﻿PROCEEDINGS 
  OE 
  

   THE 
  ROYAL 
  SOCIETY. 
  

  

  VOL. 
  XXIII. 
  

  

  No. 
  161. 
  

  

  CONTENTS 
  

  

  April 
  22, 
  1875. 
  

  

  PAGE 
  

  

  I. 
  On 
  the 
  Action 
  of 
  Heat 
  on 
  the 
  Absorption-Spectra 
  and 
  Chemical 
  Con- 
  

   stitution 
  of 
  Saline 
  Solutions. 
  By 
  Walter 
  Noel 
  Hartley, 
  F.C.S., 
  

   Demonstrator 
  of 
  Chemistry, 
  King's 
  College, 
  London 
  . 
  . 
  . 
  . 
  . 
  . 
  . 
  372 
  

  

  II. 
  On 
  Attraction 
  and 
  Repulsion 
  resulting 
  from 
  Radiation. 
  — 
  Part 
  II. 
  By 
  

  

  William 
  Crookes, 
  F.R.S. 
  &c 
  373 
  

  

  I. 
  Some 
  Particulars 
  of 
  the 
  Transit 
  of 
  Yenus 
  across 
  the 
  Sun, 
  1874, 
  Dec. 
  9, 
  

   observed 
  on 
  the 
  Himalaya 
  Mountains, 
  Mussoorie, 
  at 
  Mary 
  Villa. 
  — 
  

  

  II. 
  On 
  a 
  Continuous 
  Self-registering 
  Thermometer. 
  By 
  W. 
  Harrison 
  Cripps 
  384 
  

  

  The 
  Theory 
  of 
  the 
  Division 
  of 
  the 
  Octave, 
  and 
  the 
  Practical 
  Treatment 
  oi 
  

   the 
  Musical 
  Systems 
  thus 
  obtained. 
  Revised 
  Version 
  of 
  a 
  Paper 
  entitled 
  

   " 
  On 
  Just 
  Intonation 
  in 
  Music; 
  with 
  a 
  'description 
  of 
  a 
  new 
  Instrument 
  

   for 
  the 
  easy 
  control 
  of 
  Systems 
  of 
  Tuning 
  other 
  than 
  the 
  equal 
  Tempera- 
  

   ment 
  of 
  12 
  Divisions 
  in 
  the 
  Octave." 
  By 
  R. 
  H. 
  M. 
  Bosanquet, 
  Fellow 
  

   of 
  St. 
  John's 
  College, 
  Oxford 
  390 
  

  

  April 
  29, 
  1875. 
  

  

  Note 
  II., 
  with 
  Appendix. 
  By 
  J. 
  B. 
  N. 
  Hennessey, 
  F.R.A.S 
  

  

  379 
  

  

  Presents 
  

  

  387 
  

  

  [For 
  continuation 
  of 
  Contents 
  seeAfk 
  page 
  of 
  Wrapper. 
  ~\ 
  

  

  