.... This is well — if it be not too late. A letter from Mr. Trenholm, Secretary of the Treasury, to Mr. Wagner, Charleston, S. C. (sent over for approval), appoints him agent to proceed to Augusta , etc., with authority to buy all the cotton for the government, at $1 to $1.25 per pound; and then sell it for sterling bills of exchange to certain parties, giving them permission to remove it with...