masses of silver from the newly-discovered mines, men were prepared to believe almost any thing—even that rich vegetable mould, when saturated with water, could float.
It not being lawful to promulgate the facts of the Conquest, the memory of events that really transpired ultimately passed from the recollections of men, so that the letters of Cortéz were taken for truth, even in their most minute details; so that, in a subsequent century, we find a vice-king employing an engineer to search for and clean out the hole in the bottom of the Tezcuco! for, from the vice-king down to the most insignificant official, all assumed that the letters of Cortéz gave a correct picture of affairs at that time; and all showed the greatest embarrassment in accounting for the magnitude of the changes that are supposed to have occurred without a sufficiently adequate cause. It is a common difficulty in all purely Catholic countries, for there the rule of evidence is an unnatural one. The people have been taught to believe from their infancy that the laws of nature can be