| Show TO KILL mosquitoes the pestiferous little mosquito is abroad in the land and the human denizens of localities which it frequents will be tormented by it for some weeks to come unless they adopt measures looking to protection from its ravages A medical journal gives the following simple method for its extermination two and one half hours are required for a mosquito to develop from its first stage a speck resembling cholera bacteria to its active and venomous maturity the insect in all its phases may be instantly killed by contact with minute quantities of permanganate of potassium it is claimed that one part of this substance in fifteen hundred of solution distributed in mosquito marshes will render the development of larvae impossible that a handful of permanganate will oxidize a ten acre alamp sw IT p kill its embryo insects and keep it afree free from organic matter for thirty days at a cost coat of twenty five cents that with care a whole state may be kept free of insect pests peats at EL a small cost an efficacious method is to scatter a few crystals widely apart A single pinch of permanganate has killed all the germs in a thousand gallon tank |
