THE ARCTIC SEAS. 



135 



sponding points in the outermost circle, segments of 

 other eircles, wholly external, come into contact with 

 it. It is not often that this meteor is seen in the 

 perfection described : oecasionally the circles are too 



Mock Suns. 

 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 



