The next four years were given to concert work. Mr. Sweet joined Haverly’s Minstrels late in 1864; March 17, 1865, he opened with Arlington’s Minstrels, in Chicago; two years later he was also with Arlington. Another two years saw him a member of Buckley’s Serenaders. April 17, 1871, he opened in New York with Newcomb and Arlington’s Minstrels; a year later he was with Mike Leavitt’s Minstrels. Dr. Sweet has been practicing his profession for many years, but is always glad to recall “Auld Lang Syne.” Dr. Sweet has passed the allotted three score years and ten--and some more. THEODORE JACKSON, the old-time interlocutor, who in his day was prominently identified with many famous minstrel organizations, is said to have died in Brooklyn, N. Y., a few years ago. WILLIAM CASTLE (J. C. Reeves), the great operatic tenor, and long prominent in musical circles in Chicago, was with several famous minstrel organizations, notably Hooley & Campbell’s in 1860-61, and George Christy’s in 1862. Mr. Castle was born in England, December 20, 1836; he died in Chicago, Ill., March 31, 1909. JAKE WALLACE, the famous old banjoist and black-face performer, is said to be living on a ranch in Southern California, in the neighborhood of San Diego. The author is willing to admit he envies Mr. Wallace. S. S. PURDY was a well-known and prominent comedian; he excelled in the song and dance of “Nicodemus Johnson,” and as early as February, 1868, in a controversy, he claimed to have been the originator of it. In 1867 he was co-proprietor of Purdy, Coes and Converse’s Minstrels, and in 1872 of Purdy, Scott and Fostelle’s Minstrels. In 1863-64 he was with Hooley’s Minstrels in Brooklyn, and in 1867-68-69 with Kelly and Leon’s Minstrels. About February 1, 1876, he took out a company called the Purdy Combination, which had a brief existence. S. S. Purdy was born in Troy, N. Y., February, 1836; he died in Chicago, Ill., March 1, 1876. LOW GAYLORD (Lowrenzo Gaylord) began his theatrical career at the age of twelve as a ballad singer with Green’s Circus. In the early 50’s he organized Gaylord and Dupont’s Minstrels in Philadelphia, where they remained for several years. With M. T. Skiff they organized Skiff and Gaylord’s Minstrels, giving their first performance in 1864, and continued as an organization intermittently until 1878. Low Gaylord was born in Westfield, Mass., January 19, 1836; he died in Philadelphia, April 7, 1878. JOHN P. OBERIST was a well-known vocalist, and as a Tyrolean warbler, was one of the best. His first theatrical appearance was with the Twilight Serenaders at Erie, Pa., June 25, 1860. In 1865 he opened with Kelly and Leon’s Minstrels in New York, and continued with them about three years. Subsequently he was with Newcomb’s Minstrels in 1869, and in 1870 joined the San Francisco Minstrels for the season. Later he joined Harrigan and Hart’s Company in New York, where he remained until his death.