These are the plays which, in the light of metropolitan criticism, seem most important. SERIOUS THE GREAT GOD BROWNEugene O'Neill's powerful if sometimes confusing report of how one man bought another's brains. CRAIG'S WIPEA portrait of that woman down the street whose house is so scrupulously clean that you are chilled to enter it. LULU BELLELenore Ulric as a black rowdy who sails away to Paris with a French vicomte. LESS SERIOUS CRADLE SNATCHERSRibald doings on Long Island when three mad young men and three bad elderly ladies foregather for the weekend. AT MRS. BEAM'SAn English invention in which Bluebeard in modern clothes invades a stodgy boarding house. WHAT EVERY WOMAN KNOWSHelen Hayes and a crisp troupe redealing one of J. M. Barrie's winning hands. MUSICAL The song and dance situation should first be investigated via Sunny, Ziegfeld Revue, Passions of 1926 (formerly The Merry World), The Vagabond King, Scandals, Americana, lolanthe.