..., making a total of 4,440,052. By the official returns obtained from the State Department at Washington, it appears that from Sept. 31, 1843, to December 31, 1860, there arrived at the ports of the United States , by sea, from foreign lands, 4,386,441 passengers. The greater number that arrived in a single year was 400,474. From this it is evident that the free colored population of this country might emi...