. Animals of land and sea. Zoology; Insects; Zoology. 124 ANIMALS OF LAND AND SEA a way that when the beetle is at rest they fit closely down over those of the posterior pair, which are folded up beneath them. In flight these anterior wings are held rigidly extended at various angles, the hinder wings doing all the work. It is possible, however, that in some cases the anterior wings may serve the pur- pose of a pair of planes, assisting in keeping the insect in the air, though many beetles fly just as well if they are removed, and in some excellent fliers, like the devil's coach horse, they ar
. Animals of land and sea. Zoology; Insects; Zoology. 124 ANIMALS OF LAND AND SEA a way that when the beetle is at rest they fit closely down over those of the posterior pair, which are folded up beneath them. In flight these anterior wings are held rigidly extended at various angles, the hinder wings doing all the work. It is possible, however, that in some cases the anterior wings may serve the pur- pose of a pair of planes, assisting in keeping the insect in the air, though many beetles fly just as well if they are removed, and in some excellent fliers, like the devil's coach horse, they are so small as to be quite functionless. As a rule the flight of beetles is slow and clumsy, especially of the larger kinds which fly only at night and rather high so as to avoid the shrubs and bushes. Some, like. Figs. 273-283. Various Flies. For explanations of the figures see pp. xLx, xx. the tiger beetles which in the spring we see running rapidly about on the bare ground in their hunt for smaller insects, are quite expert in turning and twisting in the air, while very many cannot fly at all. The grasshoppers, locusts, crickets and their allies have the fore wings stift" and tough, not used in flight,. 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 Clark, Austin Hobart, b. 1880. New York, D. Van Nostrand company
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecti, booksubjectzoology
