J. Parnell Thomas, chairman of the House Un-American Affairs Committee, said last night that his proposed investigation of Communism in education was still too distant to predict a date.

In a telephone conversation from Washington, Thomas could make no comment on the alleged un-Americanism because we have not yet sent out any investigators."

The Committee will turn to education. Thomas said, after another phase of the Hollywood probe and "three or four other matters are cleared up."