236 
DR. DAUBENY ON THE OCCURRENCE OF IODINE AND BROMINE 
Geological Position. 
Locality of the Spring. 
Name of the Spring. 
Total of its 
Saline Con- 
tents in the 
Pint. 
Iodine. 
Its proportion 
The Water. 
to 
The Chlorine. 
Lias Clay. 
Leamington, 
Warwickshire. 
No.5. Smart’s Sa- 
line. 
92.589 
Nearly as the two pre- 
ceding. 
Ditto 
No. 6. Lord Ayles- 
ford’s. 
113.995 
None detected. 
Ditto 
No. 7- Reid’s Sul- 
phureous. 
79-142 
None detected. 
Ditto* 
No. 8. Reid’s Sa- 
line. 
102.597 
None detected. 
Gloucester. 
No. 1. Sulphureous 
Saline. 
84.2 
About 1 Grain to 50 
Gallons. 
As 1 to 12.000 
Ditto 
No. 2. Chalybeate 
Saline. 
In all respe 
cts agrees with No. 1 in 
point of cora 
Ditto 
No. 3. Strong Sa- 
line. 
76.5 
About 1 Grain to 96 
Gallons. 
As 1 to 33.000 
Ditto 
No. 4. Weak Saline. 
75.22 
Nearly as No. 3. 
— 
Tewksbury. 
The Walton Spring. 
46.1 
About 1 Grain to 36 
Gallons. 
As 1 to 6690 
Cheltenham. 
Pittville, No. 1. 
“The Pure Saline.” 
45.8 
None detected. 
Ditto 
Sherborne, No. 4. 
84.44 
About 1 Grain to 90 
Gallons. 
As 1 to 33.000 
Ditto 
Thomson’s, No. 4. 
80.13 
About 1 Grain to 30 
Gallons. 
As 1 to 3600 
Ditto 
Old Well, No. 1. 
81.51 
About 1 Grain to 60 
Gallons. 
As 1 to 19.000 
Ditto* 
Thomson’s, No. 2. 
52.29 
None detected. 
1 
Oolitic Strata. 
Melksham, Wilt- 
shire. 
The Saline Spring. 
107.42 
None detected. 
Chalk Formation. 
Epsom, Surry. 
The Saline Spring. 
33.2 
None detected. 
Tertiary Rocks. 
Windsor. 
St. Leonard’s Hill 
Spring. 
None detected. 
— 
Gray’s Inn Lane, 
London. 
Chad’s Well. 
None detected. 
Present Ocean. 
Off Portsmouth. 
None detected. 
* In none of the remaining Cheltenham or Leamington Springs could I satisfy myself of the exist- 
ence of either iodine or bromine. 
