63 STAT.] MEXICO-ANTHROPOLOGICAL RESEIARCH Dec. 4, 1948, Apr. 19, 1944 2 June 21, 1949 fessional use of the United States scientists assigned to Mexico in accordance with the present agreement. 4. Revisions. The present agreement may be revised, amended, or changed in whole or in part with the approval of both Governments, as embodied in and effected by an exchange of notes between the two Governments. 5. Term. The present agreement shall remain in force until June 30, 1953, and may be continued in effect for additional periods through written agreement to that effect by the two Governments; but either Government may terminate the present agreement by giving to the other Government notice in writing ninety days in advance. If the Congress of either country should fail to make available the funds necessary for the execution of the present agreement, either Govern- ment may terminate the present agreement by giving to the other Government notice in writing sixty days in advance. In view of Your Excellency's note, dated today, indicating that the foregoing principles and procedures are acceptable to the Government of the United States of America, the Government of the United Mexi- can States considers that this note, together with the note just men- tioned above, constitute an agreement between the two Governments on this subject, which shall be considered effective from July 1, 1948. I renew to Your Excellency the assurances of my highest con- sideration. RAFAEL DE LA COLINA Ambassador, His Excellency JAMES E. WEBB Acting Secretary of State Washington, D. C. The American Ambassador to the Mexican Minister of Foreign Relations EMAssY OF TZH UNmID STATES OF AMErac No. 2100 Mexzico, D. F., December 4,1943 EXCELLENCr: Pursuant to instructions from my Government and in accord with the desires of the Smithsonian Institution of Washington, D. C., to cooperate with the appropriate Mexican authorities and local organi- zations in the field of anthropological research, I have the honor to attach herewith a proposed Memorandum Agreement which sets forth the obligations that would be assumed by the Government of the United States through the Institute of Social Anthropology of the Smith- sonian Institution, and by the Government of Mexico through the Institute Nacional de Antropologia e Historia, with a view to obtain- ing acceptance by the Mexican Government. In the event that the Mexican authorities find the proposal to be acceptable, Your Excel-
�
