614 



ance-deflection at the different hours at Point Barrow, a very con- 

 siderable approximation towards accordance is perceived between the 

 frequency of the Aurora and the amount of the westerly deflections ; 

 whilst, on the other hand, the auroral hours appear to have little or 

 nothing in common with the turning-hours, or with the progression, 

 of the easterly deflections. 



