12 SEVENTEENTH REPORT. 



SECTION OF GEOLOGY AND GEOGRAPHY 



Walter F. Hunt, Chairman 



Russell Seminary Room, Museum Building 



Thursday, April 1, 9 A. M. and 1:30 p. m. 



Origin of Continental Forms, V. Howard B. Baker. 



Iceberg Lake. O. W. Freeman. 



Limestone Resources of the Northern part of the Southern Peninsula. R. A. 



Smith. 

 The Old Shore Lines of Mackinac Island and their Significance in the Lake 



History. Frank B. Taylor. 

 New Evidence for the Glacial Anticyclones of High Latitudes. Dr. William 



H. Hobbs. 

 The Geology of the Eastern Gogebic Iron Range. L. P. Barrett. 

 Correlations of the pre-Keweenawan Formations of Michigan. R. C. Allen. 

 Stratigraphy of the Niagara Formation in the Northern Peninsula of Michi- 

 gan. R. A. Smith. 

 A Manganiferous Albite. Dr. E. H. Kraus and Dr. W. F. Hunt. 

 Ice Action in the Michigan Lakes. Dr. I. D. Scott. 

 The Effect of Ice Attraction on Beaches of Lake Maumee and Lake Agassiz. 



Frank Leverett. 

 Deflation and Deposition in the Libyan Desert and the Soudan. Dr. William 



H. Hobbs. 

 The Composition of Mar-Villa Marble. R. W. Clark and Dr. W. F. Hunt. 

 Drainage Conditions in the North Eastern United States at the Beginning 



of the Glacial Epoch. Frank Leverett. 



SECTION OF SANITARY AND MEDICAL SCIENCE 



Paul H. de Kruif, Chairman 

 West Lecture Room, Medical Building 



Thursday, April 1, 1:30 p. m. 



The Result of Quantitative Albumin Determinations from 3000 Cases of Sus- 

 pected Tuberculosis. Dr. M. L. Holm and E. R. Chambers. 



Staining of Soil Protozoa. J. Frank Morgan. 



Effect of Concentration of Gelatin on Microorganisms. Miss Zae Northrup. 



Purification of Water by Ozone. R. W. Pryer. 



Bacterium Abortus and Its Agglutinins in Milk. L. H. Cooledge. 



Trypanosomes and Anaphylatoxin. P. H. de Kruif. 



The Mechanism of Agar Anaphylatoxin Formation. Dr. F. G. Novy. 



Hog Cholera Eradication in Branch County. H. M. Newton. 



Dr. V. C. Vaughan. 



Complement Fixation and Agglutination in Contagious Abortion. E. T. 

 Hallman. 



