Four candidates in the Maryland primary election were inadvertently omitted from The Washington Post Voters' Guide supplement published on Thursday.

The four are:

Anthony J. Cicoria, a Democratic candidate for the District 2 seat on the Prince George's County Council. He is the incumbent and a two-term council member. Cicoria, 47, is a Hyattsville resident.

George Cunningham, a Democratic candidate for Howard County sheriff. The 35-year-old resident of Ellicott City is a detective in the Baltimore City Sheriff's Department and has 16 years of law enforcement experience. He is a member of the state and national sheriff's associations and the International Narcotics Enforcement Officers Association, and a charter member of the Fraternal Order of Police. He is married and has one child.

Joseph Fleischmann II, a Republican candidate for state's attorney in Howard County. He is a trial lawyer who lives in Ellicott City. Fleischmann, 47, is a graduate of Howard County Senior High School and the University of Baltimore School of Law, and has had 6 1/2 years' experience as an assistant state's attorney in Baltimore and Howard. He is a member of the Baltimore County Road Runners, the Howard County Striders, the Howard County PTA and the Braebrook Townhouse Association.

William C. Smith, a Democratic candidate for the District 1 seat on the Howard County Council. The 41-year-old resident of the Bonnie Branch/Illchester community is a computer consultant who is founding chairman of the Coalition of Community Associations for Howard County and president of the Bonnie Branch/Illchester Association. He helped write and publish the "Complete Zoning Activist," a handbook for Howard County residents, and is a former member of the advisory board for the Howard County Board of Education.