ON A NATURAL SYSTEM 



vui. Fluid Bodies . 



OTHER bodies are reckoned Jluid, whofc par- 

 ticles arc not only eafily feparuble, but fecm irt 

 feme degree to repel each other. It is true, 

 they feek an equilibrium ; but, as they arc not 

 lefs influenced by clafticity than by gravity, 

 they oftener appear with the unequal furfaces 

 we daily fee in clouds and vapours. 



ix. The Utility of this Di/linttion. 



ALTHOUGH the fame body, as occafion re- 

 quires, may undergo every variation of con- 

 iiflence, yet this difHnclion is not the lefs to be 

 regarded; for peculiar qualities, with a confide- 

 rable dirfcrcncc in their proportions belong to 

 each condition. But the plan we have propof- 

 cd to follow, will not admit of a further explica- 

 tion of this matter. 



x. The continued Series of Natural Bodies. 



THE great Leibnitz, by that law to which 

 he gave the name of continuity, denied formerly 

 that there could poflibly be any interruption be- 

 tween 



