William Rhine Reading, 81, a retired banker and former mayor of College Park, died June 19 at a nursing home in Chestertown, Md. He had Alzheimer's disease.

Mr. Reading was born in Suitland. He was a graduate of Surrattsville High School and took banking courses at Rutgers University. He served in the Army in the Pacific during World War II.

He began his banking career at Citizens Bank of Riverdale, now part of Crestar Bank, prior to World War II. He joined Suburban Trust Co., now part of NationsBank, in 1947 and later managed the College Park branch.

After he retired as an assistant vice president, he worked at the University of Maryland as business manager for intercollegiate athletics. He also was a member of the Maryland governor's advisory board for student affairs. He was assistant vice president of the Bank of Bethesda from 1979 to about 1981.

Mr. Reading served on the College Park city council and was mayor from 1969 to 1973. In his first year, National Guard troops had to be called to the university campus, where protest disturbances over the Vietnam War had erupted. As mayor, he also worked on plans for urban renewal in the city.

He was commander of the Veterans of Foreign Wars post in College Park and president of the College Park Board of Trade and the Washington chapter of the American Institute of Banking. He taught courses for the institute. He was a director of the American Cancer Society's Prince George's County chapter and chairman of the Red Cross in the county.

Mr. Reading was a member of St. Andrew's Episcopal Church in College Park, Prince George's County Chamber of Commerce, Prince George's Historical Society, Terrapin Club at the University of Maryland and the American Legion.

His marriage to Dorothy Blanche Lewis ended in divorce.

Survivors include his wife of 41 years, Natalie Greaves Reading of College Park; a daughter from his first marriage, Barbara Lee Groncki of Mohnton, Pa.; four children from his second marriage, Robert William Reading of Stevensville, Md., Richard Hamilton Reading of Germantown and Natalie Noel Reading and James Charles-Harry Reading, both of College Park; two sisters; a brother; eight grandchildren; and four great-grandchildren.