"THE HOLLYWOOD SQUARES" Welcomes 9 New Stars are "ROWAN & MARTIN'S LAUGH-IN's" ARTE JOHNSON, Actress JANE POWELL, Actor-Comedian-Singer-TV Host GARRY MOORE, "ROWAN & MARTIN'S LAUGH-IN's" RUTH BUZZI, "THE UNDERDOG SHOW's" MR. WALLY COX , NANETTE FABRAY, "THE DICK VAN DYKE SHOW's" MOREY AMSTERDAM, BILL BIXBY & "Bewitched's" PAUL LYNDE.—Ben Hallums<benhallums1@hotmail.com>