392 M. Quetelet on the Aurora of 1859, 
The galvanometers were violently deflected, sometimes to the 
right and sometimes to the left. The needles were turned from — 
zero 10° or 20°, remained there stationary for a short time, then 
suddenly moved to 80° or 50°, then returned and were deflected — 
in like manner on the other side of the zero point. The : 
was more powerful and longer continued on the lines from Paris _ 
to Bordeaux, Marseilles and northward, than it was on the east — 
and west lines. During the night of Aug. 29th some intelligible — 
signals were received from Strasbourg. i 
During the day, Aug. 30th, the telegraph operators experienced — 
frequent interruptions. On the afternoon of Sept. 1st some dir — 
ficulty was experienced in telegraphing; but Sept. 2nd, at 4 
50™ A. M., there was a general disturbance on all the lines, first 
on those to Bordeaux, Toulouse, Marseilles, London and Brus — 
sels, and a few minutes later on those to Basle, Strasbourg, — 
Havre and Brest. At 7A. M. bright sparks were noticed on the — 
conductors of the lines to Bordeaux and Toulouse. The line to s 
Strasbourg was less affected than the others. About3P. w. tele 
graphic communication was resumed on all the lines; but dur 
ing the evening and the next morning it frequently happened 
that the communication was difficult. 
Observations of Ozone. as 
Regular observations are made at Versailles on the amount of J 
ozone in the atmosphere. During the auroras of Aug. 29 and ‘ 
Sept. 2, the quantity of ozone was decidedly greater than usual. 4 
The following table shows the sums of ozone collected dumng — 
each period of six days, from Aug. 4, to Sept. 8, 1859:— 
Morning. Evening. if 
From Aug. 4 to Aug. 10 64:0 59° a 
Aug. 10 to Aug. 16 87:0 59°0 a 
Aug. 16 to Aug. 22 82:0 600 
Aug. 22 to Aug. 28 65-0 550 7, 
Aug. 28 to Sept. 2 97°0 64°0 
Sept. 2toSept. 8 81:0 580 
5. Observations at Brussels, (lat. 50° 51’), by M. QuETELET, from 
LInstitut of Feb. 1, 1860. : 
At 12% 85m 4, w. Aug. 29th, the sky was overcast with aie 
and uniform veil, with the exception of the northern age 
which presented a slight appearance of twilight. Soon © ie 
appeared in the N.W. a rosy light, which, im a few of € 
assumed enormous dimensions. It rose to an altitude” 
and illumined all that portion of the sky. The rosy I the 
idly extended, and soon changed to purple, presenung © 
pearance of a vast conflagration. There was a constant 
tory movement, and the light varied froma bright y 
