It has been proved by the foregoing statistical study, varied in every way and taking every significant fact into consideration, that the Negro is everywhere in the United States yielding and making place for the Caucasian. We might, indeed, have anticipated that such a result would follow infallibly upon exposing the two races to open competition. For the Negro has never voluntarily extended himself beyond his African home; he has never eagerly sought out new habitats, nor readily adapted himself to new environments; whereas the Caucasian has traversed and colonized the earth from the equator to either pole; he has plumbed every abyss; he has scaled every height; he has spied out every secret place: for him no sea has been too wide, no plains too broad, no mountains too high, no sands too hot, no snow too cold, no jungles too dark and deadly. He pits himself against Nature, he forges for himself Achillean armour, he grasps the shield, he shakes the spear, and rushes joyfully to the encounter. Nothing of all this, nothing in any way like aught of this, has the Negro ever done; naught, in our judgement, will he ever do. The massive facts, then, of the geographical distribution of the races give token unmistakable that, in any collision within any but the tropical regions, the Negro must go down before the Caucasian. This superior vigour, this aggressive vitality need not reveal itself to any mass-measurements; it might hide away in the cells and the finest tissue; it might be not anatomic, but histotomic only. The distinguished surgeon, Dr. Rudolph Matas, as the result of wide observation and careful inquiry, declares that pathological-anatomical peculiarities of the Negro are not recognizable chirurgically; Black and White are sensibly the same.