NegroPolicemen Added By LaurelLaurel added four Negroes to its previously all-white police force Saturday, less than a month following a flare-up of racial trouble here.The men were sworn in under what Assistant Police Chief Grady Nix called an “emergency basis” to put new officers in uniformas soon as possible. Chief C. C.Nix said the men v. ill begin work Aug. 8.Sworn in by City Clerk Graves Butler as rookie policemen were: Simon Shanks, 43, Charles Harrison, 33, Martin Jones, 32, and Arthur Holden, 30.Nix explained that “nothing has happened; there is no emergency. He stated the department simply wants the men on the force as soon as possible.Hiring under an emergency basis rushes up regular procedures and requirements tor Civil Service examinations.A period of briefing began thenew men's police activity Saturday with instructions on rulesaand regulations lasting about an hour, the chief said.Within a week the men will be uniformed and begin a period ofseveral week's instructions andin action traimnn(apt. JamesSellers, police training officer, 'Continued on page two)