298 Trans. Acad. Sci. of St. Louis. 
Sedgwick, W. T., and Prescott, S. C. On the Influence of Slight Variations 
in the Composition of Nutrient Gelatin upon the Development of 
Water Bacteria. Trans. Am. Pub. Health. Assn. 203450. 1899. 
Special Commissioner. The Typhoid Epidemic at Butler, Pennsylvania. 
Jl. Am. Med Assn. 4] 31476. 1903. 
—— The Typhoid Epidemic at Ithica,N. Y. Jl. Am. Med. Assn. 40:715. 
19038. 
Sternberg, G. M. A text-book of Bacteriology. New York. 1901. 
Trustees of the Sanitary District of Chicago. Memorial Presented to the 
Congress of the United States. Deep Waterway from Lake Michigan 
to the Mississippi River at St. Louis 
Vaughan, V. C. Some Toxicogenic Germs found in Drinking Water. 
Trans. Am. Med. Assn. 423935. 1904. 
Whipple, G. C. On the Necessity of Cultivating Water Bacteria in an 
Atmosphere Saturated with Moisture. Technology Quarterly, 123 
276. 1899. ' 
—— On the Physical Properties of Gelatin with Reference to its Use in 
Culture Media. Ibid. 15:127. 1902. 
—— On the Practical Value of Presumptive Tests for Bacillus coli in Water. 
Ibid. 16318. 1903. 
Winslow, C. EH. A. See Prescott, 8. C. 
Issued August 5,1905. 
