26 BULLETIN 118, U. S. DEPARTMENT OF AGRICULTURE. 



LITERATURE CITED. 



American Public Health Association, Laboratory Section. 



1912. Standard Methods for the Examination of Water and Sewage. 2d 

 ed. New York, Amer. Pub. Health Assoc, 144 p. (Cover title: 

 Standard Methods of Water Analysis. A. P. H. A. 1912.) 



Folin, Otto, and Macalltjm, A. B. 



1912. On the determination of ammonia in urine. In Jour. Biol. Chem., 



v. 11, no. 5, p. 523-525, June. See p. 523. 

 Haselhoff, E. 



1913. Landwirtschaftlichen Versuchs. vols. 79 and 80, p. 399. 



1913. Uber die Einwirkung von Borverbindungen auf dais Pflanzenwachs- 



tum. In Landw. Vers-Stat, Bd. 79 u. SO, p. 399-^29, pi. 4-7, 

 1913. 

 Herms, W. B. 



1910. How to control the common house fly. Cal. State Board of Healtb 



Bui., May 5, no. 2, p. 269-277. 

 Howard, L. O. 



1911. The House Fly — Disease Carrier. New York, Frederick A. Stokes 



Co., 312 p., illus. See p. 196 and 197. 

 Hutchison, R. H. 



1914. The migratory habit of house-fly larva? as indicating a favorable 



remedial measure, An account of progress. U. S. Dept. Agr., Bui. 



14. 11 p. Feb. 28. 

 Russell, E. J., and Buddin, Walter. 



1913. The action of antiseptics in increasing the growth of crops in soil. 



In Jour. Soc. Chem. Ind., v. 32, No. 24, p. 1136-1142, Dec. 31. 

 Smith, R. I. 



1912. Tbe house fly (Musca domestica). No. Car. Agr. Expt. Sta., Col. 



Agr. & Mech. Arts, Ann. Rpt. 34, p. 62-69, figs. 13-14. See p. 64. 



SORENSEN, S. P. L. 



1907. Enzymstudien. In Biochem. Ztschr. Bd. 7, Hft. 1/2, p. 45-101, Dec. 6. 

 Van Slyke, D. D. 



1911. A method for quantitative determination of aliphatic amino groups, 

 Applications to the study of proteolysis and proteolytic products. 

 In Jour. Biol. Chem., v. 9, No. 3/4, p. 185-207, May. 

 Wiley, Harvey W., editor. 



1908. Official and provisional methods of analysis, Association of Official 



Agricultural Cbemists. U. S. Dept. Agr., Bur. Chem., BuJ. 107 

 rev. 272 p. 



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