go A TREATISE ON THE CONNECTION OF 



OXALAT OF IRON. 



"NOTHING certain can be advanced on the subje6t of 

 tihis salt, farther than that it is decomposed by lime, mag- 

 ne^ia, and alkalis. 



SALINE SUBSTANCES COMPOSED OF ALKALIS AND ACIDS. 



THE nature of the simple earths, and the compounds 

 they form with different acids, having been explained, 

 it will now be proper to give a list of such neutral salts 

 as may be formed by the combination of the acids al- 

 ready mentioned with alkaline salts. 



'These are stated in the following table, to which will 

 'be added, under each distinct ,head, the peculiar powers 

 jof each, in promoting or retarding vegetation, &x. 



TABLE 



