PK01iLi:M 212 



2<;9 



farm compare with those in a city? How <aii tlic unsanitary 

 environment of the farm be made sanitary? 



Conclusion. — 1. What steps should a lar^e city take to obtain 

 and protect its water supply? 



2. What should be done with the sewage in the city in which 

 you live? Why? 



3. What other hygienic steps should a city take to protect its 

 citizens ? 



Problem 241 : Is typhoid a city or a country diseasr ? 



Observation. — Make a graph from the following table ' to show 

 the relative death rate from typhoid in states ha\ing a large 

 urban population, and in states having a large rural population. 



Five states in which the city population 



was more than 60 % of the total . . 

 Six states in which the city population 



was between 40 % and 60 % . . . . 

 Seven states in which the city population 



was between 30 % and 40 % . 

 Eight states in which the city population 



was between 20 % and 30 % . . . . 

 Twelve states in which the city population 



was between 10 % and 20 % . . . . 

 Twelve states or territories in which the 



city population was less than 10 ' j • 



AvKRAGK Pkr I AvERAur Ttphoid 

 Cknt ok Rukal ' f^»-^»" f^»-^T" 



Conclusion. — Is typhoid a city or a country diseiu^e? Why 

 is it so? Look up diagram in your textl)ook. 



Problem 242 : What is the (Uinuai cost to .Xew Ym k city af 

 some ])r event cible diseases ? 



Materials. — Report of board of health. 



Method. — Using the board of healtli tal)les for the year 1910, 

 find the number of persons who die from each of the given prevent- 

 able diseases. Which are particularlx children's diseases? Fol- 

 lowing these directions, compute the annual cost in lives. 



' Modified from Ailen'a Cincs and Htalth. 



