Ice-SeaWaters. Baltic. B g^ k Sea of Marmora. ^1™*'°" 
172 Dr » Marcet on the specific gravity , and temperature 
Table IV. Specific Gravities of Sea Waters. 
Nos. of 
Specimens. 
Latitude. 
Longitude. 
Specific 
Gravity. 
OBSERVATIONS. 
52 
40,5 N 
26,12 E 
1028,19 
Taken up by Sir Robert Liston, at the entrance of the Hellespont 
or Dardanelles, from the bottom, 34 fms. deep, by my machine, in 
June 1812. 
53 
4°-5 
26,1 2 
1020,28 
By the same Gentleman, and exactly from the same spot as the 
preceding, but from the surface. 
54 
4 , i°t 
29,0 
1014,44 
By Sir Robett Liston ; at the entrance of the Bosphorus or North 
entrance of the channel of Constantinople, about four miles from the 
land ; from the bottom, 3o fms. 
55 
4 1 >°t 
29,0 
1013,28 
By the same Gentleman ; same spot, but from the surjace. 
56 
57 
— 
1014,22 
1014,14 
^ By Mr. Sautter ; one of the specimens clear ; the other slightly 
j hepatic. Latitudes not stated. 
OO 
65,15 N 
39 ’ j 9 e 
IOI 8,94 
By Mr. Sautter, in 1811. Water perfectly clear. 
59 

— 
1019,09 
By the same ; latitude not noted. 
60 
56,oN 
15,0 E 
J004.9 
By Mr. Prevost, in Carlsham harbour ; cork and bottle slightly 
blackened. 
61 
57>39 
— 
>025,93 
By Dr. Berger; in 1810, Categat, one mile and a half from the 
Eastern coast of Jutland. Depth about 14 fms. 
62 
56,0 
I2,4oE 
OO 
O 
By Dr. Berger; from the Sound, or Passage into the Baltic, half- 
way between Denmark and Sweden. Depth about 17 fms. 
63 
75’54N 
65,32 W 
1000, 
By Captain Ross ; from the same spot as No. 6 and 7 ; sounding 
150 fms. from an Iceberg. 12th August, 1818. 
64 
80,28 
IO,2oE 
1000,17 
By Lieutenant Franklin, from water at the surface, when beset 
amongst ice. Same spot as No 15. Jemper. of the surface 32.5°.— 
15 July, 1808. 
6 5 
79,56 
11,3° 
1000,6 
By Lieutenant Franklin, from a floe, the ice being 14 feet deep under 
l he surface ; 2 1 st. of June, 1818. 
66 
67 
79,38 
76,48 
1 1,0 
13,40 
icco, 1 5 
1002,35 
By Lieutenant Franklin, from an immense iceberg. August, 1818. 
By Lieutenant Franklin, on the 25th May, isi8 About 20 miles 
from Spitzberg, Temp, of air 29° -om dings 600 fms. I aken from 
the surface ot a small detached piece of ice floating in the sea. 
68 
75 > 4 ° 
61,20 W 
1000,15 
By Lieutenant Parry, from young ice on the surface, about § inch 
thick, July 31, 1818. 
+ The Latitudes and Longitudes thus marked were inferred from the description of the spot, not being stated on the 
bottles. 
