176 =. S. Hunt on the Chemistry of Natural Waters. ee 
Art. XXII.— Contributions to the Chemistry of Natural Water 
by T. Sterry Hunt, A.M., F.R.S. : 
Ir is proposed to divide this essay into three parts, in the fit 
of which will be considered some general principles which mus — 
orm the basis of a correct chemical history of natural water — 
The second part will embrace a series of chemical analyses of — 
mineral waters from the Paleozoic rocks of the Champlain and — 
St. Lawrence basins, together with some river-waters; and the — 
third part will consist chiefly of deductions and generalizations 
from these analyses. 4 
I, he 
Costexts or Srcrioxs.—1, atmospheric waters; 2, 3, results of vegetable decay : 
4-7, action on rocky sediments ; 8, action on iron-oxyd ; 9, solution of alumina; : 
10, reduction of sulphates ; 11, kaolinization; 12, deeay of silicates; ei 
of carbonate of soda; 14, Bischof’s view rejected ; 15, 16, porosity, of ee 
and their contained saline waters; 17, saliferous strata; 18, action 0 Wi. 
soda on saline waters; 19, origin of sulphate of magnesia; 20, 2)® 
J 
en 2 eg 
ate of magnesia, and dolomite; 28, waters from oxydized sulphurets ; pte 
of free sulphuric and chlorhydric acids; 20, of sulphhydric and bori¢ acis, 
31. of carbonic acid gas; 32, i 
mineral waters. 
are 50 
of 
peat 
