280 



ILLINOIS STATE ACADEMY OF SCIENCE 



STATE OF ILLINOIS 



0EP4BTMENTOF PUBLIC HEALTH 



DIVISION OF ENSJI'EEBINa AND SANITATION 



DIVISION OF VITAL STATISTICS 



MALARIA m ILLINOiS 



DEATH BATES BASED UPON RECOBOS 

 OF THE OIVISION OF VITAL STATISTICS AND 

 THE AVERAGE OF FEDERAL CENSUS ?0PULA 

 TIONS FOR 1920 ANO ESTIMATEO POPULA- 

 TIONS FOB JAN. I, 1322 



in counties in Illi 



