OBSERVATIONS. 303 



REFLECTION ON FOG. 



When people walk in a deep white fog 

 by night with a Ian thorn, if they will turn 

 their backs to the light, they will see their 

 shades impressed on the fog in rude gigan- 

 tic proportions. This phenomenon seems 

 not to have been attended to, but implies 

 the great density of the meteor at that 

 juncture. White. 



HONEY DEW. 



June 4, 1783. Vast honey dews this 

 week. The reason of these seems to be, 

 that in hot days the effluvia of flowers are 

 drawn up by a brisk evaporation, and then 

 in the night fall down with the dews with 

 which they are entangled. 



This clammy substance is very grateful 

 to bees, who gather it with great assiduity, 

 but it is injurious to the trees on which it 

 happens to fall, by stopping the pores of 

 the leaves. The greatest quantity falls in 



