CONTENTS 



Introduction . . . • • • • ■ ! 



Awakening of public to necessity and possibility of malaria con- 

 trol ; back to the farm movement calls for an effort to make life 

 on the farm worth living. 



Economic Considerations ....••• 4 



Malaria, while not highly fatal, is one of the most expensive 

 diseases extant ; loss to state ; expensive to community. 



Malaria and its Transmission ...-•• 9 



Historical; circumstantial evidence; experimental evidence; 

 the disease, the parasite ; life history of the parasite ; time factor ; 

 is malaria inherited by mosquitoes? Anopheline mosquitoes con- 

 cerned ; key to Anopheline species. 



Mosquitoes in General ....••• 3° 



Mosquitoes and their allies ; structural characteristics of sys- 

 tematic value ; sexual differences ; internal anatomy ; life history 

 of mosquitoes. 



Anopheline or Malaria Mosquitoes . . . • 4 1 



Anopheline characteristics ; the eggs ; the larvae ; the pupa? ; 

 life history ; duration of adult life ; flight ; hibernation ; breeding 

 places for Anopheles. 



Essentials of Control . . . . • • • -53 



Oiling Methods .....•••• 54 



Kinds of oil ; how applied ; when applied, and how often. 



Tobacco Decoctions . ... 58 



Other Larvicides ..... ... 5° 



