

je îtï 5Rï m :fc ^ se H- 



§»i •+- X * 



Tire 



JOURNAL 



OF THE 



COLLEGE OE SCIENCE, 



IMPERIAL UNIVERSITY OF TOKYO, 

 JAPAN. 



VOL. XIX. 



M m ft m * * PP fr 



PUBLISHED BY THE UNIVERSITY, 



TOKYO, JAPAN. 



1903—1904. 



MEIJI XXXVI.— XXXVII. 



