THE ARCTIC SEAS. 135 
sponding points in the outermost circle, segments of 
other circles, wholly external, come into contact with 
it. It is not often that this meteor is seen in the 
perfection described: occasionally the circles are too 
ewer 
SS 
Mock Sons. 
The scene is the coast of Barrow’s Strait. 
faint to be visible; and the mock suns alone are 
seen in the usual places, and sometimes but one or 
two of them. Another singular appearance, called 
the fog-bow, of great beauty and interest, is thus 
described by Mr. Scoresby: “The intense fogs 
which prevail in the Polar Seas, at certain seasons, 
occasionally rest upon the surface of the water, and 
reach only to an inconsiderable height. At such 
