Andrew Vincent Corry, 77, a mineralogist and career Foreign Service officer who was U.S. ambassador to Sierra Leone, Sri Lanka and the Maldive Islands in the 1960s, died of emphysema Nov. 24 at a hospital in San Diego, Calif.

Mr. Corry, who lived in San Diego, was ambassador to Sierra Leone from 1964 to 1967. He then served as U.S. ambassador to Sri Lanka (formerly Ceylon) and the Maldives, an island group in the Indian Ocean, before retiring about 1969.

He joined the State Department in 1947 and became minerals attache in New Delhi, India, later that year. He was consul general in Pakistan, a consultant to U.S. agencies in South America and coordinator of Senior Foreign Service Policy at the State Department's Foreign Service Institute before being appointed an ambassador.

In 1954, he received the State Department's Commendable Service Award.

Mr. Corry was born in Missoula, Mont. He was a graduate of Harvard University and a Rhodes scholar who earned two bachelor's degrees and a master's degree from Oxford University, England. He also earned a master's degree in geology from the University of Montana School of Mines, where he was an assistant professor early in his career.

There are no immediate survivors.