501&amp;lt; NATURAL HISTORY. 



some general observations common to both. First, 

 they seem to be incorporeal. Secondly, they work 

 swiftly. Thirdly, they work at large distances. 

 Fourthly, in curious varieties. Fifthly, they are not 

 effective of any thing ; nor leave no work behind 

 them ; but are energies merely : for their working 

 upon mirrours and places of echo doth not alter any 

 thing in those bodies ; but it is the same action with 

 the original, only repercussed. And as for the 

 shaking of windows, or rarifying the air by great 

 noises, and the heat caused by burning-glasses ; they 

 are rather concomitants of the audible and visible 

 species, than the effects of them. Sixthly, they seem 

 to be of so tender and weak a nature, as they affect 

 only such a rare and attenuate substance, as is the 

 spirit of living creatures. 



Experiments in consort touching the emission of imma- 

 teriate virtues from the minds an d sir its of men, 

 either by affections, or by imaginations) or by other 

 impressions. 



939. It is mentioned in some stories, that where 

 children have been exposed, or taken away young 

 from their parents ; and that afterwards they have 

 approached to their parents presence, the parents, 

 though they have not known them, have had a secret 

 joy or other alteration thereupon. 



940. There was an Egyptian soothsayer, that 

 made Antonius believe, that his genius, which other 

 wise was brave and confident, was, in the presence 

 of Octavianus CaBsar, poor and cowardly : and there- 



