xvi ILLUSTRATIONS. 



FIGUKE 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. Sphyguiometer of Herisson, . . . . 128 



45. Scheme of Marey's sphj'gmogi-aph, . . . . .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-sphygraoscope, ...... 135 



56. Hremautographic curve, . . . . . . .136 



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



58. Sphygmograms of various arteries, ..... 138 



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



60. Pulsus alteruans, ....... 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 Miiller's and Val- 



salva's experiments, .... 150 



65. Pulsus paradoxus, ..... 150 



66. Various radial cui-ves altered by pressure, .... 151 



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



tube, ....... 153 



67. 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 ciirves, , 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. Fick's spring kymograph by Heriug (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. "),-, 

 SO. \ Ludwig), ...... j 



81. Volkmann's htemadromometer, ..... ISO 



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

 S3. Vierordt's hrcmataehometer, .... . 181 

 84. Dromograph, . . . . . . . .182 



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