109 
Temperature of the Lake of Geneva. 
Dates. 
Depth. 
Temp. 
Dates. 
Depth. 
Temp. 
1819. 
Sept. 
20. 
26. 
■ 
27. 
From Copet 
to Her- - 
mance. 
Fom Belle- 
rive to 
Messeri, 
From Mes- 
seri to 
Nion. 
Fr. Nion to 
NorthPoint. 
From this 
Cape to 
Yvoire, 
From Tho- 
non to 
Morges, 
(great 
lake). 
Path, 
" 5 
15 
19 
' 23 
35 
38 
35 
33 
28 
26 
25 
18 
^ 16 
35 
40 
40 
32 
27 
23 
13 
[ 26 
28 
' 31 
35 
36 
33 
25 
^ 14 
80 
123 
132 
123 
100 
35 
15 
Fahr. 
65° 
55 
52 
46 
44 
44 
44 
44 
45 
■45 
45 
57 
61 
44 
44 
44 
45 
48 
51 
57 
48 
48 
45 
44 
44 
44. 
47 
54 
43| 
43t 
43 1 
43i 
43J 
47 
57 
1819. 
Sept. 
27. 
28. 
29. 
30. 
Octr. 
1. 
From Mor- - 
ges to 
Ouchy, 
From Ouchy 
to Meille- - 
lie. 
From Meil- 
lerie to St ^ 
Gingoulph. 
From StGin- 
goulph to ^ 
Vevay, 
From Vevay 
to the Cas- ^ 
tie of Chil- 
lon. 
From Vevay ^ 
to Bolle, 
From Rolle 
to Yvoire, 
Path. 
28 
13 
38 
70 
40 
16 
148 
161 
150 
145 
,145 
128 
118 
110 
,109 
90 
104 
108 
. 98 
81 
59 
67 ' 
1 58 
137 
163 
164 
> 65 
35 
\ 
Fahr. 
30° 
60 
46 
44 
45 
52 
59 
43J 
43J 
43J 
43i 
43J 
43i 
43J 
48i 
43J 
43| 
48| 
43| 
43J 
44 
44 
44 
48| 
43J 
43^ 
44 
46 
From this Table, it appears, that at the depth of from 40 to 
70 fathoms, the temperature is 44° Fahr., with the exception of 
the 40 fathoms near Ouchy, where it is 45° ; that the temperature 
from 80 fathoms to the greatest depth, is invariably 43 J ; and 
that in the first 40 fathoms from the surface, the temperature 
varies according to circumstances, but always in such a way as to 
shew that the cold increases with the depth. 
