FIFTEENTH REPORT. 
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SECTION OF SANITARY AND MEDICAL SCIENCE. 
WEST LECTURE ROOM, MEDICAL BUILDING. 
April 3rd, 1913 — 1:30 p. m. 
Ferments. Dr. .J. G. Gumming. 
A Bacterial Disease of the Larva of the June Bug (Laclmosterna. sp.) 
Miss Zae Northrup. 
Duration of Tr. Gambiense Infection in Bats and Guinea-pigs 
J. F. Morgan. 
The Environment of Soil Bacteria.. . .Dr. F. H. Hesselink van Suchtelen. 
The Influence of Bacterium Lactis Acidi on the Changes Caused in 
Milk by Some of the Common Milk Microorganisms. . .C. W. Brown. 
The Use of Chlorinated Lime for the Disinfection of Drinking Water. . . 
Dr. M. L. Holm and E. B. Chambers. 
Ozone as a Means of Water Purification B. W. Fryer. 
Toxic Bases in the Urine of Para thvroideetomized Dogs.. . W. F. Koch. 
Serum Tests in the Diagnosis of Infectious Abortion of Cattle 
Dr. E. T. Hallman. 
The Increase of Hog Cholera Virus by Intraperitoneal Injections of 
Salt Solution W. S. Bobbins. 
Studies in Avian Tuberculosis L. B. Himmelberger. 
The Sensitizing Group in the Protein Molecule Dr. V. C. Vaughan. 
Immunization Against Tr. Brucei with Cultures Dr. F. G. Xovy. 
Determination of Minimum Lethal Dose of Tr. Brucei. . . .C. A. Behrens. 
Cultivation of Spirilla P. IT. de Kruif. 
Secret Bemedies, Nostrums and Fakes Dr. W. S. Hubbard. 
SECTION OF ECONOMICS. 
Thursday, 10:00 a. m. and 2:30 p. m. Friday, 9:00 a. rn . 
SECOND FLOOR. ECONOMICS BUILDING. 
1 . 
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o. 
4 . 
The London Dock Strike of F)12. Carl E. Parry, of the University 
of Michigan. 
Discussion opened by W. H. Hamilton, of the University of Michi- 
gan. 
Farm Organization as a Factor in Bural Economics. Wilbur O. 
Hedrick, of Michigan Agricultural College. 
Discussion opened by Edward D. Jones, of the University of Michi- 
gan. 
The Sphere of Pecuniary Valuation. C. H. Cooley, of the University 
of Michigan. 
Discussion opened by Frank T. Carlton, of Albion College. 
Psychological Antithesis of Socialism. H. A. Miller, of Olivet 
College. 
1 tiscussion. 
The Teaching of Economics in the High School. 
Discussion opened by J. E. Mitchell, of Alma College, and F. M. 
Taylor, of the University of Michigan. 
