1880.] 
79 
[Nichols. 
pressure. The results obtained at the surface, and at the bottom, were as follows. The 
depth is given in Vienna feet, the temperature in Eeaumur degrees. 
Traunsee, 
August 
30, 
1848. 
Surface 
14°.4 R. 
44 
44 
44 
44 
500-600 feet 
30.5 R. 
Attersee, 
September 2, 
44 
Surface 
140.8 
44 
44 
1C 
44 
300-500 feet 
. 
30.4 
Mondsee, 
44 
3, 
44 
Surface 
15°.6 
ii 
44 
44 
44 
200 feet 
30.5 
Ober. Wolfgangsee, 
44 
4, 
ii 
Surface 
140.5 
ii ii 
44 
44 
44 
300-350 feet 
30.5 
Unter. Wolfgangsee, 
44 
44 
ii 
Surface 
150.0 
<( u 
44 
44 
a 
200 feet 
40.0 
Ober. Hallstatter See, “ 
6, 
44 
Surface 
120.0 
« n 
44 
Cl 
<( 
44 
200-350 feet 
30.5 
Unter. “ 
44 
<1 
u 
44 
Surface 
120.1 
ii ii 
44 
Cl 
Cl 
44 
100 feet 
40.6 
Grundelsee, 
August 27, 
44 
Surface 
150.1 
u 
44 
44 
44 
200 feet 
30.6 
Toplitz See, 
44 
44 
44 
Surface 
140.1 
(C u 
44 
44 
44 
100-300 feet 
40.6 
Altausseersee, 
ii 
18, 
44 
Surface 
120.9 
ii 
ii 
44 
44 
60-150 feet 
30.8 
Vord. Gosausee, 
44 
20, 
44 
Surface 
120.6 
<( « 
44 
44 
44 
175-200 feet 
30.8 
Hint. Gosausee, 
41 
44 
44 
Surface 
120.2 
44 44 
44 
ii 
44 
125 feet 
80.8 
Thi9 paper also contains the results of observations on the Hallstatter See, in 
1849, on April 19 and 27, May 4, 11 and 25, August 31 and November 5, as well 
as a general discussion of the matter of lake temperatures.] 
f Simony, F. — Die Seen der Alpen. Oester. Revue, 1864, i, p. 186. 
f Simony, F. — Die Seen des Traungebietes. Oester. Revue, 1864, 
V, p. 190. Zeitschr. fur Erdkunde, (2) xvii (1864), pp. 239-243. 
| Simony, F. — Beobachtungen liber Temperaturen und Wasserdruck 
in grosseren Seetiefen (Alpenseen) walirend d. Jahre 1868 und 1869. 
Arch, fur Seewesen, 1870, p. 205. 
Simony, F. — Ueber Temperatur und Tiefenverh'altnisse des Konig- 
sees. Wien. Sitzungsber. (Math-Nat. Classe), lxix, ii (1874), pp. 
655-676. f L’Institut, ii (1874), p. 317. Full abstract in Fortschr. d. 
Phys. xxx (1874), pp. 1259-1264. 
[Observations on October 19, 1873, showed a regular decrease in the temperature 
from the surface (11°. 80 C), to a depth of 200 ft. (Vienna). From 200 ft. to the bottom, 
590 feet, the temperature was 4°. 55. These observations do not agree with those ob- 
tained by Jolly (Munch. Sitzungsber., 1862, ii, pp. 248-280), and doubt is thrown upon 
the reliability of Jolly’s batho-thermometer. The paper also contains a table show- 
