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 THE 



JOUENAL 



OF THE 



COLLEGE ,0E S( lENCE, 



IMPERIAL UNIVERSITY OF TOKYO. 

 Vol XXXVII. 



:^ :5ï ^ s ;^ ^ pp ff 



PUBLISHED BY THE UNIVEKSITY. 

 TOKYO, JAPAN. 



1914-1917. 

 TAISHO 3-6. 



