viii Contents 



CHAPTER PAGE 



VIII. — ^Attack on Propagation Areas by 



Filling 115 



IX. — Attack on Propagation Areas by 



Drainage 122 



X. — Attack on Propagation Areas by 



Oiling 151 



XI. — ^Attack on Propagation Areas by 



Larvacides . . . .173 



XII. — Attack on Propagation Areas and 

 Adult Mosquitoes by Natural 

 Enemies . . . . .180 



XIII. — Attack on Propagation Areas by 



Clearing Bodies of Water . 190 



XIV. — Attack on Propagation Areas by 



Removal of Jungle . . .195 



XV. — Screening and Practical Destruc- 

 tion OF Adult Anopheles in 

 Houses ..... 198 



XVI. — The Results Accomplished by the 



Anti-Malaria Campaign . .218 



PART II. THE YELLOW FEVER CAMPAIGN 



I. — The Campaign in Havana . . .231 



II. — The Situation on the Isthmus before 



Sanitary Work was Started . 261 



