Bacteriology of the Household. 735 



FOR CLUB STUDY 

 The following questions may be used in the development of the sub- 

 ject of Household Bacteriology in the Farmers' Wives' Clubs: — 



1. What are favorable conditions for the growth of dust plants? 



2. Where are bacteria most numerous and what is their chief work in 

 the world? 



3. In what ways are bacteria helpful to man and in what way do they 

 injure him or his possessions? 



4. Why should food eaten raw or with skins be thoroughly cleaned? 



5. What sanitary end is attained by cooking food? 



6. Why are oranges and bananas safer fruits than grapes or peaches 

 bought from a street vender? 



7. How can scalding apple or other sauce prevent its spoiling, and why 

 scald it more than once? 



8. What common diseases in man are attributed to molds? 



9. Wliat is mildew and under what conditions in the house would it be 

 likely to appear? 



10. From the health standpoint, what clothes are most likely to need 

 boiling ? 



11. Why should milk receptacles be thoroughly scalded or sunned? 



12. How do bacteria reproduce themselves and what food do they 

 prefer? 



13. What is the typical mode of reproduction in yeast? In mold? 



14. What is the chief work of the yeast plant? 



REFERENCES FOR FURTHER READING 



Bacteria in Milk and its Products....! 



The Story of Germ Life f H. W. Conn. 



Bacteria, Yeasts and Molds in the Home J 



The Story of the Bacteria Prudden. 



Dust and its Dangers Prudden. 



Household Bacteriology Elliott, American School of 



Home Economics, Chicago. 



Our Secret Friends and Foes Percy Frankland. 



Clean Milk S. D. Belcher. 



GOVERNMENT BULLETINS 

 Free, of the Department of Agriculture, Washington, D. C. 



