XVI ILLUSTRATIONS. 



FIGURE PAGE 



37. Apparatus for showing the effect of respiration, . . .113 



38. Cylindrical vessel, ..... .115 



39. Cylindrical vessel with manometers, . . . . .116 



40. Small artery with its various coats, . . . . .120 



41. Capillaries injected with silver nitrate, .... 122 

 *42. Longitudinal section of a vein at a valve (Cadiat), . . . 123 



43. Poiseuille's pulse-measurer, . . . . . 128 



44. Sphygmometer of Herisson, . . . . . .128 



45. Scheme of Marey's sphygmograph, . . . . .129 

 *46. Marey's improved sphygmograph (B. Bramwell), . . . 130 

 *47. Scheme of Marey's sphygmograph in working order (B. Bramwell), . 130 

 *48. Scheme of Marey's sphygmograph after increase of the pressure (B. 



Bramwell), ........ 130 



*49. Dudgeon's sphygmograph (Dudgeon), ..... 131 



*50. Mode of applying Dudgeon's sphygmograph (Dudgeon), . . 131 



*51. Sphygmogram (Dudgeon), . ' . . . . 132 



52. Scheme of Brondgeest's pansphygmograph, . . . .132 



53. Scheme of Landois' angiograph, . * . . .133 



54. Pulse-curves of the carotid, radial, and posterior tibial arteries, . 134 



55. Landois' gas-sphygmoscope, . . ... . . 135 



56. Hsemautographic curve, . . . . . . .136 



*57. Sphygmogram of radial artery (Dudgeon), . . . . 137 



58. Sphygmogram s of various arteries, ...... 138 



59. Pulsus dicrotus, P. caprizans, P. monocrotus, . . . .140 



60. Pulsus alternans, . . . . . . 143 



61. Curves of the posterior tibial and pedal arteries, ^ . . 145 



62. Anacrotic pulse-curves, . . . . . . . 147 



63. Influence of the respiration on the Sphygmogram, . . . 148 



64. Curves of the radial and carotid arteries during Muller's and Val- 



salva's experiments, . . ... .150 



65. Pulsus paradoxus, ... . . . . . 150 



66. Various radial curves altered by pressure, . . . .151 



67. Apparatus for measuring the velocity of the pulse-wave in an elastic 



tube, . j ..... 153 



67a. Tracing obtained from 67, . . . . 154 



68. Pulse tracings of the radial and carotid arteries, . . . 155 



69. Tracings from the posterior, tibial, and carotid arteries, . . 156 



70. Apparatus for registering the molar motions of the body, . . 157 



71. Vibration and heart curves, % . . 158 



72. Ludwig and Fick's kymographs, ..... 163 

 *73. Ludwig's improved revolving cylinder (Hermann), . . .164 

 *74. Blood-pressure tracing of the carotid of a dog (Hermann), . . 165 

 *75. Pick's spring kymograph by Hering (Hermann), . . .166 

 *76. Depressor curve (Stirling), . . . . . .168 



77. Blood-pressure and respiration tracings taken simultaneously, . 169 



*78. Blood-pressure tracing during stimulation of the vagus (Stirling), . 173 



*79. f Apparatus of v. Kries for estimating the capillary pressure (C. 



" 



. 



80. \ Ludwig), . ..;."". . . . 4 | 174 



81. Volkmann's hsmadromometer, . . 180 



82. Ludwig and Dogiel's rheometer, ... '180 



83. Vierordt's hsematachometer, ... 181 



84. Dromograph, . . , . 12 



