India had made a real expansion on newly-irrigated lands in the Indus Valley. Thirty millions and more of Chinese had pushed into Manchoukuo and Inner Mongolia in the greatest of recent migrations. There had also been an eastward colonization-of western Siberia from Russia extending almost to Lake Bgtum, which amounted possibly to 2,090,000. The net effect of the great migrations of the 19th and 20th centuries had not tended to spread the population more evenly over the earth or to fill up great open spaces, but only to accentuate the crowding of mankind into already populous lands, Drift to Cities
Text read from the printed page and cleaned; old type leaves the occasional error.