CONTENTS 



A Review of the Scientific Work of Harry Luman Russell 

 Together with a List of his Books and Scientific Pa- 

 pers. 



E. G. Hastings, M.S. '99 9 



The Development of City Milk Supply Problems. 



H. A. Harding, B.S. '96, M.S. '98 29 



The Resistance of Mold Spores to the Action of Sunlight. 



John Weinzirl, B.S. '96, M.S. '99, Ph.D. '06 . . 55 

 The Influence of the Plane of Nutrition upon the Per- 

 centage of Fat in Milk and the Properties of the Fat. 



C. H. Eckles, Graduate Student '96- '97 ... 60 

 Characteristics and Distribution of the Colon-Aerogenes 



Group. 



L. A. Eager s, Graduate Student, '97- '98 ... 76 

 The Identity of American and French Sporotrichosis. 



D. J. Davis, B.S. '98 104 



The Significance of Yeasts and Oidia in Pasteurized But- 

 ter. 



F. W. Bouska and /. C. Brown, Graduate Students, 

 '01-'02 131 



The Action of Certain Bacteria on the Nitrogenous Mate- 

 rial of Sewage. 



E. G. Birge, B.S. '03 . 139 



The Detection of Pasteurized Milk. 



W. D. Frost, Ph.D. '03 151 



The Investigation of Drinking Water Supplies. 



H. A. Whittaker, Ph.G. '03, B.A. '06 .... 164 

 The Milk Supply of Chicago. 



A. L. Amott, B.S. A. '08 170 



The Bacteriology of Ice Cream. 



B. W. Hammer, B.S. A. '08 . 182 



