. Insect architecture. Insects. 206 INSECT ARCHITECTURE. the level of the water, an operation well described by Scopoli, Swammerdam, and Reaumur. The excava- tions are always proportioned to the size of (he in- habitant; and consequently, when it is young and small, the hole is proportionally small, though, with respect to extent, it is always at least double the length of its body. The hole, being under the level of the river, is always filled with water, so that the grub swims in its native element, and while it is se- cure from being preyed upon by fishes, it has its own food within easy re
. Insect architecture. Insects. 206 INSECT ARCHITECTURE. the level of the water, an operation well described by Scopoli, Swammerdam, and Reaumur. The excava- tions are always proportioned to the size of (he in- habitant; and consequently, when it is young and small, the hole is proportionally small, though, with respect to extent, it is always at least double the length of its body. The hole, being under the level of the river, is always filled with water, so that the grub swims in its native element, and while it is se- cure from being preyed upon by fishes, it has its own food within easy reach. It feeds, in fact, if we may judge from its egesta, upon the slime or moistened clay with which its hole is A'Mfa of the Grubs of Fpliemtrn. A, The grub. B, Perforations in a river bank. C, One laid cpen to shew the parallel etructaro. In the bank of the stream at Lee in Kent, we had occasion to take up an old willow stump, which, pre- vious to its being driven into the bank, had been per- forated in numerous places by the caterpillar of the. 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 Rennie, James, 1787-1867. London, M. A. Nattali
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Keywords: ., bookcentury1800, bookdecade1840, booksubjectinsects, bookyear1846
