330 



Index 



Jungle, cleared from abandoned 



French camps, 22 

 unexplored, 22, 125 



Kendall, on fumigation, 254 

 Key wails (.see Ditches) 

 Knab, P., determination of 

 species of Isthmian mosqui- 

 toes, 45 



Labor, class allowed Sanitary 



Dept., in Panama, 298, 299 



high cost of, prevents 



progress in the South, 



221 



intelligent, at Havana, 6 



non-immune, infection of, 



39 



shortage of, m malanal 



districts, 219 



transportation of, in 



ambulances, 246 

 transportation of in cov- 

 ered wagons, 5 



ultimate cost of infection 



of, 42 

 Laborers, barracks, 213 

 Larvacide as a detective, 79 



Panama, advantages of, 



172, 176 



cost of, 174, 177 



— formula for, 174 



process of manufac- 

 ture, 175 

 toxicity of, 152, 176, 



requirements for, 173 



Larvacides, comparative values 



of, 151 

 Larvae (see Aedes calopus and 



Anopheles) 

 Lazear, Dr., yellow fever 



experiments, 231 

 Legislation, Panama, 243 

 Le Prince, J. A., discovery of 



mosquito flight, 103 



report to International 



Congress of Hygiene, 

 1912,95 



Light, effect on mosquitoes, 



94. 97. 253 

 Light and dark, effect on 



mosquitoes, 186 

 Lizards, 186 

 Low, Dr. G. C, observations at 



Ostia, 198 



Machetes, use of, 195 



Malaria developed by excava- 

 tion and settling of fills, 39 



control, effect of topo- 

 graphy and dimate on 

 cost of, 165 



control, avoidable costs, 



cost of preventive mea- 

 sures in the Canal Zone, 

 220 



effect on labor cost, 219, 



221 



infection, effect of screen- 

 ing on, 206 



infection of United States 



agricultural population, 

 219,221 



mortality statistics in 



Havana, 13, 14 



mortality statistics, city 



of Panama, 23, 24 



in native population, 



Panama before 1904, 

 16, 18 



at old Ancon Hospital, 20 



parasite, 47 



pernicious, 8 



prevents development of 



the tropics, 42, 220 



prevention, need for sani- 

 tary regulations for, dur- 

 ing engineering work, 

 38, 70, 116 



rate in the tropics, 219 



transmission of, 51 



United States Public 



Health Service reports, 



24 

 Materials for a plan of cam- 

 paign, 320 

 Materials, storehouse for, 245 



