5 
CONTENTS 
, I’AGE 
Manaos 
Situation . ' 
Population . " 
Rainfall . ^ 
. 9 
Humidity . 
Velocity of wind . ^ 
9 
Temperature . 
Topography . IO » 54 
Rio Negro, rise and fall . IO 
Disposal of refuse . 11 
Drainage . 11 
Water supply . 11 
,, analysis of . 11 
Food supply . 12 
Slaughter houses . *3 
Central markets . *3 
Hospitals . *3 
Streets and houses . ’5 
Breeding places of mosquitos. 1 ' 
Swamps and Igarapes . *9 
Recommendations . 22 
Malaria. 2 4 
Spleen rate and blood index, healthy children in suburbs... 26 
„ „ ,, „ ailing „ . „ 2b 
„ „ children in city . 27 
Average percentage, children infected . 27 
Season of, . 2 9 
Parasites, . 2 9 
Types of fever . 29 
Blackwater fever . 3 ° 
Yellow Fever 
Prevalence of Stegomyia calofus . 3 ! 
Season of . 3 2 
Recommendations . 34 
