916 CULTURE MEDIA FOR CULTIVATION OF MICROORGANISMS 



Arnd, Th. 1916. Beitriige zur Kenntnis der Mikrobiologie unkultivierter und kulti- 

 vierterHochmoore. Centr. f. Bakt. II Abt., 45: 554-574. 



Aronson, Hans. 1915. Eine neue Methode der bakteriologischen choleradiagnose. 

 Deutsche med. Wchnschr., 41: 1027-1029. 



Avery, Oswald and Cullen, Glenn E. 1919. The use of the final hydrogen ion concen- 

 tration in differentiation of Streptococcus haemolyticus of human and bovine types. 

 Jour. Exper. Med. 29: 215-234. 



Ayers, S. Henry. 1916. Hydrogen-ion Concentration in Cultures of Streptococci. J. 

 Bact.,1: 84. 



Ayers, S. Henry, Johnson, W. T. Jr., and Mudge, C. S. 1924. Streptococci of souring 

 milk with special reference to Streptococcus lacti. J. Infect. Dis., 34 : 29-48. 



Aters, S. Henry and Johnson, Wm. T. Jr. 1924. Studies of the Streptococci. VII. 

 A medium for stock cultures of streptococci and other bacteria. J. Bact. S: 111- 

 114. 



Ayers, S. Henry and Mudge, Coxjrtland S. 1920. Milk powder agar for the determina- 

 tion of bacteria in milk. J. Bact. 5: 565-588. 



Ayers, S. Henry and Mudge, Courtland S. 1922. The relations of vitamines to the 

 growth of a streptococcus. J. Bact. 7: 449-464. 



Ayers, S. Henry, Mudge, Courtland S. and Rupp, Phillip. 1920. The use of washed 

 agar in culture media. J. Bact. 5: 589-596. 



Ayers, S. Henry, Rupp, Phillip and Mudge, Courtland S. 1921. The production of 

 ammonia and carbon dioxide by streptococci. J. Infect. Dis., 29 : 235-260. 



Ayers, S. Henry and Rupp, Phillip. 1918. A synthetic medium for the direct enumera- 

 tion of organisms of the colon-aerogenes group. J. Bact., 3 : 433-436. 

 1918. Simultaneous acid and alkaline bacterial fermentations from dextrose and the 



salts of organic acids respectively. J. Infect. Dis., 23: 188-216. 

 1922. Differentiation of hemolytic streptococci from human and bovine sources by 



the hydrolysis of sodium hippurate. J. Infect. Dis., 30: 388-399. 

 1920. Extracts of pure dry yeast for culture media. J. Bact. 5 : 89-98. 



Ayers, S. Henry, Rupp, Phillip and Johnson, William T. Jr. 1923. The influence of 

 surface tension depressants on the growth of streptococci. VI. Studies of the 

 Streptococci. J. Infect. Dis., 33: 202-216. 



Bachmann, Freda M. 1923. Effect of spices on growth of Clostridium hotulinum. J. 



Infect. Dis., 33: 236-239. 

 Bachmann, Fritz. 1912-13. Beitrage zur Kenntnis obligat anaeroberBakterien. Centr. 



f. Bakt. II Abt., 36: 1-41. 

 Baehr, George and Plotz, Harry. 1917. Blood-culture studies on typhus exanthe- 



maticus in Serbia, Bulgaria and Russia. J. Infect. Dis., 20: 201-218. 

 Baeslack, F. W. and Keane, Wm. E. 1920. The Diagnosis of primary syphilis by culture. 



J. Am. M. Ass., 74: 392. 

 Baginsky, a. 1888. Zur Biologie der normalen Milchkothbakterien. Ztschr. f. physiol. 



Chem., 12: 434-462. Abs. by Bentell, Centr. f. Bakt., 4: 201-205, 1888. 

 Bahr, L. 1916-17. "Giirtner-Bacillen" und "Rattenschiidlinge." Centr. f. Bakt., 79: 



20-24. 

 Bailey, Sadie F. 1925 "Hormone Mediums." Simple method of preparation and value 



of hormone blood agar for preserving pneumococci and streptococci. J. Infect. 



Dis., 36: 340-342. 

 Bailey, Sadie F. and Lacy, George R. 1927. A modification of the Kligler lead acetate 



medium. J. Bact. 13: 183-189. 

 Bainbridge, F. a. 1911. The action of certain bacteria on proteins. J. Hyg., 11: 341- 



355. 

 Baker, H. R. 1922. Substitution of brom-thymol-blue for litmus in routine laboratory 



work. J. Bact. 7: 301-305. 



