448 REPORT—1862. 
Taste ITT. (continued.) 
Temperature of the Air. 
Ascending. Descending. 
Height, in feet, 
Tevel of the sea. [pet ob “ated. |B ob “ated. 
+ |Between!,- - ate: etween|,.- - ate 
what |CHCUM-| oped Adopted | roct of h Circum-| ... Adopted 
dimes. |t8nees.) femmn, | fEMP- |iseurb-|/ dunes. (SEDCES-! ern, | EMP. | Teta. 
ance. ance. 
September 5. FA - 5 k 2 3S 
29000 — 53/— 573 oo 
28000 — 45/— 45 foo) 
27000 — 36/— 36 oo 
26000 — 2°6|— 2°6 o'0 | 
25000 — 16\— 16 foe) ee [— 2°0/— 2°0 foe) 
24000 : o70}— o°5 |+ 0'5 — o79/— o'9 o"o 
23000 + 2:2/+ ro|+ 12) oe [12/4 12 oo 
22000 4°6 2°5 21 | ae 8-0 3°3\+ 47 
21000 3 7-2, 4°5 OF os 14'0 els 8-5 
20000 = i toro} 675] ~ 975 | “4 16:8) A727" cxo7x 
19000 a = 15"0 g'0 6:0 f os 17°5| 10'o 75 
18000 a cs) T5r§ | Ess 4/0 3 ° 1728) F276 58 
17000 a © 16°38] 14:0 2°8|| 6B oe 17°38] 14°8 3°0 
16000 “4 = 17°5| 165/+ ro} & Sc 180] 17°5|-+ o5 
15000 = <= 19°5| 19°5 ool] oe 20°0|. 20°0 oo 
14000 a 22°0| 22°0 oo 3 a 22r eae ak oo 
13000 « 24°5| 24°5| ool & 46 25°0| 25:0} ovo 
12000 = 27:0] 2770; ool] & ‘ 27°38| 278] oo 
11000 S 29°38) 29°8 o'0 | S oe 30°5] 30°5 "0 
10000 & gztz,|\/ °9272, oo} oe 33°70] 33°0 oo 
gooo 35°0| 3570 oo} § oe 361} 3671 oo 
8000 38°5) 38°5 oye | (aa oe 38°7| 38°7 oo 
7000 33°9| 42°0|— 81 ee 414] 41°4 oo 
6000 ——| 370| 46:0 g'0 | oe 44°5] 44°5 070 
5000 a 40°8| 50°0 92 ee 4772) 4772 oo 
4000 2 44°38) 54°5 9°7 oe 50°0| 50°0 foe) 
3000 cs) 48:9] 6070] 11°1| ee 53°0| 53°0 o'o 
2000 = 53°70] 65:0] 12°0 os 56°0| 56°0 oo 
1000 ne, yee) | 70°0)|. Tas ae 59'2| 5972 oo 
° a 62:0}  77°2|—15°2 -% 62°6| 62°6|* oo 
of observed and adopted temperatures were laid down on a diagram, and the 
temperatures at each 1000 feet as taken from the diagram are inserted in the 
preceding Tables. 
September 5.—In this ascent on passing out of the clouds there was an 
increase of 9°, and then there was no interruption in the decrease of tempe- 
rature till the height of 15,500 feet was reached, when a warm current of 
air was entered and continued to 24,000 feet, after which the regular decrease 
of temperature continued to the highest point reached. On descending, the 
same warm current was again met with between 22,000 and 23,000 feet, and 
a similar interruption, but to a greater amount, was experienced till the 
balloon had descended to about the same height as it was reached on 
ascending ; after this there was no further interruption in the regular increase 
of temperature, the sky being clear till the descent was completed. An 
inspection of the Table will show the locality and extent of the warm current 
of air and the temperature at every 1000 feet both in the ascent and descent, 
with the probable amount of the increase of temperature caused by the warm 
stratum of air, and also the probable amount of loss of heat under the clouds 
caused by their presence, 
