spectra. 
  (Plate 
  IV.) 
  176 
  

  

  Mr. 
  H. 
  C. 
  Stevens 
  on 
  the 
  Elicker 
  Photometer 
  and 
  the 
  Iris 
  . 
  . 
  180 
  

   Dr. 
  E. 
  T. 
  Beatty 
  on 
  the 
  Energy 
  required 
  to 
  Ionize 
  an 
  Atom. 
  183 
  

   Dr. 
  T. 
  J. 
  Fa. 
  Bromwich 
  on 
  the 
  Ballistic 
  Galvanometer 
  .... 
  186 
  

   Mr. 
  A. 
  Gorman 
  Shaw 
  on 
  Interference 
  Phenomena 
  with 
  Gamma 
  

  

  Bays. 
  (Plate 
  V.) 
  190 
  

  

  Lord 
  Eayleighon 
  the 
  Approximate 
  Solution 
  of 
  certain 
  Problems 
  

  

  relating 
  to 
  the 
  Potential 
  : 
  II 
  195 
  

  

  Mr. 
  J. 
  Patterson 
  on 
  a 
  Self-Eecording 
  Electrometer. 
  (Plate 
  

  

  VI.) 
  200 
  

  

  Messrs. 
  H. 
  G. 
  J. 
  Moseley 
  and 
  C. 
  G. 
  Darwin 
  on 
  the 
  Beflexion 
  

  

  of 
  the 
  X-rays 
  210 
  

  

  Notices 
  respecting 
  JSiew 
  Books 
  : 
  — 
  

  

  Eesults 
  of 
  Observations 
  made 
  at 
  the 
  Coast 
  and 
  Geodetic 
  

   Survey 
  Magnetic 
  Observatory 
  near 
  Tucson, 
  Arizona. 
  . 
  232 
  

  

  JN 
  T 
  UMBEE 
  CLIL— 
  AUGUST. 
  

  

  Prof. 
  H. 
  A. 
  Bumstead 
  on 
  the 
  Velocities 
  of 
  Delta 
  Bays 
  .... 
  233 
  

   Prof. 
  L. 
  T. 
  More 
  and 
  Mr. 
  S. 
  J. 
  Mauchly 
  on 
  the 
  Action 
  of 
  a 
  

  

  Magnetic 
  Eiekl 
  upon 
  the 
  Electric 
  Discharge 
  through 
  Gases. 
  252 
  

   Mr. 
  E.J. 
  E. 
  Beth 
  on 
  the 
  Oscillations 
  about 
  a 
  Position 
  of 
  

   Equilibrium 
  where 
  a 
  Simple 
  Linear 
  Eelation 
  exists 
  between 
  

   the 
  Frequencies 
  of 
  the 
  Principal 
  Vibrations. 
  (Plates 
  VII. 
  

  

  6 
  VIII.) 
  268 
  

  

  Prof. 
  E. 
  Eutherford 
  and 
  Mr. 
  H. 
  Eichardson 
  : 
  Analysis 
  of 
  the 
  

  

  7 
  Eays 
  from 
  Eadium 
  D 
  and 
  Eadium 
  E 
  324 
  

  

  