46 
In 1867 the mean was 64:202°=4-°708° lower than this year. 
1868 ae 64°362°=4°548° =“ a 
1862 # 68°951°= 041 higher ut 
1865 is Zils =s 80 ~~“ u 
With these exceptions, it has been warmer than any year 
for the previous ten years. The maximum was higher also 
in 1870. The minimum lower in four out of the ten. The 
highest temperature reached in the sun was 100°. The preva- 
lent wind was 8S. W. Lightning occurred on the 3d, but no 
thunder. Meteors, on three evenings, two of them were bril- 
liant. The Aurora Borealis was observed eight times, that 
on the evening of the 24th was very fine; a beautiful corona 
was formed about 11 P. M. and continued for some time, the 
colors of the massed clouds varying, whilst the beams shoot- 
ing through them were white, many reaching to the zenith. 
It rained in appreciable quantities on six days, and on one 
very, slightly; the quantity was 2°38 inches. The only 
equinoctial storm before the 30th, was on the 17th, and then 
¥ lasted only a few hours. 
The mean of the Barometer was 29-968 inches, 
Maximum 2: “ on the 8th 30°284 A 
Minimum BE x Ath ©29°603 - 
Range 681 « 
On the 14th, three days before the equinoctial storm, (?) 
the barometer was 30°222 in., on the day of the storm it was 
from 29-901 in. at 7 A. M., to 29-969 in. at2 P.M. It fella 
little on the next day, (18th) and rose again from that time to 
the morning of the 22d, when it was 30265 in. After that 
;t fell again. 
The mean of the barometer for the month of September. 
in 1868 was 29°879 in. 
Taig 29) 0 dag 30°025 in. 
The Chairman, Mr. J. W. Warp, said he had observed 
that Prof. Morris had used the term “ Equinoctial Storm,” and 
in relation thereto, he would like to ask if he believed that 
there was such a thing as an Equinoctial storm, or a preva- 
