LXXX ROYAL SOCIETY OF CANADA 



all the trace readings have been reduced to absolute values in C.G.S. 

 units for publication. The increase in westerly declination continues at 

 the rate of about 4' per annum; the dip has increased from 74° 32'. 6 

 in 1903 to an average of 74° 37'.1 during the past three months. The 

 total force has diminished from 0.61792 in 1903 to 0.61638, and the 

 horizontal force from 0.16468 to 0.16349. The accompanying plates 

 shew the observatory record of a large magnetic storm which occurred 

 during March 26th and 27th, 1908. Several improvements and addi- 

 tions to the equipment of the Observatory will be made during the 

 current year. 



