( 5^6 ) 
L M Account of tk Aurora Borealis, at Lon- 
don, on the 3 oth of March lafl, as it was cu^, 
rioufly OhferVd by Mart^in Folkes, Efc['^ R. S. Soc. 
B Eing in the Street, between 8 and 9 a Clock on Sa- 
turday lad,- (30 Martii) I perceiv’d a Lighp over the 
Houles to the Northwards, Htrle inferiour to that the Full 
Moon gives when (he firfl: rifes, Upon. this, fufpeding lome 
fuch Meteor as we fawthe lafl; Year, 1 made all the halt 
I could into the Fields, where I immediately found my 
Conjedure. verified,; and was for fome time agreeably en- 
tertain’d with the fight of an Aurora Borealis^ attended 
with, moft of the Phenomena that have been delcribd ia 
that very remarkable one of the 6th of March, 1 7 1 5-6. 
The whole Northern Part of the Horizon was in the 
fame manner cover’d with fomewhat refembling a very 
confiderable Light, whole lower part was pretty well de- 
fin’d by the common Edge of the Cloud, but the upper 
dy’d away more gradually. This upper Limb of rhe Light 
refembling the Arch of a Circle, whofe highefl Point be* 
tween 9 and 10 of the Clock (when the Meteor was moft 
confiderable) was elevated about Degrees, and bore, as 
I imagin’d, about zo deg; Weft ward of the due North. 
It touch’d the Horizon in the Weft at the difiance of about 
65 or 70 Degrees from the North, whence the whole inter- 
cepted Arc of the Horizon would have been of near 
100 Deg. had not fome few Degrees in the Eaft been hid 
by Clouds which lay between us and the Meteor. 
The feeming black Cloud, when I firft (aw it, ran near- 
ly parallel to the Horizon, and at the diftance of 6 or 7 
Degreear but in about half an Hour it changed its Figure 
very 
