[ <Soo ] 
which appeared like a red Veil, declining to the 
North, where it loft itfelf behind the Clouds. 
nh. (s'. The Light gathered new Strength, and 
was all at North, up to 20 Degrees of Altitude, the 
Zenith being quite clear of it. The Brightnefs was 
greateft about the Pole, and grew weaker as it receded 
from it, taking in, upon the Whole, 90 Degrees of the 
Horizon. The Clouds continued to increafe, and 
prevented feeing the Thtenomenon but now-and-then ; 
and in this manner the Light lafted to the 13th [ift] 
Hour. Some fay they have feen Foot-fteps of it at the 
1 6th [4th] Hour ; but our Company parted long be- 
fore from the Obfervatory, thinking it intirely at an 
End 5 and the rather, becaufe the Clouds had de- 
prived us of all Hopes of being able to purfue the 
Obfervation. 
I fhall add fome things which have been courte- 
oufty communicated to me by the celebrated Dr. 
Beccari , and are of his own Obfervation. 
The Day of the Aurora , the Barometer was very 
high, viz. at 2 8 Degrees 5 \ Lines. The preceding 
Day, the Winds were different, in different Regions 
of the Air. Near us [the Earth], the Wind was 
Weft- north- weft, and pretty cold. Higher up, the 
Clouds came from the Eaft, and moved Weftward ; 
which Clouds were globular Collections of Mifts. 
Above that Region the Wind blew at South-weft by 
South, as appeared by fome fmall Flcaks of Clouds 
coming from that Quarter. The 16th Day, the 
Wind that reigned in the Region of the Clouds was 
Greco-tramontana , and was in the Second Degree of 
Strength. 
Se- 
