. Review of reviews and world's work. From stereograph, copyright 1904, by Underwood & Underwood, New York. SOME NATIVE DWELLING-HOUSES ALONG THE ROUTE OF THE PANAMA CANAL. ing previously infected with malaria, will beharmless. This is not an entirely theoreticalscheme. In Havana, yellow fever was cared forin just the way that we propose for malaria. Theinfected human being was taken and placed un-der screening, and treated until he was freefrom infection, and thus no yellow-fever mos-quito was allowed to bite him during the in-fected period and become herself infected. Atthe same time, wholes
. Review of reviews and world's work. From stereograph, copyright 1904, by Underwood & Underwood, New York. SOME NATIVE DWELLING-HOUSES ALONG THE ROUTE OF THE PANAMA CANAL. ing previously infected with malaria, will beharmless. This is not an entirely theoreticalscheme. In Havana, yellow fever was cared forin just the way that we propose for malaria. Theinfected human being was taken and placed un-der screening, and treated until he was freefrom infection, and thus no yellow-fever mos-quito was allowed to bite him during the in-fected period and become herself infected. Atthe same time, wholesale mosquito destructionwas carried on. At the end of about eight months of thiswork, it was found that the number of yellow-fever mosquitoes had been greatly decreased,and those that were left could find no humanbeing infected with yellow fever, whereby they,the yellow-fever mosquitoes, might become infected, and thus convey it to other human te r>r» THE AMERICAN MONTHLY REVIEW OF Prom stereograph, copyright 1904, by Underwood & Underwood, New York. -NATIVE WASHERWOMEN OF PANAMA. ings. Fur the past three years, Havana hasbeen free from yellow fever. An unacclimatedman can go to Havana now, and though he mayprobably be bitten a good many times by yellowfever mosquitoes, these mosquitoes have had noopportunity, in the past three years, of biting ahuman being infected with yellow lever, and,therefore, are themselves entirely harmless. Thiscondition we hope to bring about in the villagesalong the canal route by means similar to thoseadopted in Havana. Ln the last fifteen years there have beenagoodmany instances of malaria being controlled, ona small scale, both from the side of destroyingthe breeding-places of the malarial mosquito andfrom that of treat ing t he infected human being sothat he could not poison the mosquito. Recent-ly, under the advice of Dr. Ronald boss, of theLiverpool School of Tropical Medicine, the Sue/.(anal authoril tes have done some exte
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