“The last Plague which visited Marseilles, stopped suddenly, at the time of its greatest Rage, which may be easily explained; because the Disposition of the Air, which hatched the pestilential Worms, changed at once, so that the Worms perished, and propagated no more, as we have observed of the Caterpillars with which the Tops of our Houses were covered fifteen Years ago, and as we see every Year the Flies and other Insects perish, when the Season which produces them changes.”