494 PUBLIC TREATIES. take place in time to allow the embarcation of the troops of the United States to be completed before the commencement of the·sickly season, at the Mexican ports on the Gulf of Mexico, in such case a friendly arrangement shall be entered into between the General-in-chief of the said troops and the Mexican Government, whereby healthy and otherwise suitable places, at a distance from the ports not exceeding thirty leagues, shall be designated for the residence of such troops as may not yet have embarked, until the return of the healthy season. And the space of time here referred to as comprehending the sickly season shall be understood to extend from the first day of May to the first day of November. Prisoners of war All prisoners of war taken on either side, on land or on sea, shall be w be f¤¤¢<>¤¤<l· restored as soon as practicable after the exchange of ratiiications of this treaty. It is also agreed that if any Mexicans should now be held as captives by any savage tribe within the limits of the United States, as about to be established by the following article, the Government of the said United States will_ exact the release of such captives, and cause them to be restored to- their country. Anrronn V. Boundary line. The boundary line between the two Republics shall commence in the [see Ai-anis 1, Gulf of Mexico, three leagues from land, oppo ite the mouth of the Rio treaty of 1%3, Grande, otherwise called Rio Bravo del Norte, or opposite the mouth of P- 5°*·]` its deepest branch, if it should have more than one branch emptying directly into the sea; from thence up the middle of that river, following the deepest channel, where it has more than one, to the point where it strikes the southern boundary of New Mexico; thence, we twardly, along the whole southern boundary of New Mexico (which runs north of the town called Paso) to its western termination ; thence, northward, along the western liue of New Mexico, until it intersects the iirst branch of the river Gila; (or if it should not intersect any branch of that river, then to the point on the said line nearest to such branch, and thence in a direct line to the same;) thence down the middle of the said branch and of the said river, until it empties into the Rio Colorado; thence across the Bio Colorado, following the division line between Upper and Lower California, to the Pacific Ocean. S<>¤¤h¤{¤_¤¤d The southern and western limits of New Mexico, mentioned in this §':j'“]'Rx£;"‘*' °f article, are those laid down in the map entitled Wllap of the United Mew- ' icc/n States, as organized and defined by various acts of the Oongreae of said republic, and constructed ing to the beet authorities. Revised edition. Published at New York, in 1847, by J. Dietumell ;” of which map a copy is added to this treaty, bearing the signatures and seals of the undersigned Plenipotentiaries. And, in order to preclude all dimculty in tracing upon the ground the limit separating Upper from Lower California, it is agreed that the said limit shall consist of a. straight line drawn from the middle of the Rio Gila, where it unites with the Colorado, to a point on the coast of the Pacific Ocean, distant one marine league duo south of the southernmost point of the port of San Diego, according to the plan of said port made in the year 1782 by Don Juan Pantoja, second sailing-master of the Spanish fleet, and published.at Madrid ·in the year 1802, in the atlas to the voyage of the schooners Sutil. and Mexicana; of which plan a copy is hereunto added, signed and sealed by the respective Plenipoteutiaries. Commissioners In orderto designate the boundary line with due precision, upon an-
- 1 ¤“5"°Y°L¤ H? thoritative maps, and to establi h upon the ground land-marks which
.{)';Qn'f,';,y"f§*:c_° shall show the limits of both republics, as described in the present ¤1'· ticle, the two Governments shall each appointa commissioner and a surveyor, who, before the expiration of one year from the date of the exchange of ratillcations of this treaty, shall meet at the port of San Diego, and proceed to run and mark the said boundary in its whole course to the mouth of the Rio Bravo del Norte. They shall keep jour-
