C ) 
VI, Ihe fame Appearance defcrih^i by John 
Hadley, Fs R,S, 
T he Royal Society hath received fo many and fo full 
Accounts of the frequent Northern Lights, which 
of late Years have been feen in Europe, and particularly 
of that remarkable one of the ^th of ORoher laft, that 
it feems needlefs at prefent to give a minute De- 
fcription of the whole Appearance. I fhall therefore 
only take notice of a few Particulars, which either 
have been omitted by. others, or by feme remarkable 
Circumftances attending them, feem moft likely to be 
ofufe to thofe who employ their Thoughts in attempt- 
ing to difeover the Nature and Caufes of thefe That- 
nomena. 
The firft fight I had of this Appearance, was about 
half an hour after Seven of the Clock; at which time 
it had nothing remarkable to diftinguifh it from thofe 
others which had been obferved almoft every Evening 
for fome time, except a dusky Rednefsarifing from the 
Weftern Extremity of the luminous Arch ; and that at 
the fame time there was feen another like hazy Arch 
low to the Southward, fainter, but more Ready than 
that to the North. I judg’d the higheft Point of it 
to be fomething more elevated than the Sun at Noon 
about the Winter SolRice. 
In a fiiort time after, the Northern Arch was rifen 
confiderably higher from the Horizon, and continued 
to advance towards the Zenith, till 8; when in one 
part it pafs’d among the uppermoft Stars of Qafiopeia, 
and in another clofe below the bright Star in the Harp, 
Ihe 
