Letter
Mason to [For enclosure in No. 12, Mr. Benjamin to Mr. Mason, June 11, 1863, see “North America, No. 13, (1864,)” page 25.], July 24, 1863
No. 12. Mr. Mason to Earl Russell.–(Received July 24.) 24 Upper Seymour Street, Portman Square, July 24, 1863. My Lord: I have the honor to transmit to your lordship herewith…