1878 Acknowledgment by United States. RADIO COMMUNICATIONS-CANADA. The American Minister (Robbins) to the Oanadian Se(J1'etary of State for EaJtemal AtfOlir8 (Bennett) No. 226. LEGATION OF THE UNITED STATES OF AMERICA, Ottawa, OfJffUJ.da, May 4, 1934. Sm: I have the honor to acknowledge the receipt this morning of your note No. 40 of May 2, 1934, in which you convey your approval of an arrangement governing radio communications between private experimental stations in Canada and the United States. In ac- cordance with the understanding reached in your note under acknowledgment and the Legation's note of April 23, 1934, the arrangement is considered to be effective as of today's date. I avail myself of the occasion to renew to you, Sir, the assurances of my highest consideration. WARREN D. ROBBINS. The Bight Honorable THE SECRETARY OF STATE FOR EXTERNAL AFFAIRS, Ott(JfWa. [No. 62]