natural to look for something in the structure of nature that would effectually prevent the obliteration of either race. One may find this in those general considerations which make intermarriages, in his view, inexpedient; or another in the innate and absolute instincts of the creature. But both will receive with suspicion, as an undoubted and fundamental rule of Christian morals, a dogma which requires us to contend against the clear leadings of providence, and the good and merciful intentions of our Creator. We tax our faith but slightly when we believe that as soon as these purposes of mercy and glory are accomplished, and the signal revolution in the social condition of man now contended for shall be required by the Almighty, we may look for a channel of communication between him and the world more in accordance with the Spirit of his Son than any which has yet brought us messages on the subject. The _fourth_ objection which struck him against this whole procedure was, that in point of fact the world has need of every race that now exists on its surface. It has taken forty centuries to adjust the nicely-balanced and adapted relations and proportions of a vast and complicated structure,--which the finger of all-pervading wisdom has itself guided in all the steps of its development. And now, a stroke of the pen is to subvert it all, and one dictum, of the world knows not whom, accomplish the most stupendous revolution which all these forty centuries have witnessed. Suppose the end gained. If any one race now existing was obliterated, or very materially altered in its physical condition, how large a proportion of the world's surface would become speedily depopulated, and so remain until the present condition of things were restored! If this could happen as to every race _but one_, what a wreck would the earth exhibit! He who will look with a Christian's eye abroad upon the families of men, must feel that to accomplish the great hopes that his heart has conceived for this ruined world, he needs every race that now peoples it; and must see the hand of God in arresting so speedily and so signally this pernicious heresy. In the fifth place, he suggested an argument against amalgamation, which at once showed the injustice of the outcry against America, and the total inconsiderateness of Mr. Thompson and his party. The fact was that this prejudice of color, as it was called, was in all respects mutual; and so far from being the peculiar sin of America, was the common instinct of the human race, and existed as really, if not as strongly on the side of the colored population as on that of the whites. In proof of this, Mr. Breckinridge cited the case of Hayti, where no man is allowed the rights of citizenship, unless a certain portion of black blood runs in his veins; and that of Richard Lander, who, while travelling in the interior of Africa, as the servant of Park, was looked upon with comparative favor by the natives on account of his