[Pui. Journ. Sct., X, B, No. 3. 
AGDALENA, LAGUNA PROVINCE,PI. 
FROM A MALARIAL SURVEY MADE IN LATE 
OCTOBER AND EARLY NOVEMBER, 1914 
—e ee 
he sumbsls represent Cases of malaria in children 
I5 years o age or less found in the houses 
Subtertian @ 
Tertian A 
Quartan wt 
Negative ° 
Child not examined B) 
Ditches containin te 
clear flowing water = 
100 50 100 
ee ae 
METERS 
oe 
ee 
\ 

bi 
) 
¥ 
aI 

