T. S. Hunt on the Chemistry of Natural Waters. 51 
8, 9. These are from two springs in the parish of Ste-Gene- 
viéve on the Batiscan River, and are remarkable for the large 
“pa of iodids which they contain. The first is known as 
rudel’s spring, and the second is at the ferry opposite to the 
eburch. ‘The waters were collected in August, 1853. Several 
other saline springs occur in the same neighborhood. 
43. Of the waters of the third class which follow, the first 
four rise from the Trenton limestone, and occur on the south 
side of the Ottawa River, in the vicinity of the first three of the 
og ee section. The others are from the south side of the 
t. Lawrence below Montreal. 
Taste Il].—Warers or Tue rurrp Crass. 
Ay » 3. 4, 5. 6. : 8. 
Chlorid of sodium. .. .|6°9675|6-4409\3-8430) 65325 | 9-4231 |8-4286/4-8234/5'9662) 
ri potassi -0309) -0296| -0230) -1160| -1284! -0382| -0610/ undet. 
Bromid of sodium....| 0150! -0169| -0100} -0217/ °0126) -0046/undet| “ 
odid of sadium...... “0005! 0014] traces., -0032} *0054) -00; ¥ 
Sulphate of potash... | -0058] -0048| 0183) ....] 2...) .--.| ..0e] sees 
Ehoaphate.of soda, ; . «|: sss} ms ob} chained) CME ae ite li cael gs 
Carbonate of soda.....| *0485| -1762| -4558) -5885/ -1705/ -3260/1:5416) ‘6082 
om 4 Sd hee ee traces, | °0226 WOE Sess 
0140 ° 0250 
480} °1175} -2100) -1500) °8540)| -3490) -2180) +1440 
9| -5172| -2940| °7860] 6483) -3559) -42963) -4766 
| traces.| traces, traces.;| °0048 traces.) ....| traces. 
undet.| -0026) -0040) traces. = undet.| undet. 
‘0425; 0840) +13380| °0465, -054) -2120) -1140 
ae 
ae | itn co } A 
1°3470)\4 9407, 83478 |10°7202 9-5867|7°2823/ 7-3330 
if 
aaee 
| 
| sels hh 
PLVUSSAAUVG LOANUE TT 2 eae 
exe 
that required to form neutral carbonates; while 
Spring, which contained in 1000 parts only 590 
