220 



ELEMENTAEY AGRICULTURE 



piles and filth where flies breed and to sprinkle 

 diluted carbolic acid about such places frequently. 

 Carbolic acid drives away the flies and kills many 

 typhoid and other disease gejms. The other remedy 

 is to screen the house thoroughly, especially the 



Fig. 107. A sanitary dairy ham. 



kitchen and living rooms. No house is complete 

 until it is fitted with screens. 



Milk a Germ Carrier. It is known that milk 

 spreads diphtheria and tuberculosis as well as 

 typhoid fever. The typhoid germs are in the water 

 in which the ,cans are washed. The ceiling of the 

 cow stable should be dust-proof and the floor ce- 

 ment, so it may be washed often. Some apparently 



