Dramatic Feuilleton Quelqu'un describes his recent trip to Barnum's Museum, including the display of "Virtue" and the "moral" amusements he witnessed.  Quelqu'un feels that the church and stage should remain separate and was unimpressed with the farce he saw at Barnum's, <cite>Joseph and His Brethren</cite>.  Quelqu'un reviews Laura Keene's opening play, <cite>The Monkey Boy</cite>, adapted from the French by Thomas Blades de Walden.  He reviews the play and discusses de Walden's adaptation.  Quelqu'un also reviews the opening show at Wallack's, <cite>The Royalist, or Forty Years Ago</cite>.  Quelqu'un gives a general review of what's  going on at the Winter Garden and Nixon's and who will be touring in Peoria.  He also announces the upcoming debut of Edwin Forrest as Hamlet at Niblo's.