I. ANIMALCULA OF INFUSIONS. I3 



as what formed the infufions was put in other 

 veflels. Both times, however, they re-appeared 

 in the burnt feeds, while not one was feen in the 

 water. 



Thefe fads fully convinced me, that vegetable 

 feeds never fail to produce" animalcula, though 

 expofed to any degree of heat ; whence arifes Sl 

 dired conclufion, that the vegetative power is no* 

 thing but the work of imagination ; and if np 

 animalcula appear in veifels hermetically fealed 

 and kept an hour in boiling water, their abfence 

 muft proceed from fome other caufe. 



CHAP. II. 



WHETHER THE INFLUENCE OF HEAT DIMINISHES 

 THE ELASTICITY OF AIR INCLUDED IN VESSELS 

 HERMETICALLY SEALED; AND IF IT WOULD BE 

 AN OBSTACLE TO THE PRODUCTION OF ANIMAL- 

 CULA. 



1 HIS inquiry may be reduced to two heads : 

 Firji, By fubjeding a given number of veffels 

 hermetically fealed to heat fo regulated that 

 they might fuffer different degrees, and obferving 

 if the production of animalcula is obftruded or 



altogether 



