of lands in Texas has been made since the second day of March one thousand eight hundred and thirty six; and that no grant whatever of lands in any of the territories aforesaid has been made since the thirteenth day of May one thousand eight hundred and forty-six.
Article XI.
Considering that a great part of the territories which, by the present Treaty, are to be comprehended for the future within the limits of the United States, is now occupied by savage tribes, who will hereafter be under the exclusive control of the Government of the United States, and whose incursions within the territory of Mexico would be prejudicial in the extreme; it is solemnly agreed that all such incursions shall he forcibly restrained by the Government of the United States, whensoever this may be neceſsary; and that when they cannot be prevented, they
