Mineralogy and Geology. 123 
II. MineraLocy anp GEoLoey. 
1. Analysis % a Sa Water; by M. H. Bové, (Proc. Amer. 
23.)—The following a a is published by M. Boyé, 
pl 
with fall details of the process he adopte e here cite his results.* 
S Grains in 1 vite! In 100 residue. 
: Alkaline chlorids, é : i 0°153 3°75 . 
Alkaline sulphates, é é é 0°560 13°74 
Alkaline pnt aah : ; ‘ 0°185 4-53 
Carbonate of lim : d ; 2-190 53°67 
Carbonate of magnesi, : : 0-484 11-87 
’ Alumina and ws of iron (phosphates ?) 0-077 1:88 
ik Silica, : : : 0°395 9°68 
Organic matter, 3 : : : 0036 0-88 
4-080 100-00 
Total residue 
rt a separate experiment, total residue, 4°42] 
above numerical results reduced to 10,000 parts of water, and 
combined in the water, will stand thus :— 
In 10,000 parts. 
Sulphuric acid, .. ; é j : 3 0:051775 
Chlorohydrie acid, we, ‘ ; ; 0:016275 
Carbonic acid, é : ; i é i 0°220195 
Potassa and ote ( i : ; : F 0:076723 
Lime, — Bb gre Rg Oe foaicy 41%) 905 81 18H 
Magnes ‘ 0:040095 
Alaial and ony of iron n (phosphates ‘) : 0-013200 
Silica ; ; 0067710 
Oran matter, ; é ; i 3 ; 0-006170 
‘ 07:03493 
Deduct water in chlorohydrates, . : ; 0:004022 
Total residue in 10,000, 0°699471 
The following exhibits a tabular view of the different amounts of 
ae fixed, and insoluble residue obtained by Prof. Silliman and M. 
epee 
Boy SrLLIMAN, 
g sin] vatiai - oe in star 
olid senile, - "080 cS gti irene, at 
Fixed at a zn heat, 3°794 calculated | 4:26 
from the above. 3°69 by direct experiment. 
meet in ere 2896 “ 2°145 
On Acid and eee, Springs; by Prof. W. B. Roczrs, (Proc. 
Riser Assoc., 1848, p. 94.)—In this Pe Bets Eh after referring to 
* For Prof. B, Silliman’s, Jr. examination of the same water, see this Journal, [2], 
ii, 218, 
Rees ee es ee 
re ' = 
