Panama and the canal in picture and prose .. . RESULTS OF THE WAR ON MOSQUITOES 263. THE LITTLE PANGO BOATS COME TO MEET YOU cans and most of theothers are screened. (3) Catching and kilHngmosquitoes within thedwellings. This is doneby negro mosquitocatchers, and is ofgreat value in prevent-ing malaria where otherprophylactic measurescannot be inaugurated. (4) Destroying thebreeding places ofanophelincB by filling,draining, and trainingthe banks of streams. (5)Destroying the anoph-elincB in the larval andpupal stages by oilingthe water in which theyare found, or applyinga special larva poison
Panama and the canal in picture and prose .. . RESULTS OF THE WAR ON MOSQUITOES 263. THE LITTLE PANGO BOATS COME TO MEET YOU cans and most of theothers are screened. (3) Catching and kilHngmosquitoes within thedwellings. This is doneby negro mosquitocatchers, and is ofgreat value in prevent-ing malaria where otherprophylactic measurescannot be inaugurated. (4) Destroying thebreeding places ofanophelincB by filling,draining, and trainingthe banks of streams. (5)Destroying the anoph-elincB in the larval andpupal stages by oilingthe water in which theyare found, or applyinga special larva poison tothis water. (6) Clear-ing the rank vegetationin the immediate vicinity of dwellings and settle-ments, so as to destroy the shelter for such mosqui-toes as may find their way to the vicinity of thehouses; to hasten evaporation and the drying ofsmall water collections and marshy places; to exposeto view small breeding places and to remove thetemptation to throw water containers into thevegetation. These measures, conscientiously and painstak-ingly carried out, resulted in reducin
Size: 2144px × 1165px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorabbotwil, bookcentury1900, bookdecade1910, bookyear1913
