Vlll ADVERTISEMENT. 



Moderns, and which every man may experimen- 

 tally demonftrate to himfelf, with a glafs of 

 water. 



Befides, it is far from being true, that the phafes 

 of the Moon are, all over the Earth, in harmony 

 with the movements of the Seas. The flux and 

 reflux of the Sea, on our coafts, follow rather the 

 mean, than the real motion of the Moon. In other 

 places, they are fubjedt to different laws, which 

 obliged Nezvton himfelf to admit, " That there 

 *' mufl of necefTity be, in the periodical return of 

 " the Tides, fome other mixed caufe, hitherto 



tion ; which fuggefted the proverb in common ufe among failors, 

 the M-oon is eating up the clouds. 



Befides, our Naturalifts contradict themfelves, in fuppofing 

 that the Moon moves the Ocean, while they refufe it all manner 

 of influence, not only on the ices, but on plants, becaufe, fay 

 thev, it's heat does not make the fluid to afcend in the thermo- 

 meter. I do not know, in faCl, whether it does, or does not aft, 

 on fpirit of wine : but what conclufion can be deduced from 

 this ? The igneous particles contained in pepper, cloves, pimento, 

 cauftics, &c. which have fuch a powerful action on the fluids of 

 the human body;, would they communicate to fpirit of wine the 

 flighteft tendency to afcend, by making an infuhon of them with 

 that fluid ? Fire, as well as the other Elements, undergoes com- 

 binations, which multiply it's aftion, in fuch and fuch an alli- 

 ance, arid reduce it to mere nothing in a different fituation. Wc 

 mud not pretend, then, with our inftruments of Philofophy, to 

 arrive at the capability of determining the effefts of natural 

 caufes, 



*' undifcover- 



