. Nature study and life. Nature study. Fig. 25 a. Half-Grown Larva of Anopheles In feeding position, just beneath surface film. (Enlarged. After Howard). " The latest an- nounced results of the most advanced investigators seem to show that mosquitoes form the principal if not the sole means of transmission of malaria, and workers in all parts of the world, including many parts of the United States, are investigat- ing the subject, more especially in relation to local ; Circular No. 40, Second Series, United States Department of Agriculture, Division of Ento- mology, entitl
. Nature study and life. Nature study. Fig. 25 a. Half-Grown Larva of Anopheles In feeding position, just beneath surface film. (Enlarged. After Howard). " The latest an- nounced results of the most advanced investigators seem to show that mosquitoes form the principal if not the sole means of transmission of malaria, and workers in all parts of the world, including many parts of the United States, are investigat- ing the subject, more especially in relation to local ; Circular No. 40, Second Series, United States Department of Agriculture, Division of Ento- mology, entitled " How to distin- guish the Different Mosquitoes of North ; [It is now held that yellow fever is also trans- mitted by mosquitoes.] The children will see that they are doing something worth while and of present interest. It now becomes necessary to distinguish among the different species of mosquitoes the ones that carry malaria. These have all been found to belong to the genus Anopheles. The Fig. 25 b. Half-Grown Larva of In breathing position. (Enlarged. After Howard). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hodge, Clifton Fremont, 1859-. Boston and London, Ginn & Co.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectnatures, bookyear1902