of tbe Aurora Borealis. 333 
extending fron north-weft to north- caft, fupported by. a thick 
dufky cloud, as ufual ; through which feveral {tars were plainly 
vifible, efpecially one very near thehorizon. At eight o'clock, 
ftriæ began to fhoot. From 8^1:5' to 8^ 30’, the light fhot 
into different forms, detached in large {pots or clouds. . At 8** 
30’, a column of light arofe' from weft-north- weft.; and, pafi- 
ing about 15° north of Procyon, extended feveral degrees eaft 
of the meridian. At the fame time, another column afcended 
from nearly eaft, ata confiderable diftance from the horizon,— 
paffing a few degrees fouth of the other, and terminating a little 
weft of the meridian. Thofe parts of the heavens included 
between the Auroral clouds, had a fimilar appearance with the 
-dufky cloud, which ufually appears beneath; an Auroral arc. 
_ Stars were very vifible in thofe included- parts. The two co- 
lumns from eaft and weft, moved {lowly fouth a few minutes; 
and then difappeared. | Afterwards, the light decreafed. foie: 
o'clock, when it became an ordinary Aurora. 
April r1. A fmall Aurora, v 
7 eo Ditto.. | 
May 13. An Aurora comurienced jin the -— of the- 
evening ;—afcended in ftri ;—a te wards changed into, whitifh- 
- clouds, very thin, and in detachments pafíed the zenith,—tra- 
velled fouthward, and continued vifible within 20° of the ho- 
rizon. It foon declined, and ina little, time was reduced toa. 
common Aurora. 
29. A fimall Aurora. 
aa Aug. r Ditam , 
~I Doe ^ i: 
19.. Ditto.: $ Lys e 
