226 CHEMISTRY OF PLANT LIFE 



References 



BECHHOLD, H., trans, by BTJLLOWA, J. G. M. "Colloids in Biology and 



Medicine," 463 pages, 54 figs., New York, 1919. 

 BURTON, E. F. "The Physical Properties of Colloidal Solutions," 200 pages, 



18 figs., London, 1916. 

 CASSUTO, L. "Der Kolloide Zustand der Materie," 252 pages, 18 figs., 



Dresden and Leipsig, 1913. 

 LEISEGANG, R. E. "Beitrage zu einer Kolloidchemie des Lebens," 144 pages, 



Dresden, 1909. 

 OSTWALD, W., trans, by Fischer, M. H. "Theoretical and Applied Colloid 



Chemistry," 218 pages, 43 figs., New York, 1911. 



OSTWALD, W., trans, by FISCHER, M. H. "A Handbook of Colloid-Chem- 

 istry," 278 pages, 60 figs., Philadelphia, 1915. 

 TAYLOR, W. W. "The Chemistry of Colloids," 328 pages, 22 figs., New York, 



1915. 

 ZIGMONDY, R., trans, by ALEXANDER, J. "Colloids and theUltramicroscope," 



238 pages, 2 plates, New York, 1909. 

 ZIGMONDY, R., trans, by SPEAR, E. B. "The Chemistry of Colloids," 274 



pages, 39 figs., New York, 1917. 



