A legitimate conclusion to draw from all this is that as civilization and brain development have gone on hand in hand, the lower races which have not taken part in it are forever unfitted for it. Though specialized enough to take up some few special employments as an intruder in civilization, they cannot carry on the advance by themselves. They are also barred out more effectually the sooner they escaped from the factory of brain. The negro is a survival of men who migrated too soon and whenever he is left alone he invariably reverts to ancestral life as in Haiti. His color and physique bar him from the best parts of this country where he quickly perishes, and the struggle in a civilized environment is causing such degeneration that he is producing a tremendous crop of degenerates in the south from bad food, bad habits and exposure. Crime, consumption and insanity increase and hasten the inevitable extinction. He is sure to become extinct and is not an exception to the rules of acclimatization as Shaler s...