a a-, P x ao a se

AGRICULTURE. WITH CHEMISTRY. 1.7

Dense inflammable air—or—carbonated hydrogenous

Phlogisticated air—or—azotic gas;

Vitriolic acid air—or—sulphureous 2as3

Sulphurated inflammable air--or—sulphurated hy- a drogenous gas; Nitrous air—or—nitrous gas$

Muriatic air—or—miuriatic gas,&c.&ce.

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 ef 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:

C WATER.