The inimitable Mac West, will appear tonight with W. C. Fields in the only picture they made together, "My Little Chickadee." There will be two showings at 7 and 9 p.m. in Gilmer Hall Auditorium, sponsored by the Filmwatchers' club. The performances are open to the public and admission is 50 cents. In addition, "A Thousand Clowns," starring Jason Robards will be shown in Newcomb Hall and 7 and 9:15 in Newcomb Hall, sponsored by University Union.