Results 221 



sickness formerly made their day's work uncertain. 



n 



3% 



?% 



MALARIA CHART 



FOR1911, 1912 AND 1913 



Showing the number of malaria cases each 

 monlh amon6 employees, expressed as a per- 

 centage offhe ^nfire working force. 

 /! 



5/ 



Mi 



tAA e oj-l^ onlh, 



\. 



i\ 



/W- 



y%/>»5t// 



^mitMnn fh!v %Ies "li' ^l^ 



)1. 



/9"- 



Ay's'*0f3% 





;^? 



0% 



« jfi ^ 6. ■§ 5 5 ^ .y 5 « i" 





The item of high labor cost, because of malaria, 

 has been a controlling factor in preventing progress 

 in the South. 



