OSMOTIC PRESSURES AND ELECTRICAL CONDUCTIVITIES 159 



7 10 20 31 10 20 30 10 20 31 10 20 31 10 



May June July Aug. Sept. 



FIG. 18. To SHOW CAV ABA'S RESULTS ON THE CHANGES OF OSMOTIC 



PRESSURE IN FRUITS DURING RIPENING. 



Depressions of freezing-point are plotted as ordinates, and the abscissae 

 represent the days of the months named. 



