sd 
1906. No. 3. AMUNDSEN’S OCEANOGRAPHIC OBSERVATIONS IN 1901. 55 
between 77 and 70° N. Lat. and between 49 and 54° E. Long. (see 
PL I). If water with a salinity of 34°58°/00 be cooled down to its 
freezing-point it will get a density of about 27°86. 
Polar Surface Water of Northern Barents Sea. 
Amundsen’s Stations 24 and 25 (Table II), between King Charles Land 
and Northeast Land (Spitsbergen) and south of King Charles Land, are in- 
teresting because they show that this part of the Barents Sea is covered 
by a surface layer of cold polar water which is very similar to that of 
the North Polar Basin, except that the salinities at Amundsen’s stations 
were on the whole higher. Below are the observations at one of the 
stations taken during the drift of the Fram across the North Polar 
Basin (Stat. 23) for comparison with Amundsen’s station. The Fram 
salinities have been recalculated by means of Knudsens Tables from 
Blessing's determinations with the hydrometer. Also included for com- 
parison are determinations for one of the Russian stations (Stat. 3 
from the cruise in August 1902, and Makaroff’s two Stations 77 and 82. 
| | 
| Russian 
Depth Heiz | Amundsen’s Amundsen's Stat. 32 Minor DEA Or 
in 18 8 8 N ne Stat. 24 Stat. 25 Aug. 1902 D PÅ PS 
Metres. Pag ~6! E L * |Aug. 20, 1901 Aug. 27, 1901 TS 27' E. Lat. Stat. 77 Stat. 82 
ey - Long. % 
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