'^j^ p :5^ 



^ 



% 



THE 



JOURNAL 



OF TUK 



COLLEGE OE RCIENCE, 



IMPERIAL UNIVERSITY, 



jAi^A^r. 



VOL. V. 



'îff H ;/< ^ I'll If 

 PUBLISHED BY T1I1<^. UXIVERSTTY. 



TOKYO, JAPAN. 



1893. 



MEIJI XXVI. 



