Oil: Mexico: Expropriations 212/3*740 BRITISH EMBASSY, WASHINGTON, D.C. No. 137 My Lord, With reference to my telegram No. 186 of "February 9th, I have the honour to enclose herein a copy of the aide-memoire regarding the Mexican oil dispute which I handed to Mr. Sumner Welles on February 9th. 8. I also enclose herein a copy of the letter which, as reported in my telegram No. 169 of February 7th, I sent to .Yr. Welles on February 6th regarding the terms of reference for the arbitral tribunal proposed in the case of the American companies. I have the honour to be, with the highest respect, My Lord, Tour Lordship's most obedient, humble servant, fSgd.) L'>THIAK. The Right Honourable The Viscount Halifax, K.G • 9 etc • 9 etc etc. FRHM:NT:KIP