TABLES 575-576. 

 TERRESTRIAL MAGNETISM (.continued). 



TABLE 575. Total Intensity. 



This Uble rives for the epoch January i. HJI.S. tin- values of the total intensity, F, expressed in cgs units corre- 

 sponding to the longitudes in the heading ar.l tin- latitudes in the first column. 



TABLE 576. -Secular Change of Total Intensity. 



Values of total intensity, F, in cgs units for places designated by the latitudes and longitudes in the first two columns 

 for January i of the years in the heading. 



SMITHSONIAN TABLES- 



