MOCK SUNS. 



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Mock suns, or pwrlwlia,, are common appearances 

 in northern skies. Sometimes two of these mock 

 suns are seen, one on each side of their great 

 original, glowing so brightly that either of them, if 

 we could suppose it to have shone in the sky alone, 

 would have made a very respectable sun indeed ! 



MOCK SUNS. 



Even four of these " sun-dogs" as they are some- 

 times called have been seen surrounding the sun ; 

 one on each side of it, one directly above, and one 

 immediately below, with a ring of light connecting 

 them together, a streak of light passing horizontally 

 and another passing perpendicularly between them, 

 thus forming a luminous cross, in the centre of 



