Publishing Committee. 



**■- 



Prof. K. lYlitSllkuri, Ph. D., Rigakuhakushi, Director of the College 



{ex officio). 

 Prof. J. Sakurai, LL. D., Rigakuhakushi. 

 Prof. |. Ijima, Ph. D., Rigakuhakushi. 

 Prof. F. Omori, Rigakuhakushi. 

 Prof. S. Watasé, Ph. D., Rigakuhakushi. 



NOTICE. 



Beginning with Vol. XVI., each article luill have a paging of its 

 own ; and the position of an article in a volume will he indicated by 

 the number placed at its head. 



It is hoped tJiat this arrangement, which enables us to print papers 

 independently of one another, loill ensure a more rapid publication of the 

 material than has been possible heretofore. 



All communications relating to this Journal should be addressed to the 

 Director of the College of Science. 



