HEALTH OF RURAL SCHOOL CHILDREN 153 



TABLE VI 



Showing percentage of absences due to all causes as recorded 

 in the ordinary register, during two successive years, 1909 with- 

 out protection and 1910 under malaria-control conditions. 



1 The prevalence of malaria during these months is always greatest, and 

 furthermore the spring statistics would be faulty for comparison, inasmuch 

 as the crusade did not begin until March 1, 1910, as already explained. 



