130 [November, 1841. 



oxide, and binoxide of nitrogen, was illustrated both in regard to 

 atomic weight and combining volume, as were the several com- 

 pounds of chlorine with oxygen. The acetate of lead was decom- 

 posed by a solution of hydrosulphate of ammonia, and the resulting 

 acetate of ammonia, sulphuret of lead and an atom of water were 

 indicated as the results. 



Chloride of iron precipitated by carbonate of ammonia, exhibited 

 the effects of giving a precepitate of oxide of iron and evolving 

 carbonic acid, decomposing water instead of forming it as in the 

 preceding example. 



