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 sense, and therefore not admissible. Even if these maxims had a precise technical sense, corresponding with the idea of those who employ them upon the present occasion, which, however, is not the case, they would still be inapplicable to a Constitution of Government. In relation to such a subject, the natural and obvious sense of its provisions, apart from any technical rules, is the true criterion of construction.

Having now seen that the maxims relied upon will not bear the use made of them, let us endeavor to ascertain their proper use and true meaning. This will be best done by examples. The plan of the Convention declares, that the power of Congress, or, in other words, of the National Legislature, shall extend to certain enumerated cases. This specification of particulars evidently excludes all pretension to a general Legislative authority; because an affirmative grant of special powers would be absurd, as well as useless, if a general authority was intended.

In like manner, the Judicial authority of the Fœderal Judicatures is declared by the Constitution to comprehend certain cases particularly specified. The expression of those cases marks the precise limits, beyond which the Fœderal Courts cannot extend their jurisdiction; because the objects of their cognizance being enumerated, the specification would be nugatory, if it did not exclude all ideas of more extensive authority.

These examples are sufficient to elucidate the maxims which have been mentioned, and to designate the manner in which they should be used. But that there may be no possibility of misapprehensions upon this subject, I shall add one case more, to demonstrate the proper use of these maxims, and the abuse which has been made of them.

Let us suppose that by the laws of this State a married woman was incapable of conveying her estate, and