188 



Dr. E. A. Parkes on the 



[Feb. 



Sphygrnographic tracings were taken for me very carefully by Dr. 

 Hewett, Surgeon E.N., every hour ; and forty-two were taken in all. 

 I annex a few tracings, which show the increased force of the heart and 

 the relaxations of the arterial coats. 



20th January. 



Tracing at 9.30 A.M., 15| hours after food, and during rest. 

 Pulse 52. Eespirations 15. 



Tracing at 11 A.M. on the same day, during rest, 1 hour after 6 

 fluid ounces of brandy, 17 hours after food. Pulse 59. Eespira- 

 tions 11. 



22nd January. 



Tracing at 9.30 A.M., 15^ hours after food, and during rest. 

 Pulse 49. Eespirations 12. 







