the same region, 
bericht, 1861, 
of earthy chlorids. 
$41. We have already shown in § 38 how the action of car. 
bonate of soda upon sea-water or bittern will destroy the no: 
hlorid of magnesium. 
da are given as the constituents of a water 
oe ne ter f be found in a late number of the Chemical Neus ; 
a’ 4 ol : S . 
here remains an excess of soda, 
oe instead of chlorid or sulphate of sodium. 
© Lersch, Hydro-Chemie, zweite Auflage : Berlin, 1864; vide p. 207. Thi 
cellent work, which is a treatise on the chemistry of natural sal ig SE oa 
8vo of 700 pages, was unknown to me when I prepared the first part of this essay. — 
