20 



AKSEL S. STEEN. 



M.-N. Kl. 



MN 3 6 9 NOON 3 



Fig. 2, 



If we first look at the curve for the stations in the northern anti- 

 polar section, we shall notice the following: 



I. The curve for the most northerly station, Cape Thordsen, is not 

 very characteristic; but farther south we distinctly see how the 

 sun, when above the horizon of the place, makes its influence 

 felt in a manner that is dependent upon the geographical latitude 



