﻿1875.] 
  Dr. 
  C. 
  H. 
  Jones 
  on 
  Reversed 
  Tracings. 
  437 
  

  

  Fig. 
  I. 
  Eeyersed 
  tracings 
  taken 
  from 
  pulse 
  of 
  a 
  healthy 
  male, 
  Eet. 
  52. 
  Pressur 
  

   employed 
  384 
  grammes. 
  1871. 
  

  

  II. 
  Tracings 
  from 
  pulse 
  of 
  a 
  man, 
  set. 
  about 
  25. 
  Pressure 
  employed 
  for 
  a, 
  b, 
  and 
  c 
  

   140 
  grammes, 
  for 
  d 
  84 
  grammes, 
  a 
  is 
  normal, 
  b 
  and 
  c 
  are 
  reversed; 
  d, 
  

   taken 
  two 
  or 
  three 
  minutes 
  later, 
  is 
  normal 
  again. 
  

  

  III. 
  Tracings 
  of 
  pulse 
  of 
  Mr. 
  H., 
  get. 
  about 
  35, 
  healthy 
  and 
  robust. 
  «, 
  normal, 
  

  

  with 
  pressure 
  300 
  grammes 
  ; 
  b, 
  reversed, 
  with 
  pressure 
  750 
  grammes. 
  

  

  IV. 
  Shows 
  effect 
  of 
  increased 
  pressure 
  in 
  lowering 
  rise. 
  Pulse 
  of 
  male, 
  aet. 
  19, 
  

  

  epileptic, 
  a 
  taken 
  with 
  pressure 
  56 
  grammes, 
  b 
  with 
  84 
  grammes, 
  c 
  with 
  

   112 
  grammes, 
  d 
  with 
  196 
  grammes. 
  

  

  Y. 
  Tracings 
  taken 
  with 
  schema, 
  a, 
  spring 
  resting 
  on 
  artery, 
  pressure 
  2 
  oz., 
  lever 
  

   jerking 
  upwards 
  ; 
  b, 
  plate 
  resting 
  on 
  artery, 
  pressure 
  30 
  oz., 
  lever 
  jerking 
  

   downwards. 
  

  

  