Publishing Committee. 



Prof. J. Sakurai, LL. D., Rigakuhakushi, Director of the College, (ex officio) 



Prof. /. Ijima, Ph. D., Rigakuhakushi. 



Prof. F. Omori, Rigakuhakushi. 



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



All communications relating to this Journal should be addressed to the 

 Director of the College of Science. 



