any time any of the european colonies located off the Americas were the prey of fevers putrid and pestilential. Their ravages were fools. The worst of all has long been known as the evil of Siam, because it was said that it had been imported from the kingdom of Siam, on board the frigate Oriflamme in 1604. In reality, the yellow fever, as it is her that he is, had probably embarked at Pernambuco, in Brazil, where the ship had made a stopover. For several decades, this disease is transmitted by the mosquitoes that had crossed the Atlantic, from…