ae ee .. 
PHYSICAL ayo LITERARY. 197 
ArT. VII. 
Some Phenomena obfervable in foggy Weather ; 
by thefame. 
\\NE may often meet with opportunities 
of making obfervations: but he may 
not always have leifure enough to judge of 
their importance, and make a proper ufe of 
them. This is the cafe at prefent, with re- 
fpect to what follows. 
I wave frequently obferved, in foggy wea- 
ther, during froft, that, when the fun was 
come to a proper altitude, there was a bow 
formed in the mift, of a white colour ; and 
the altitude of the bow feemed to fubtend 
an angle equal to the elevation of the fun 
above the horizon, and formed a femicircle. 
Tus kind of mift comes from the ocean, 
with a flow north-eafterly wind ; and over- 
fpreads all the lower grounds: but, in a 
country like ours, fo much diverfified with 
Jong ridges of hills, and interjacent plains and 
_ yalleys, one may often emerge out of the 
| mift 
