/^7 



^ H :^ 



m m- 



THE 



JOURNAL 



OF THE 



COLLEGE OE SCIENCE, 



IMPERIAL UNIVERSITY, 



J AI>A]Sr. 



VOL. VIL 



^ m i^ ^ ^\i n 



PUBLISHED BY THE ÜN1VEKÖ1TY. 



TOKYO, JAPAN. 



18 9 5. 



MEUT KXVIIl. 



