Mr. A. B. Northcote on the Brine-springs of Cheshire. 467 
Il. Marston Brine. 
Specific gravity (August) . . 1:2001 
Temperature of britte . eR A 575 ph 3, 
Reaction, . .°.°.°.°. . feebly alkaline. 
Table of direct results of analysis, calculated to 100 parts. 
January 1856. August 1856, 
Se ss Ee Seg 
I, Pt Mean, | I. Il. Mean. 
ee ey ee} ee Pee a trace 
OMB E spars cShNS spshida estes 13°378) 13-362) 13-370 || 13-452 | 13-455 | 13-453 
MINE eeateccsosccsecsocsscee 176} =-160} -168 160 162 “161 
LETTE gaa 051} -051) 051 050 051 051 
Protoxide of MANZANESe | sr... | oeseee | seceee |] escooe | cece + | trace 
Sesquioxide of iron ......| ...... Ssscepy|lintescam ltd <sccacme teres trace 
CITC PASS5BS 39 LS | eee | (Mee cai | ee se trace 
LIS er : ae : 15-293 | 15-319 | 15-306 
Bromine .....0+-+......., } 15-228) 15-220, 15:24 ||" o9gs| "0087/0086 
IMAM. 2-2; 28638~0c0cbepfr=-| SesbEo) | sbézb= |opsibbos fl neecce lovecesce trace 
Sulphuric acid ...,........ 315) 320) 317 313 “312 313 
PME BUOTEC ACO he. ccol ie sscs ||| Ras0re, | Pace Hit ceeconiGceeee trace 
Residue obtained by di- : : : 879 A . 
exh evapeenton.«:j>, } 25-769) 25:772| 25-770 || 25-872 | 25-868 | 25-870 
Table of constituents, calculated in 100 parts. 
January. August. 
Chloride of sodimm ok. RS 25222 | 
Bromide of sodium Oy er: rh ‘011 
Jodide of sodigm . . . . . eee trace 
Bilphate of potassa. . . . .,. ins trace 
Ralphate of'toda; . . . . .,. 1187 146 
Sulphate oflime. . ... . 408 391 
Ceeinsic BE BOUG 7 puis «pier aoa 036 
Carbonate of magnesia. . . ‘107 107 
Carbonate of oxide of manganese . oes trace 
Phosphate of lime . . ae trace 
Phosphate of sesquioxide of i iron . oes trace 
SG ge ek trace 
25°767 25°913 
Solid residue obtained Py sia : , 
-. €vaporation. . °. T iti 770 25°870 
2H 
° e ° © . 
