Report of first expedition to South America, 1913 . s the eggs of Stegomyia were en-countered. Many of the dwellings were visited in which sickindividuals were found, and we secured a large number of bloodspecimens. A large number of the people had enlargedspleens; and we also observed many cases of advancedanaemia in addition to the cases of malaria and yellow fever. Entomological Investigations On account of its location in a region of great rainfall andhigh humidity, nearly at sea level and almost on the equator,Guayaquil and its environs support a very extensive andvaried insect fauna and
Report of first expedition to South America, 1913 . s the eggs of Stegomyia were en-countered. Many of the dwellings were visited in which sickindividuals were found, and we secured a large number of bloodspecimens. A large number of the people had enlargedspleens; and we also observed many cases of advancedanaemia in addition to the cases of malaria and yellow fever. Entomological Investigations On account of its location in a region of great rainfall andhigh humidity, nearly at sea level and almost on the equator,Guayaquil and its environs support a very extensive andvaried insect fauna and in relation to insect-borne diseasesthere are certain salient features which attract the attentionof the entomologist. As has been pointed out, the city frontsalong the bank of the Guayas river and extends as a quitethickly settled area for a short distance inland. Beyond, theoutlying country spreads out as a large savanna broken hereand there by small hills, and by depressions, many of whichcontain water. Most of this water extends as narrow arms. Fig. 1. — Open Drain behind the Yellow Fever Hospital.
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Keywords: ., bookcentury1900, booksubjectgeograp, booksubjectmedicalgeography
