Probably there is no portion of the globe, of equal extent, that contains as much of soil fit for cultivation, and which is capable of sustaining and supplying with all the necessaries and conveniences, and most of the luxuries of life, so dense a population as this great Valley. Deducting one third of its surface for water and desert, which is a very liberal allowance, and there remains 866,667 square miles, or 554,666,880 acres of arable land.

Let it become as populous as Massachusetts, which contains 610,014 inhabitants on an area of 7,800 square miles, or seventy-eight to every 640 acres, and the population of this immense region will amount to 67,600,000. The child is now born which will live to see this result. Suppose its population to become equally dense with England, including Wales, which contains 207 to the square mile, and its numbers will amount to 179,400,000. But let it become equal to the Netherlands, the most populous country on the globe, containing 230 to the square mile, and the Valley of the Mississippi teems with a population of 200 millions, a result which may be had in the same time that New England has been gathering its two millions. What reflections ought this view to present to the patriot, the philanthropist, and the christian.

Physical Features. The physical features of this Valley are peculiar.

1. It includes two great inclined planes, one on its eastern, and the other on its western border, terminating with the Mississippi.

2. This river receives all the waters produced on these slopes, which are discharged by its mouths into the gulf of Mexico.

3. Every part of this vast region can be penetrated by steamboats, or other water craft; nor is there a spot in all this wide region, excepting a small district in the vast plains of Upper Missouri, that is more than one hundred miles from some navigable water. A boat may take in its lading on the banks of the Chatauque lake, in the State of New York; another may receive its cargo in the interior of Virginia; a third may start from the rice lakes at the head of the Mississippi; and a fourth may come laden with furs from the Chippewan mountains, 2,800 miles up the Missouri, and all meet at the mouth of the Ohio, and proceed in company to the ocean.

4. With the exception of its eastern and western borders, there are no mountains. Some portions are level, a large part is gently undulating, or what in the west is called "rolling," and the remainder is made up of abrupt hills, flint and limestone ridges, bluffs, and ravines.

5. It is divided into two great portions, the Upper, and Lower Valley, according to its general features, climate, staple productions, and habits of its population. The parallel of latitude that cuts the mouth of the Ohio river, will designate these portions with sufficient accuracy.

North of this line the seasons are regularly divided into spring, summer, autumn, and winter. In the winter there is usually more or less snow, ice forms and frequently blocks up the rivers, navigation is obstructed, and cotton is not produced in sufficient quantity or quality to make it a staple for exportation. It is the region of furs, minerals, tobacco, hemp, live stock, and every description of grain and fruit that grows in New England. Its white population are mostly accustomed to labor.

South of this line, cotton, tobacco, indigo, and sugar are staples. It has little winter, snow seldom covers the earth, ice never obstructs the rivers, and most of the labor is done by slaves.