Conductivity of External Solution. Conductivity of External Solution. 
62 Stiles and j0rgensen— Studies in Permeability. IV. 
for distilled water. Distilled water after 48 hours only shows a conductivity 
of about a quarter of this value. 
pected from those already cited. The results obtained are shown graphically 
in the accompanying figures. By comparison of the various curves it will be 
noticed that the action on the permeability of the cell increases with increasing 
complexity of the molecule. Thus, with the octyl alcohol used, a solution of 
concentration of only 0*008 m. has a very rapid action in increasing the 
permeability of the cell. 
