CHAP. XXV.
233
the revolution) to two million eight hundred andseventy-seven thousand two hundred and thirteenmarcs of silver, and eight thousand one hundredand nine marcs of gold. At Zaccatecas thedifference appears to have been inconsiderable,amounting only to a decline of two million onehundred and sixty thousand nine hundred andsixty-three in the fifteen years of convulsion, ascompared with the immediate period of the samelength which preceded it 1 .”
The mines of Sombrerete declined in producefrom five hundred thousand to three hundredthousand annually. The produce of the minesof Catorce, which was second only to that ofGuanaxuato in the amount of silver raised, beingnearly three millions of dollars annually, was soreduced as to yield, on the average of the fifteenyears from the commencement of the insurrec-tions, no more than five hundred and ninety-ninethousand four hundred dollars. The produce ofthe Biscaina vein at Real del Monte in sevenfavourable years before the revolution was sixmillion of dollars, or eight hundred and fifty-seven thousand and forty-two per annum; andfrom 1809 to 1823 it only yielded, in all, twohundred thousand dollars, or at the rate offourteen thousand two hundred and eighty-fiveon the average of the period.