A CLASSIFIED LIST OF BOOKS FOR REFERENCE 

 IN PLANT PHYSIOLOGY 



Physics, General Chemistry and Mathematics 



Bernthsen, A., A Text-book of Organic Chemistry, English translation, edited by J. J. 

 Sudborough. 674 p. New York, 1907. 



Comstock, Daniel F., and Troland, Leonard T., The Nature of Matter and Electricity, an 

 Outline of Modern Views. 203 p. New York, 191 7. 



Davenport, C. B., Statistical Methods, with Special Reference to Biological Variation. 

 3d ed. 225 p. New York, 1914. 



Holleman, A. F., and Cooper, H. C, A Text-book of Inorganic Chemistry. 6th Eng. 

 ed. 527 p. Philadelphia, 1921. 



Holleman, A. F., and Walker, A. J., A Text-book of Organic Chemistry. 5th Eng. ed. 

 642 p. New York, 1920. 



Mellor, J. W., Higher Mathematics for Students of Chemistry and Physics, with Special 

 Reference to Practical Work. 641 p. London, 1909. 



Northrup, E. F., Laws of Physical Science, a Reference Book. 210 p. Philadelphia, 191 7. 



Nutting, P. G., Outlines of Applied Optics. 234 p. Philadelphia, 191 2. 



Ostwald, Wilhelm, The Principles of Inorganic Chemistry. Translated by Alexander Find- 

 lay. 3d ed. 801 p. London, 1908. 



■ — — — , The Fundamental Principles of Chemistry. Translated by Harry W. Morse. 

 349 p. New York, 1909. 



, Introduction to Chemistry. Translated by William T. Hall and Robert S. Wil- 

 liams. 36S p. New York, 1911. 



Willows, R. S., and Hatschek, E., Surface Tension and Surface Energy and their Influence 

 on Chemical Phenomena. 114 p. 2d ed. London, 1919. 



Physical Chemistry and Colloid Chemistry 



Clark, W. M., The Determination of Hydrogen Ions. 2d ed. 480 p. Baltimore, 1922. 



Cohen, Ernst, Physical Chemistry for Physicians and Biologists. Translated by Martin 

 Fischer. 343 p. New York, 1903. 



Findlay, Alexander, Osmotic Pressure. 84 p. London, 1913. 



Freundlich, Herbert, Kapillarchemie, eine Darstellung der Chemie der Kolloide und ver- 

 wandter Gebiete. 591 p. Leipzig, 1909. 



Hatschek, E., An Introduction to the Physics and Chemistry of Colloids. 172 p. 4th (re- 

 vised) ed. London", 1922. 



Jellinek, Karl, Lehrbuch der physikalischen Chemie. Vol. I, 715 p. Stuttgart, 1914. 

 Vol. II, 909 p. Stuttgart, 1915. [Two more volumes to follow.] 



Lewis, William C. McC, A System of Physical Chemistry. 2d ed. 3 vols. 494, 403 and 

 209 p. London and New York, 1918, 1919, 1921. 



Nernst, Walther, Theoretical Chemistry from the Standpoint of Avogadro's Rule and 

 Thermodynamics. Translated by Chas. Skeele Palmer. 697 p. London and New York, 



1895. 



Ostwald, Wolfgang, A Handbook of Colloid Chemistry. 2d Eng. ed., translated from 

 the 3d Ger. ed. by Martin Fischer, with notes by Emil Hatschek. 266 p. Philadelphia, 

 1919. 



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