Publishing Committee. 
Prof. J. Sakurai, 1.1. 1., Rigakuhacvushi, Director of the College (ex officio). 
Prof. I. Ijima, Ph. D., Rigakuhakushi. 
Prof. F. Omori, Rigakuhakushi. 
Prof. S. Watasé, Ph. VD. Rigakuhakushi. 
at- 
All communications relating to this Journal should be addressed 
to the Director of the College of Science. 
