Show PEST SP BY MOSQUITO scientists H hava av a traced cause of die dl ease cao that chalong Ha Long ben been brov alent in the tropics 1 ii one of the most pecullar peculiar of all diseases la commonas com common in the tv trop op lea ice in the blood of persons suffer suder tag ing from it there are anre found innumerable little borins worms that tedi can be seen only by the did of n R microscope thesa are present only at in tile blood that Is ili circulating at about five alvo in the lie afternoon they begin to appear in the blood having been hidden bidden away in the body until this time and then hen they remain in n the ciraula clr cir cula tion until about midnight when they begin to diminish by eight or nine j in the morning they have all disappeared anda and a search geach of the blood under the microscope after this falls falla to reveal any they are now callec collected ted in certain large blood vessels deep in the body especially in we the lungs where they remain hidden until they go co out on their next nocturnal excursion the parasite la Is conveyed to bur human n an beings by the bite of certain kindi kind mosquitoes the mosquito bites and takes from froin a nian man or from some animal as the case may be blood vail which i ch contains these small worms in the stomach olt the mosquito tile intermediate host the parasite goes h I 1 certain changes or metamorphoses l which are jus justas fas necessary nee necessary essary to its ita complete compete life as are tile the different phases in the lives of bu butterflies ete ralles moths and a great ninny many insects first it escapes from a skin or shell la in which it has existed then it bores borea its ita way through the wall of the mosquitos stomach and travels forward through the body until it arrives at the base of tile the bill or proboscis |