237.—jLawful authorities. The expression ‘“Jawful authorities,” used in our treaty with Spain, refers to persons who exercised the power of making grants by authority of the crown. Mitchel v. U. S., 9 Pet. 11, 9 L. Ed. 283.— Lawful discharge. Such a discharge in insolvency as exonerates the debtor from his debts. Mason v. Haile, 12