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 Terrestrial Magnetism and Atmospheric! ELECTEicinr. 



International quarterly journal founded in 1896 and now (1942) in its 

 forty-seventh annual volume. Published by the Johns Hopkins Press, 

 Baltimore, Md. Contains original contributions to all aspects of geo- 

 magnetism and geoelectricity together with current reports on solar and 

 geomagnetic activities. 



