^ p ^ 





i\^ 





THE 



JOURNAL 



OF THE 



COLLEGE OF SCIENCE, 



IMPERIAL UNIVERSITY, 



jj^:pa.n. 



VOL. VI. 



-•— 



# ® :;'c ^ fP If 



PUBLISHED BY THE UNIVEESITY. 



TOKYO, JAPAN. 



1894. 



MEIJI XXVII. 



