( 17 ) 
always mean the Middle of the Northern dusky Va- 
pour ) rofe to a furprifing Height. It was 8° or ro° 
in Breadth ; of a light Azure tinged with Green, and 
in feveral Places ftreaked vertically with a bright Flame- 
Colour. There was alfo N W by N. a large Area or 
Body of a very intenfe Red. 
Observ ation IV. 6 1 * 45 F i g. z. 
The whole extraordinarily luminous. The Red 
diffufed in all Parts above the greenilh Light, which now- 
bounded the duskifh Vapour in the North ; and indeed 
feveral Parts of this were tinged therewith alfo. But 
the molt intenfe Red was towards the N W. and N E. 
byE. between which were various pyramid ical Streams 
of different Colours, fome Blue, fome Green, others' 
Flame-coloured, &c. many tinftured with, and all 
terminated by the diffufive Rofinefs. One Stria was 
of a furprifing Luftre, of a light Azure turned upon 
Green, appearing N W. by N. This Scene was very 
beautiful, the Height of each Column about 45 0 , ana 
many of them well defined. 
Observation V. 6 h 5 o'. 
The enlightned Part of the Hemifphere was every 
where tinged with Red :> its horizontal Bounds the 
fame as before, but its Altitude about 70®. Whence 
it appears the Aurora is confiderably extended up- 
wards. The reddifh Call on the right Hand from 
North toEail: was beautifully diftinguilhed into perpen- 
dicular Stride, which generally obferved the following 
Order of Colours, beginning from the Eaft; viz. a deep 
Azure, which fucCeflively proceeded to the lighteft 
«H z Blues 
