ON A NATURAL SYSTEM 



cxvin. Impcrfefl Triple Salts. 



AMONG the triple imperfeft falts, we know oi' 

 the union of tartar with the acid of borax. 

 Here is an excefs of uciJ. 



cxix, Qwclruple Salts. 



TARTAR and borax combined, are an in- 

 fiance of the quadruple falts. 



5 cxx. Species of analogical Salts. 



EARTHS and metals, although fingly they re* 

 fufe every combination with water, yet by the 

 admixture of a fait they become for the inoft 

 part foluble, and are then called analogical 

 falts. 



S cxxi. Species of double perfc ft earthy Salts,. 



FOUR primitive earths uniting with twenty a- 

 cuh, produce eighty double perfect earthy falts; 

 that is falts compleatly faturated. The fifth 

 earth, the filigeous, isfolublein the fluor acid 

 only. 



CXXII, 



