Publishing Gommittee. 



Prof. K. Yamagawa, Ph. B., Rigakuhakushi, Director of tlie College fex officio J. 



Prof. E. Divers, IVI. D., F. R. S., etc. 



Prof. D. Kikuchi, M. A., Rigakuhakushi. 



Prof. K. lYlilsukuri, Ph. D., Rigakuhakushi. 



272 r 



All communications relating to this Journal should be addressed to the 

 Director of the Colleg-e of Science. 



