MAGNETIC OBSERVATIONS 



Summary of observations of magnetic intensity at Alger Island Continued 



357 



From these results the mean value of the magnetic horizontal intensity at Alger Island, 

 practically applying to mean of day, is 



7161 r for the epoch J9Q5.53. 



SUMMARY OF MAGNETIC ELEMENTS AT ALGBR ISLAND 



The following shows in one view the mean results obtained by the expedition at the 

 Alger Island station, all the values applying practically to mean of day : 



Latitude of station is 81 21.5 N. 

 Longitude of station is 56 05.5 E. 



