280 



THE CIRCULATION IN THE BLOOD-VESSELS [CH. XXII. 



FIG. 246. Effect of weak stimulation of the . 



of rabbit). BP, blood-pressure; A, abscissa or base-line; T, time in seconds, 

 pressure and slow heart-beats. 



pressure (carotid 

 Note fall of blood- 



T 



FIG. 247. Effect of strong stimulation of the peripheral end of vagus on arterial blood -pressure (carot 

 of rabbit). Note stoppage of heart and fall of blood-pressure nearly to zero ; after the recommenc 

 ment of the heart, the blood-pressure rises, as in fig. 246, above the normal for a short time. 



