70 
FIFTEENTH REPORT. 
the chemical analysis of the soil solution, I refer to that which I have 
already said. 
C/ 
Our work can by no means be looked upon as complete, but I dare 
say that the results are promising, and that I feel happy to be able to 
present to the reader the preliminary results which have been obtained 
by the application of the methods of Mr. Itano and myself. 
