( 4 1 ) 
from the horizontal Bounds throughout the whole 
Meteor Arch-wife, whofe greateft Height was about 
if 0 - 
Observation XV. 7^ 47'. 
The Flame-coloured Arch much diminilhed. The 
Rednefs very evident, and contiguous ; though in fome 
Places of different Intenfities, and vifibly increafing 
about N by W. O11 each Side of which there was a 
diftinguilhed Ruddinefe. 
Observation XVI. 7 h 71'. 
The Diftin&ion of Rednefs about N by W. chan- 
ged to a more intenfe uniform Rednefs, which feemed 
to be by the Union of the aforefaid diftinguilhed Areas ; 
and the greateft Intehfity was in the middle Space that 
was between them j viz. N by W. At this Junfture 
I was not a little furprized with an extraordinary Flalh 
of Lightning very bright, which began about the Midft 
of this congregated Vapour, and ran with an oblique 
undulatory Motion for zo° towards the Horizon. 
O B s ER V A T IO N XVII. 8 h It. 
The Rednefs ftill continues, but much abated. 
Observation XVIII. 8 h 9'. 
The Meteor fcarce to be diftinguilhed but by the 
Aurora, which reaches from N W. to E. in fuch Sort 
of Curve that the higheft Part is due North about 40° 
of Altitude. There is ftill a reddilh Caft N N W. 
O B S E R- 
