432 



SANITATION 



not to waste food that it eats suspected food "to save it." This is the 

 worst kind of "saving, "for the food usuallymakes some one of the family 

 ill, and causes a waste a hundred times as great as any possible saving. 



Fig. 304. 

 Exposed food, which is not protected from flies and street filth, is covered with germs. 



Milk is especially liable to infection. Ever so many 

 epidemics of children's diseases, such as scarlet fever and 



