56 T. S. Hunt on the Chemistry of Natural Waters. 
magnesium and of baryta and strontia in two of the springs, 
and in a diminished proportion of carbonate of soda in the Sul- 
phur spring, 
TasBLE V.—SHOWING THE CHANGES IN THE CALEDONIAN SPRINGS. 
1, Gas Spring. lj2 Saline Spring.||3. SulpburSpring. | 
1847, | 1865. || 1847. | 1865. || 1846, | 1865, 
Ohlorid of sodium: ii 660366803 s6 7-014} 6570 || 6488} 6:930]| 3-876] 3-685 
7 magnesiuM.......++- steeds OPE san : eo 
Sulphate of potash............ "006 |. sax 005 18} -021 
Carbonate of soda..........0-. ‘O45 oor “118 } 22.2 || . 406 | “OST 
“« ie Poem rare a 148) -096/| *117) -095|| -210] -077 
=: GMa. cs beds | °§26| °455 ‘B17 | -469 "2941. -228 
cs Peron. 5. 4p 5s 3 ees peverrr ge Wiges S|) See Ses eT A) See eee 
Silica 021; 020 042) -015 084} ‘021 
In 1000 parts 77621 7174 || 7-345! 7-547 || 49881 4198 
bicarbonates with the carbonated bases present: while the analy- 
ses of the same ee in 1847, showed, as we have seen in § 43, 
a quantity of carboni . 
bonates. The questions of this deficiency, and of the variation 
1 be 
. . 
being acid and the latter being neutral waters. In the fifth class _ 
Pa eee —Suipha ies, lim ons 
alumina, and iron. Apart from the springs es this kind whick : 
e 
