And upon a full and careful consideration of the subject, the court is of opinion, that, upon the facts stated in the plea in abatement, Dred Scott was not a citizen of Missouri within the meaning of the Constitution of the United States, and not entitled as such to sue in its courts; and, consequently, that the Circuit Court had no jurisdiction of the case, and that the judgment on the plea in abatement is erroneous.

We are aware that doubts are entertained by some of the members of the court, whether the plea in abatement is legally before the court upon this writ of error: but if that plea is regarded as waived, or out of the case upon any other ground, yet the question as to the jurisdiction of the Circuit Court is presented on the face of the bill of exception itself, taken by the plaintiff at the trial; for he admits that he and his wife were born slaves, but endeavors to make out his title to freedom and citizenship by showing that they were taken by their owner to certain places, hereinafter mentioned, where slavery could not by law exist, and that they thereby became free, and upon their return to Missouri became citizens of that State.

Now, if the removal, of which he speaks, did not give them their freedom, then by his own admission he is still a slave, and whatever opinions may be entertained in favor of the citizenship of a free person of the African race, no one supposes that a slave is a citizen of the State or of the United States. If, therefore, the acts done by his owner did not make them free persons, he is still a slave, and certainly incapable of suing in the character of a citizen.

The principle of law is too well settled to be disputed, that a court can give no judgment for either party, where it has no jurisdiction; and if, upon the showing of Scott himself, it appeared that he was still a slave, the case ought to have been dismissed, and the judgment against him and in favor of the defendant for costs, is, like that on the plea in abatement, erroneous, and the suit ought to have been dismissed by the Circuit Court for want of jurisdiction in that court.

But, before we proceed to examine this part of the case, it may be proper to notice an objection taken to the judicial authority of this court to decide it; and it has been said, that as this court has decided against the jurisdiction of the Circuit Court on the plea in abatement, it has no right to examine any question presented by the exception; and that any thing that it may say upon that part of the case will be extra judicial, and mere orbita dicta.

This is a manifest mistake; there can be no doubt as to the jurisdiction of this court to revise the judgment of a Circuit Court, and to reverse it for any error apparent on the record, whether it be the error of giving judgment in a case over which it had no jurisdiction, or any other material error; and this, too, whether there is a plea in abatement or not.

The objection appears to have arisen from confounding writs of error to a State court, with writs of error to a Circuit Court of the United States. Undoubtedly, upon a writ of error to a State court, unless the record shows a case that gives jurisdiction, the case must be dismissed for want of jurisdiction in this court. And if it is dismissed on that ground, we have no right to examine and decide upon any question presented by the bill of exceptions, or any other part of the record. But writs of error to a State Court, and to a Circuit Court of the United States, are regulated by different laws, and stand upon entirely different principles. And in a writ of error to a Circuit Court of the United States, the whole record is before this court for examination and decision; and if the sum in controversy is large enough to give jurisdiction, it is not only the right, but it is the judicial duty of the court, to examine the whole case as presented by the record; and if it appears upon its face that any material error or errors have been committed by the court below, it is the duty of this court to reverse the judgment, and remand the case. And certainly an error in passing a judgment upon the merits in favor of either party, in a case which it was not authorized to try, and over which it had no jurisdiction, is as grave an error as a court can commit.

The plea in abatement is not a plea to the jurisdiction of this court, but to the jurisdiction of the Circuit Court. And it appears by the record before us, that the Circuit Court committed an error, in deciding that it had jurisdiction, upon the facts in the case, admitted by the pleadings. It is the duty of the appellate tribunal to correct this error; but that could not be done by dismissing the case for want of jurisdiction here—for that would leave the erroneous judgment in full force, and the injured party without remedy. And the appellate court therefore exercises the power for which alone appellate courts are constituted, by reversing the judgment of the court below for this error. It exercises its proper and appropriate jurisdiction over the judgment and proceedings of the Circuit Court, as they appear upon the record brought up by the writ of error.

The correction of one error in the court below does not deprive the appellate court of the power of examining further into the record, and correcting any other material errors which may have been committed by the inferior court. There is certainly no rule of law—nor any practice—nor any decision of a court—which even questions this power in the appellate tribunal. On the contrary, it is the daily practice of this court, and of all appellate courts where they reverse the judgment of an inferior court for error, to correct by its opinions whatever errors may appear on the record material to the case; and they have always held it to be their duty to do so where the silence of the court might lead to misconstruction or future controversy, and the point has been relied on by either side, and argued before the court.

In the case before us, we have already decided that the Circuit Court erred in deciding that it had jurisdiction upon the facts admitted by the pleadings. And it appears that, in the further progress of the case, it acted upon the erroneous principle it had decided on the pleadings, and gave judgment for the defendant, where, upon the facts admitted in the exception, it had no jurisdiction.