DISEASES CLASS IV. i. 4. 7. 



chemical attraction, as when oxygen pafTes through the menu 

 branes of the air-veflels of the lungs, and combines with the 

 blood. And laftly, by influx without mechanical attraction, 

 chemical combination, or animal abforption, as the univerfal 

 fluids of heat, gravitation, electricity, magnedfm, and perhaps 

 of other etherial fluids yet unknown. 



ORDO 



