252 COUNTRY AIR. 



A. 1st Because the absence of 

 oxygen quickly affects the vital functions, 

 depresses the nervous energies, and 

 produces a lassitude which ends in death : 

 and 



2ndly The carbonic acid gas inhaled 

 by the captives (being a narcotic poison) 

 would also produce drowsiness and death. 



Q. Wliy do PERSONS, who are so much in the 

 OPEN AIR, enjoy the best HEALTH ? 



A. Because the air they inhale is 

 much more pure. 



Q. Wliy is COUNTRY AIR more PTJRE than the 

 air in CITIES ? 



A. 1st Because there are fewer 

 inhabitants to vitiate the air : 



2ndly There are more trees to restore 

 the equilibrium of the vitiated air : and 



3rdly The free circulation of air keeps 

 it pure and wholesome (in the same 

 way as running streams are pure and 

 wholesome, while stagnant waters are the 

 contrary). 



Q. Why does the SCANTINESS of a country 

 POPULATION render the COUNTRY AIR more PURE ? 

 A. Because the fewer the inhabitants, 



