CONTENTS OF VOLUME VI- 
I. Further Data on the Reduplication in Silkworms. By Y. Tanaka. i 
n. 1 On the Occurrence of Creatinin in Leguminous Seeds. By K. 
Oshima and M. Ariizumi 17 
2 Vher die kolloidalen Eigensghaften der sauren Böden in 
Japan- Von T. Tadokoro 27 
