to the circulation of life than in most other countries. Locomotives are here like pulses which impel the blood through the veins and arteries of the body to every part of the system. Nothing is so invariably a characteristic of life here as its incessant change from place to place. People, goods, thoughts and things, are in a perpetual state of movement and interchange between State and State, between the North and the South, between the East and the West; nothing stands still; nothing stagnates, unless exceptionally. The impulse and the necessity to obtain possession of all the natural resources to this country are, besides this, in full activity; and there is, in consequence, a great deal done, both by government and by individuals, to promote the extension of practical science. Geology and the physical sciences flourish; the different States send out scientific men to examine new districts within the States, and institutions are established for the advancement of useful knowledge, especially in natural history and mechanics. One such is the Franklin Institution at Philadelphia, another the Smithsonian Institution at Washington, the ornamental gothic building for which is now erected on the banks of the Potomac. This institution, endowed by a wealthy gentleman of the name of Smithson, is intended to form a central national institution, where all the scientific labourers of the United States may have a point of union. Professor Henry, who is the Secretary of the institution, was glad to have an opportunity of sending you the first printed transactions of this very important institute, and I shall have the pleasure of being the bearer of them to you.
Yes, how delightful it will be to me, on my return home, to see you and good Mrs. Örsted and Matilda, and to tell you by word of mouth what I have seen and experienced here. I can now only passingly touch upon that great theme, the life of the United States. I am
