. Elements of comparative zoology. Zoology. INSECTS. 269 skin of cattle; and the sheep-bot enters the cavities con- nected with the nose or even the horns, producing the disease known as 'staggers/ More familiar are the mosquitoes, which lay their eggs on stagnant water. The larvae hatch out and are known as 'wrigglers/ They pupate beneath the surface, and. FIG. 88.—Common house-fly (ATusca). finally the perfect insect emerges to make itself an unmit- igated nuisance about our persons. Bad as the mosquitoes were long thought to be, the recent discovery that they convey to man the diseases yell
. Elements of comparative zoology. Zoology. INSECTS. 269 skin of cattle; and the sheep-bot enters the cavities con- nected with the nose or even the horns, producing the disease known as 'staggers/ More familiar are the mosquitoes, which lay their eggs on stagnant water. The larvae hatch out and are known as 'wrigglers/ They pupate beneath the surface, and. FIG. 88.—Common house-fly (ATusca). finally the perfect insect emerges to make itself an unmit- igated nuisance about our persons. Bad as the mosquitoes were long thought to be, the recent discovery that they convey to man the diseases yellow fever and malaria (p. 151) places them in the category of dangerous insects and has led to active efforts towards their extermination. Many proposals have been made for reducing the number of. 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 Kingsley, J. S. (John Sterling), 1854-1929. New York, H. Holt and Company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1904
