Action of Tobacco Srnokt 



84'i 



Exp. 3. Boy aged 1 5, uiodeiate smoker of cigarettes. Shows effect of smoking 

 one and a half Manilla cigars ; occasionally inhaled. Normal blood- 

 pressure and pulse-rate were found to be 120 and 84 respectively. 

 (See fig. 5, c.) 



Exi'. 4 Boy aged 17, smoker of cigarettes only. Smoking two Manilla 

 cigars, with occasional inhalation. (See fig. 5, d.) 



