Page:Insects - Their Ways and Means of Living.djvu/291

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METAMORPHOSIS

however, began at an earlier period, and the apparently new creature was partially or almost entirely formed within the old skin before the latter was finally shed.

FIG. 135. Various habitats of plant-feeding caterpillars A, a caterpillar feeding in the open on a leaf. B, leaf miners in an apple leaf, rhe trumpet miner at a, the serpentine miner at b. C, the corn borer feeding within a corn stalk. D, the apple worm, or larva of the codling moth, feeding at the cote of an apple

After the molt, only a few last alterations in structure and some final adiustments are made while the wings and legs of the creature that had been confined in the closely fitting skin expand to their full length. The structural "changes accomplished after the molt, however, vary with different

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INSETS