58.11.044:9.67 



CONTRIBUTIONS FROM THE BERMUDA BIOLOGICAL STATION 



FOR RESEARCH. 



No. (50. 



DIRECT DETERMINATIONS OF PERMEABILITY. 



BY R. P. WODEHOCSE. 



FROM THE JOURNAL OF BIOLOGICAL CHEMISTRY, VOL. XXIX, No. 3. 



CAMBRIDGE, MASS., U.S.A. 

 APRIL, 1917. 



