LITERATURE CITED. 



1. Ayers, S. H., and Johnson, W. T., jr. 



1910. The bacteriology of commercially pasteurized and raw market milk. 

 U. .S. Department Agr., Bur. Anim. Indus. Bui. 126. 



2. Ayers, S. H., and Johnson, W. T., jr. 



1913. A study of the bacteria which' sursdve pasteurization. U. S. Dept. Agr., 



Bur. Anim. Indus. Bui. 161. 



3. Beau, M. 



1904. Dosage de I'acide citrique dans le lait. In Rev. Gen. Lait, v. 3, no. 17, 

 p. 38.5-396. 



4. Conn, H. W. 



1899. Bacillus no. 66. In Conn. (Storrs) Agi-. Expt. Sta., Ann. Rpt., p. 54. 



5. Doryland, C. J. T. 



1916. Preliminary report on synthetic media. In Jour. Bact., v. 1, no. 2, 

 p. 13.7-152. 



6. Folin, Otto, and Farmer, C. J. 



1912. A new method for the determination of total nitrogen in urine. In Jour. 

 Biol. Chem., v. 11, no. 5, p. 49.3-505. 



7. Jtlaassen, Albert. 



1895. Beitrage zur Emahrungsphysiologie der Spaltpilze. InKxh. K. Gsandht- 



samt., V. 12, pt. 2, p. 340-411. 



8. Petruschky, J. 



1896. Bacillus fsecalis alcaUgenes. In Centbl. f. Bakt. (etc.), 1 Abt., v. 19 



no. 6/7, p. 187-191. 



9. Seiffert, G., and Wymer, T. 



1912. Die Brauchbarkeit der Nahrlosung nach Seitz als Ersatz fiir Lackmus- 

 molke. In Arch. Hyg., v. 76, pt. 7, p. 300-312. 



10. Shippen, L. P. 



1914. Principal types of micro-organisms in Baltimore milk. In Bui. Johns 



Hopkins Hosp., v. 25, no. 278, p. 122-128. 



11. Temple, J. G. 



1914. Nitrification, in acid or nonbasic soils. Ga. Agr. Expt. Sta. Bui. 103. 



12. Wolff, Arthur. 



1908. Zar Kenntnis der Yeranderungen in der Bakterienflora der frischen Milch 

 wahrend cles sogenannten Inkubationsstadiums. In Centbl. f. Bakt. 

 (etc.), 2 Abt., V. 20, no. 18/20, p. 54-5-563. 



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