4
It does not come into being in its ultimate shape, but starts as a worm in the dead body of man or animal; then it gradually develops legs, puts forth wings and becomes a flying instead of a creeping thing, which generates in turn and produces a little worm, one day to be a fly. Living with man, sharing his food. and his table, it tastes everything except his oil, to drink which is death to it. In any case it soon perishes, having but a short span of life allotted to it, but while it lives it loves the light, and is active only under its influence; at night it rests, neither flying nor buzzing, but retiring and keeping quiet.
