]Dr Fyfe on the Waters the North Polar Seas. 161 
rated ; the residue of the evaporation was then subjected to a 
heat sufficient to render it dry, and weighed in the vessel before 
being allowed to cool, as it very quickly attracted moisture. 
For the sake of brevity, I shall state the results in a tabular form. 
N. Lati- 
tude. 
Longitude. 
Remarks. 
Specific 
gravity 
at 45® F. 
Saline 
matter 
per cent. 
A 
0 . 
t-4 
0 ^ Y w. 
Blue Sea ; water from surface ; 
transparent and colourless. 
10274 
S .70 ' 
B 
540 26 ' 
0 ® 38' E. 
Ditto, ditto. 
10274 
3.54 i 
C 
66« 45' 
l^^ 0' E. 
Ditto, ditto. 
Smell of sulphuretted hydrogen, 
gave a black precipitate with the 
acetate of lead. 
10272 
3.79 
D 
69 ^ 14' 
3^ 0' E. 
Blue sea ; water from the surface, 
transparent and colourless. 
10272 
3.75 . ; 
E 
50' 
1^ 30' W. 
Sea greenish-blue ; water from 
surface; turbid ; after filtration 
slightly opaque, 
N. B. This water was exposed 
to the air after being collected, by 
which part of it had evaporated. 
10276 
! 
3.77 ; 
F 
71 ^ 10' 
5^ 30' E. 
Blue sea ; water from the surface, 
transparent and colourless. 
10272 
3.75 ' 
G 
74 ® 34' 
10^ 0' E. 
Ditto ditto, 
10276 
3.77 
H 
74^ 50' 
59?15'W. 
Water from the surface, transpa- 
rent and colourless. 
10263 
3.33 
I 
740 50 
590 15^. 
Water transparent and colourless, 
taken at the depth of 80 fathoms, 
by Sir H. Davy’s bottle ; its tem- 
perature at the moment that it 
was drawn was 30^®, 
H. M. S. Isabella, 
July 18. 1818. 
10265 
3.30 
K 
75 o * 
65«3g'W. 
Water transparent and colourless, 
from 80 fathoms deep, 
August 12. 1818. 
102,56 
3.62 
1 
* As the label of this bottle was partly destroyed, I am not sttre that tbits is • 
the exact latitade. 
VOL. I. NO. I. .TUNE 1819. L 
