LIST OF ILLUSTRATIONS. 



xv 



FIG. 



76. 



77. 

 78. 



79. 



80. 



81. 



82. 



83. 



84. 



85. 



86. 

 87. 

 88. 

 89. 

 90. 

 91. 

 92. 



93. 



94. 



95. 

 96. 



97. 



98. 



99. 

 100. 

 101. 

 102. 

 103. 

 104. 

 105. 



106, 



108. 

 109. 

 110- 



114, 

 116. 

 117. 



118. 



Curves taken during the escape of the heart from vagal inhibition 



(v. Frey) ........ 



Effect of respiration on arterial pressure (Fredericq) 



Respiratory undulations of aorta and vena cava pressures (Hill and 



Barnard) ........ 



Diagram to illustrate the effect of intrathoracic pressure upon the blood 



flow through the thorax ...... 



Model illustrating the effect of intrathoracic pressure on the circidation 



(Funke and Latschenberger) ..... 

 Aortic pressure. Effect of artificial respiration (Kowalewsky) . 

 Plethy sinograms of hind-limb. Excitation of sciatic nerve (Bowditch 



and Warren) ....... 



)> it ii ii ii 



Traube-Hering curves produced by injection of magnesium sulphate 



dog .... . . . 



Plethysmograiihic tracing of arm and record of Cheyne-Stokes respira 



tion ; man ....... 



Effect of injection of absinthe on blood pressure (Bayliss and Hill) 



Respiration and cerebral pulse tracings (Mosso) . 



Cerebral pressure gauge ...... 



Effect of asphyxia on blood pressure (Bayliss and Hill) . 

 „ ,, venous congestion in brain (Bayliss and Hill) . 

 Pulmonary and carotid arterial pressures (Bradford and Dean) . 

 Effect of exciting vasomotor centre on pulmonary and aortic pressure 



(Bradford and Dean) ...... 



Pulmonary and carotid arterial pressure ; effect of dividing spinal cord 



(Bradford and Dean) ...... 



Pressure curves of pulmonary artery, left auricle, and femoral artery 



effect of excitation of sensory nerves (Francois-Franck) 

 Limb plethy smograph ...... 



Record of aortic pressure and the volume of the fore- and hind-limbs 



(Bradford and Bayliss) ...... 



Effect of excitation of a superficial branch of the crural nerve on blood 



pressure and volume of organs (Hallion and Frangois-Franck) . 

 Aortic pressure and renal volume (Bradford) 

 Schafer's visceral plethysmograph .... 



Aortic pressure and splenic volume (Schiifer and Moore) 

 Tracing of frog's heart ; effect of heating sinus and auricle 

 Tracing from heart of toad ; effect of heating ventricle . 

 Heart of tortoise ....... 



suspended ....•• 



„ to show appearance of preparation when a 



block is caused by- slitting up the auricle 

 107. Beat of ventricle of frog, registered by Gaskell's modification of 



Roy's tonometer .....•• 

 Tracing from heart of toad ; effect of stimulating intracranial vagus 



j) >) )> " 



113. Tracing from heart of toad and frog; effects of stimulating vago 



sympathetic .....•• 



115. Tracings from heart of tortoise ; effect of stimulating nerves . 

 Modification of Roy's tonometer . 

 Preparation of heart of tortoise to demonstrate the action of the vagus 



nerve on the quiescent auricles . 

 Curve of demarcation current, caused by heating apex of auricle 

 h 





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