﻿PLATES. 
  

  

  I. 
  & 
  II. 
  Illustrative 
  of 
  Prof. 
  Barton 
  and 
  Miss 
  Browning's 
  Paper 
  on 
  

   Variably-Coupled 
  Vibrations 
  : 
  II. 
  Unequal 
  Masses 
  or 
  Periods. 
  

  

  III. 
  Illustrative 
  of 
  Mr. 
  N. 
  Basil's 
  Paper 
  on 
  the 
  Diffraction 
  of 
  Light 
  by- 
  

  

  Cylinders 
  of 
  Larg3 
  Radius. 
  

  

  IV. 
  Illustrative 
  of 
  Prof. 
  S. 
  Banerji's 
  Paper 
  on 
  Aerial 
  Waves 
  generated 
  

  

  by 
  Impact. 
  

   V. 
  Illustrative 
  of 
  Mr. 
  S. 
  K. 
  Mitra's 
  Paper 
  on 
  the 
  Asymmetry 
  of 
  the 
  

  

  Illumination-Curves 
  in 
  Oblique 
  Diffraction. 
  

   VI.-VIII. 
  Illustrative 
  of 
  Prof. 
  R. 
  W. 
  Wood's 
  Paper 
  on 
  Resonance 
  

  

  Spectra 
  of 
  Iodine. 
  

   IX. 
  Illustrative 
  of 
  Dr. 
  G. 
  W. 
  Todd's 
  Paper 
  on 
  General 
  Curves 
  for 
  

  

  the 
  Velocity 
  of 
  Complete 
  Homogeneous 
  Reactions 
  between 
  Two 
  

  

  Substances 
  at 
  Constant 
  Volume. 
  

   X. 
  Illustrative 
  of 
  Mr. 
  G. 
  W. 
  Walker's 
  Paper 
  on 
  Relativity 
  and 
  

  

  Electrodynamics. 
  

  

  