TOBACCO 



ITS HISTOKY, CULTIVATION, MANUFACTURE, 

 AND ADULTERATIONS. 



INTRODUCTION. 



The late Mr. Johnston, in his admirable work 

 * The Chemistry of Life,' traced the instinctive 

 advances of man through three successive stages 

 in ministering to his natural wants and cravings : 

 First, his provision of bread and beef; secondly, 

 fermented or alcoholic liquors, " to assuage the 

 cares of his mind, and to banish uneasy reflec- 

 tions;" thirdly, "he strives to multiply his 

 enjoyments, intellectual and animal, and, for 

 the time, to exalt them " by the use of nar- 

 cotics. 



It is evident that this is merely the popular 

 view of the subject with regard to alcoholic 

 liquors and narcotics. As enlightened science 

 has demonstrated a much more important func- 



B 



