| 
} 
Prof. E.. Loomis on the Aurora of 1859. 345 
vanished. At 10 p.m. the brightness was much diminished; at 
108 15™ revived; the northern arch very brilliant and slightly 
tinged with crimson. At 10% 30™ the arch extended from E. to 
N. 85° At midnight the exhibition was still fine. From 24 
to 8 A. M coruscations of white light shot up all along the hori- 
zon from KE. to S. 15° W. ‘The aurora continued to ecline, till 
the dawn of day. 
18. Observations at Henry Co., Indiana, (lat. 40°, long. 85° 15’), by 
Wituram Dawson. 
Aug. 28th, about 9 p.m. a red cloud covered a large portion of 
the eastern sky with a similar one in the N. W. and several large 
luminous beams extended from the north point to the zenith. 
Soon the red disappeared, and the bright streaks grew much 
shorter, leaving a bright cloud brilliantly fringed with white, near 
the northern horizon. After some minutes, several small bodies, 
'o a point 15° or 20° south of the zenith, where these flashing 
lights presented the appearance of a cloud, tinted with vermil- 
k 
with darting streamers nearly as before, and the ght seemed 
in a great 
f streamers 
8an to shoot up streamers, and soon became a mass OI! s 
eich filled the ‘whole northern sky, darting up to a point about 
ea . v 
Most] As d crimson red above. At 1 
ae ae the bank of vapor, dark below 
horizon, rising to the height of 20° or 25°. ‘The light was equal 
