﻿PROCEEDINGS 
  OE 
  

  

  THE 
  EOYAL 
  SOCIETY. 
  

  

  vol. 
  xxni. 
  No. 
  163. 
  

  

  CONTENTS. 
  5 
  L 
  ' 
  / 
  j 
  \ 
  

  

  June 
  17, 
  1875. 
  

  

  PAGE 
  

  

  I. 
  On 
  a 
  new 
  Form 
  of 
  Dynamo-Magneto-Electric 
  Machine. 
  By 
  S. 
  C. 
  TiSLEY. 
  496 
  

   II. 
  Note 
  on 
  the 
  Anatomy 
  of 
  the 
  Umbilical 
  Cord. 
  By 
  Lawson 
  Tait, 
  F.R.C.S. 
  498 
  

  

  III. 
  First 
  Eeport 
  of 
  the 
  Naturalist 
  accompanying 
  the 
  Transit-of-Yenus 
  Expe- 
  

  

  dition 
  to 
  Kerguelen's 
  Island 
  in 
  1874. 
  (Conclusion). 
  By 
  the 
  Rev. 
  A. 
  

   E. 
  Eaton 
  501 
  

  

  IV. 
  On 
  the 
  Determination 
  of 
  Verdet's 
  Constant 
  in 
  Absolute 
  Units. 
  By 
  J. 
  E. 
  

  

  H. 
  Gordon, 
  B.A., 
  Gonville 
  and 
  Caius 
  College, 
  Cambridge 
  504 
  

  

  V. 
  On 
  Rolling- 
  Friction. 
  By 
  Professor 
  Osboene 
  Reynolds 
  ...... 
  506 
  

  

  VI. 
  On 
  Multiple 
  Contact 
  of 
  Surfaces. 
  By 
  William 
  Spottiswoode, 
  M.A., 
  

  

  Treas. 
  R.S 
  509 
  

  

  VII. 
  On 
  the 
  Theory 
  of 
  the 
  Solution 
  of 
  a 
  System 
  of 
  Simultaneous 
  Non 
  -linear 
  

  

  Partial 
  Differential 
  Equations 
  of 
  the 
  First 
  Order. 
  By 
  E. 
  J. 
  Nanson 
  . 
  510 
  

  

  VIII. 
  Reduction 
  of 
  Anemograms 
  taken 
  at 
  Armagh 
  Observatory 
  in 
  the 
  Years 
  

  

  1857 
  to 
  1863. 
  By 
  T. 
  R. 
  Robinson, 
  D.D., 
  F.R.S., 
  &c 
  511 
  

  

  IX. 
  Preliminary 
  Notice 
  of 
  further 
  Researches 
  on 
  the 
  Physical 
  Properties 
  of 
  

   Matter 
  in 
  the 
  Liquid 
  and 
  Gaseous 
  States 
  under 
  varied 
  Conditions 
  of 
  

   Pressure 
  and 
  Temperature. 
  By 
  Dr. 
  Andrews, 
  F.R.S., 
  Vice-President 
  

   of 
  Queen's 
  College, 
  Belfast 
  514 
  

  

  X. 
  On 
  the 
  Power 
  of 
  the 
  Eye 
  and 
  the 
  Microscope 
  to 
  see 
  Parallel 
  Lines. 
  By 
  

  

  J. 
  A. 
  Beotjn, 
  F.R.S 
  522 
  

  

  XI. 
  On 
  the 
  Change 
  produced 
  by 
  Magnetization 
  in 
  the 
  Electrical 
  Resistance 
  of 
  

  

  Iron 
  and 
  Steel. 
  — 
  Preliminary 
  Notice. 
  By 
  Professor 
  W. 
  G. 
  Adams, 
  F.R.S. 
  533 
  

  

  [For 
  continuation 
  of 
  Contents 
  see 
  kt,h 
  'page 
  of 
  Wrapper.] 
  

  

  