^•iv 



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#1- 



THE 



JOURNAL 



OF THE 



COLLEGE OE SCIENCE, 



IMPERIAL UNIVERSITY OF TOKYO, 



.JAI>AISr 



VOL. X. 



M -M '^ m j^ ^ ^\] ^1 



PUBLISHED BY THE UNIYEESITY 



TOKYO, JAPAN. 



1896-98. 



MEIJI XXIX-XXXI. 



