Chap. VI. 



M08QUIT0 TOBACCO. 



115 



and it gives out more smoke than is agreeable to a 

 European. 



I may be questioned whether the small quantity 

 of arsenic used in making the mosquito tobacco is 

 entirely harmless. I am not sufficiently acquainted 

 with the chemical action which goes on during 

 combustion to answer this in the negative. But 

 it must be borne in mind that the quantity of this 

 poisonous mineral is exceedingly small ; and the 

 fact that mosquito tobacco is used by probably one 

 hundred millions of human beings would seem to 

 prove that it could not have any bad effect upon 

 their health. 



K 



