13-35) 
Vol. III. No. 6. 
oR Ff MKS 
2 2 ot ee 
SEE BOK OR 
JOURNAL 
PPB RAY 
Or THe S COMP ZERO. Y; 
AMEREUG SW 
COLLEGE OF AGRICULTURE, 
IMPERIAL UNIVERSITY OF TOKYO. 
TOKYO. 
PUBLISHED BY THE UNIVERSITY. 
JuLY 28th, Taısyvö VIII (1919). 
N 
