( ) 
that is the Caufe of thofe terrible Cohvulfions, which 
Earthquakes are accompanied with. 
I forgot ( when I defenbed the Campy or Cordna) to 
fay, that it did not reft in one place ; but changed its 
Pofttion, fometimes higher near the Zenith, and then 
towards the Eaft, and South* Eaft, loor i$ Degrees, 
and then back again nearer the Zenith, according as 
the darting Matter direifted it : But 1 do not remem- 
ber, that this Canopy was at any time direifted to- 
wards the Weftern Points. 
In moft of the Iforthern Lights that I have feen, 
there generally was a dark Bank of Vapours, circular 
on the Top ; but whether this of 0/?. 8, had any fuch 
Arch, 1 could not fee at Upminfter^ where 1 was fur- 
rounded with Trees. 
II. m 
V 
