Spring and Mineral Waters. 63 
in the usual way, till the liquid from being 
milky became clear. It still continued limy, 
and was even doubtfully so when 2 or 3 times 
the quantity of acid was added. It should 
seem then to be impossible to obtain a neutral 
carbonate of lime, asit is to obtain a neutral 
carbonate of ammonia in the sense here at- 
tached to the word neutral. 
