Index 



333 



Screening vestibules, 201 



water-barrels, 279, 293 



windows, 200 



Seasonal changes, effect on 

 mosquito production, 44 

 68, 72, 81, 112, 126 

 Seepage, location of, 126 



notes on, 65 



outcrop, Ancon, 19 



Havana, corrected 



by gravel and cin- 

 ders, 8 



outcrops between lines 



of tile, 135 

 covered by vegeta- 

 tion, 196 



": on hill side, 37 



permanent and in- 

 termittent, 131 



on stream banks, 36 



in unusually rainy 



years, 127 



planes, 116 



sharp changes of grade, 66 



Sewerage, catch basins in, 157 



, installation in Panama, 



288 

 Slapper, for mosquito catching, 



212 

 Species, change of. Anopheles, 



determmation of, 45 



Spiders, 186 



Spraying, methods of, 166 

 Spra3r-nozzle, 167 ' 

 Staining of Anopheles, no 

 Station, experimental, for ma- 

 laria transmission data, 25 

 Stations, meteorological, 31 

 Stream-beds, erosion of, 35 

 Streams, branch, 36 

 and drains, blocking of, 



39 



"drips on, 155 



on hillside, carriers of 



larvse, 35 

 on hillsides, changes of 



source, 62 



as oil carriers, 155, 161 



pot-holes in, 36, 61 



Streams, regrading of, 130 

 as sources of mosqui- ; 



toes, 35, 60 



training of, 7, 63, 141 



Subsurface drainage, (see j 



Drainage) 

 Sulphur, fumigant, 253, 254 

 Supplies, importance of rapid 



delivery, 21, 272, 273, 246 



system of preparation, 



245, 246 



torehouse for, 245 



Surveys, preliminary, 16, 22, 



25, 126 

 Susceptibility to bites, 85, 91, 



93 

 System of checking inspections, 



239 



Tadpoles, 185 



Temperature of water, effect 



of, 65, 66, 72 

 Tent hospitals, 204 

 Tents, screening of, 203 

 Tides, low lands near coasts 



affected by, 25, 75 

 Tides in Rio Grande valley,75 

 Tile drainage (see Drainage) 

 Tile drains, inspection of, 135 

 Tobacco, fumigant, 253, 254 

 Topography, changes in, 6, 



38, 14s 

 Topography, cause of difficulty 



in mowing, 197 

 Trask, H. R., cart for oiling, 



168 

 Treaty, United States and 



Republic of Panama, sanita- 

 tion clause, 272 

 Trees, in flooded areas, 63, 72, 



75.193 ... 



Truck gardens, irngation of. 



United States Public Health 

 Service reports, 24 



Vegetation breaks oil film, 190 

 burning of, 118, 197 



