STUDY PROGRAM 161 



Bacteria, Yeasts, and Molds, by H. W. Conn. 



Chapters XIV, XV. ($1.00, postage roc.) 

 Our Secret Friends and Foes, by Percy F. 



Frankland, Chapter VI. ($i. 25, postage i2C.) 

 The Story of the Bacteria, by T. M. Prudden. 



Chapters V-XIII. (750., postage 6c.) 



MEETING VI 

 (Study pages 96-1 16) 

 Household Applications 



(a) Make out a list on paper of the most common and most 



harmful dust gardens occurring in the household 

 the dishcloth, refrigerator, waste-pipe, damp floor- 

 mop, or any cloths put away in dark closets, uncleaned 

 bread boxes, etc. 



(b) Expose small portions of bread, cheese, sauces, meat, 



milk to dusty air. Keep in warm, dark places and 

 note time, character, appearance of changes. 



(c) Consider the care of hands, teeth, all parts of the body; 



house, sidewalks, backyard, garbage barrels, etc., from 

 bacteriological standpoint. 



References: Dust and Its Dangers, by T. M. Prudden. 



Chapters V, IX, XI, XII. ( 75 c., postage 6c.) 



Bacteria, Yeasts, and Molds, by H. W. Conn. 



Chapter II, pages 24-31; Chapters VII, XIV. 



($1.00, postage ice.) 



Water and Ice, by T. M. Prudden. (750., 



postage 6c.) 



(Select answers to Test Questions on Part II. Report on 

 supplemental work and experiments.) 





