USE OF MIXED BUFFER MATERIALS 499 



separate article. Miss Margaret Brennan has studied the growth 

 of fungi on such regulated media in continuation of Dr. Meach- 

 am's work. It is hoped that other investigators will leave this 

 field to us for a reasonable time so that we shall have an oppor- 

 tunity to complete certain phases of the work which will then be 

 published in detail. 



REFERENCES 



Bbay and Abbott 1909 Jour. Amer. Chem.Soc.,31,729. Abbott: Ibid., 31, 763. 



Loomis and Acree 1911 Jour. Am. Chem. Soc, 46, 585, 621. 



Meacham 1918 Science, 48, 499. Meacham, Hoppield and Acree: This 



Jour., 5, 305, 309 (1920). 

 Pieper 1917 Phytopathology, 7, 214. 

 Prideaxtx 1916 Proc. Roy. Soc. A, 92, 463. 



