The promptitude and energy of Commodore Preble.

I recommend to the consideration of Congress a just indemnification for the interest acquired by the captors of the Mishouda and Mirboha, yielded by them for the public accommodation.

The proper decision of Captain Bainbridge that a vessel which had committed an open hostility was of right to be detained for inquiry and consideration.

And to these I add what was indeed transacted in another quarter--the gallant enterprise of Captain Rodgers in destroying on the coast of Tripoli a corvette of that power of 22 guns.

The conduct of our officers generally who have had a part in these transactions has merited entire approbation.

The temperate and correct course pursued by our consul, Mr. Simpson.

The efficacious cooperation of Captains Rodgers and Campbell, of the returning squadron.

You will be sensible, from the face of these papers, as well as of those to which they are a sequel, that they are not and could not be official, but are furnished by different individuals as the result of the best inquiries they had been able to make, and now given as received from them, only digested under heads to prevent repetitions.

It will inform them of the obligations which the United States thereby contract, and particularly that of taking the tribe under their future protection, and that the ceded country is submitted to their immediate possession and disposal.

I now lay before them copies of such documents as are in possession of the Executive relative to the arrest and confinement of Zachariah Cox.

I now communicate a digest of the information I have received relative to Louisiana, which may be useful to the Legislature in providing for the government of the country.

From the nature of the transaction some documents relative to it might have been expected from the War Office.

A translation of the most important laws in force in that province, now in press, shall be the subject of a supplementary communication.

In the meanwhile it is for Congress to consider the provisional authorities which may be necessary to restrain the depredations of this power should they be continued.

Progress having been made in the demarcation of Indian boundaries, I am now able to communicate to you.

I now lay before you the treaty mentioned in my general message at the opening of the session as having been concluded with the Kaskaskia Indians for the transfer of their country to us under certain reservations and conditions.

This conduct on the part of that power is without cause and without explanation.

I lay before you the convention signed on the 12th day of May last between the United States and Great Britain for settling their boundaries in the northeastern and northwestern parts of the United States.