London Labour and the London Poor, Vol. 3

part in the economy of nature. Amongst a number of the insect tribe

whose office it is to remove nuisances the most disgusting to the eye, and the most offensive to the smell, the varieties of the blue-bottle fly belong to the most useful.

“When the dead carcases of animals begin to grow putrid, every one knows what dreadful miasmata exhale from them, and taint the air we brea...