54 R E F L E C T I O N S O N, &c. 



mals, might proceed from this adlve matter be- 

 ing too much exalted. But I have not yet had 

 lelfure for experiments of this kind, nor for af- 

 certaining the nature of different drugs. All I 

 can fay at prefent is, that infufions of the moft 

 adive drugs abound with moving bodies, and 

 that they appear fooner in them than in other 

 fubftances. 



Almoft all microfcopic animals are of the fame 

 nature with the moving bodies in the feminal 

 fluids, and in infufions of animal and vegetable 

 fubftances. The eels in pafte, in vinegar, &c. 

 are all of the fame nature, and derived from the 

 fame origin. But the proofs and illuftrations 

 relative to this fubjedl, we fhall referve till we 

 give the particular hiftory of microfcopic ani- 

 mals,- 



CHAP. 



