. Insect architecture. Insects. ANIMAL-GALLS. 411 bovis, Lath.) is hatched, it immediately (if Mr. Bracey Clark be correct) burrows into the skin; while, according to Reaumur, it is hatched there. At all events, the grub is found in a bump on the animal's back, resembling a gall on a tree,—"a place," says Re'aumur, "where food is found in abundance, where it is protected from the weather, where it enjoys at all times an equal degree of warmth, and where it finally attains maturity. When in an advanced stage, the bumps appear much like the swellings produced upon the forehead by
. Insect architecture. Insects. ANIMAL-GALLS. 411 bovis, Lath.) is hatched, it immediately (if Mr. Bracey Clark be correct) burrows into the skin; while, according to Reaumur, it is hatched there. At all events, the grub is found in a bump on the animal's back, resembling a gall on a tree,—"a place," says Re'aumur, "where food is found in abundance, where it is protected from the weather, where it enjoys at all times an equal degree of warmth, and where it finally attains maturity. When in an advanced stage, the bumps appear much like the swellings produced upon the forehead by a smart blow. These, with the grubs, are represented in the foregoing figure, and also at page 412. Every bump, according to Re'aumur, has m its inside a cavity, which is a lodging proportionate to the size of the insect. The bump and cavity also increase in proportion to the growth of the grub. It is not until about the middle of May that these bumps can be seen full grown. Owing to particular cir- cumstances, they do not all attain an equal size. 1 lie largest of them are sixteen or seventeen lines in dia- meter at their base, and about an inch high ; but they. $2^ jjftffliii Fly, maggot, and grub of the Ox-breeze-fly, with a microscopic view of the maggot. * Mem. iv. 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
