22 BULLETIN 245, U. S. DEPARTMENT OF AGRICULTURE. 
LITERATURE CITED. 
AMERICAN PuBLIC HEALTH ASSOCIATION, LABORATORY SECTION. 
1912. Standard Methods for the Examination of Water and Sewage. 2ded. New 
York, Amer. Pub. Health Assoc., 144 p. (Cover title: Standard Methods 
of Water Analysis. A. P. H. A. 1912.) 
Buppin, WALTER. 
1914. Partial sterilization of soil by eel and nonvolatile antiseptics. Jn Jour. 
Agr. Sci., v. 6, pt. 4, p. 417-451, Dec. 
CHaAPin, R. M. 
1914. Arsenical cattle dips. Methods of preparation and directions for use. U.S. 
Dept. Agr., Farmers’ Bul. 603, 16 p., 1 fig., Aug. 14. (Contribution from 
the Bureau of Animal Industry.) 
Cook, F. C., Hutcuison, R. H., and Scauszs, F. M. 
1914. Experiments on the destruction of fly larvee in horse manure. U.S. Dept. 
Agr., Bul. 118, 26 p., 4 pl., July 14. (Contribution from the Bureau of 
Entomology.) te 
Duckett, A. B. 
1915. Pee dichlorobenzene as an insect poean U: 8. Dept. Agr., Bul. 167, 
7 p., 2pl., Feb. 10. 
Four, Otto, and Macatium, A. B. 
1912. On the determination of ammonia in urine. Jn Jour. Biol. Chem., v. 11, 
no. 5, p. 523-525, June. Seep. 523. 
Howaprp, L. O. 
1911. The House Fly—Disease Carrier. New York, Frederick A. Stokes Co., 
312 p., illus. See p. 196 and 197. 
Russet, E. J., and Bupprn, WALTER. 
1913. The action of antiseptics in increasing the growth of cropsin soil. Jn Jour. 
Soc. Chem. Indus., v. 32, no. 24, p. 1136-1142, Dec. 31. 
Witey, Harvey W., Editor. 
1908. Official and provisional methods of analysis, Association of Official Agri- 
cultural Chemists. U.S. Dept. Agr., Bur. Chem., Bul. 107 rev., 272 p. 
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