182 



Dr. E. A. Parkes on the 



[Feb. 12, 



It will be observed that, when all the days are taken, the brandy did 

 not raise the mean pulse of the whole day. It increased, however, the 

 rapidity of the pulse during the three hours after it was taken, as will be 

 seen from the following Table : 



Mean of the hours from 11 to 2 o'clock. 



Mean 657 717 



The quickening of the pulse during these hours is best seen by taking 

 two days, which are fair samples of the series. 



Record of two days, one without and one with brandy (6 ounces), to 

 show the influence of food, of movement, and of brandy. 



As the means of the entire day are practically the same when all the 

 days are taken, it is clear that the acceleration of the pulse in the three 

 hours succeeding the taking of the brandy must have been compensated 

 by a corresponding lessening of frequency afterwards ; and this is shown 

 by the following Table : 



