PART I. ON MAGNETIC STORMS. CHAP. III. 2OI 



Current- Arrows for the 8th February, 1903; Chart II at 9 h 36 m , and Chart III at 10 h . 





\ 







II 



" 





. 



; 







. 



f 







7 





' 



Fxnpriil 



Fig. 88. 



1002100^1. 



26 



