AGRICULTURE WITH CHEMISTRY. 17 



Dense inflammable air or carbonated hydrogenous 



gas ; 



Phlogisticated air or azotic gas; 

 Vitriolic acid air or sulphureous gas; 

 Sulphurated inflammable air or sulphurated hy- 

 drogenous gas ; 

 Nitrous air or nitrous gas j 

 Muriatic air or muriatic gas, &c. Sec, 



Atmospheric air is equally necessary to the vegetation 

 and growth of plants, as to the life of animals. By a 

 most beautiful arrangement in the ceconomy of nature, 

 the different processes of animal and vegetable respira- 

 tion are made mutually to assist each other. The par- 

 ticular gas or air thrown off by the respiration of the one, 

 contributes to the existence of the other. 



WATER. 



