Cornell Study Clubs ii 77 



Bacteriology 



His'tory 



What the study of bacteriology has done for science, agriculture, com- 

 merce, the household 



Bacteria as friends and as foes 



Bread-making an agricultural process in miniattue: crop bacteria and 

 weed bacteria 



The making of butter, cheese, and vinegar 



Bacteria as scavengers; septic tanks; filtration beds 



The fight against harmful bacteria 



1 Times and methods of cleaning 



2 Consideration of the dust problem in house planning 



3 Safeguarding food against bacteria: by drying, by cold storage, 



by preserv^atives, harmful and harmless, by canning, by packing 



4 Methods of destroying bacteria: disinfectants, germicides, fumi- 



gation, sterilization 



5 How should the house be cleaned? 



Rejercices: 



Conn, H. W. Bacteria, yeasts, and molds in the home. D. Appleton 

 & Co., New York. $1.00 

 Courses in bacteriology for home economics. Journal of 



Home Economics, December, 19 10 

 Practical dairy bacteriology. Orange Judd Company, 



New York. $1.25 

 The story of germ life. D. Appleton & Co., New York. 



S-35 

 Elliott, S. ]\Iaria. Household bacteriology'. American School of Home 



Economics, Chicago. $1.25 

 Lipman, Jacob G. Bacteria in relation to country life. The i\Iac- 



millan Company, New York. $1.50 

 Wagner, E. Recipes for the preserving of fruit, vegetables, and meat 

 The leavening agent in salt-rising bread. Journal of 



Home Economics, February, 191 1 

 Mildew, mould, and fungous growi:h National Laundry 

 Joiunal, November 15, 1909 



Household Decoration 

 The principles of home decoration 



1 Unity of effect 



2 Atmosphere 



3 Harmony 



4 Simplicity 



