Intramural athletics invaded Soldiers Field in force for the first time sines November yesterday afternoon as House baseball and softball hopefuls look their-arms out of mothballs and began warming up for Monday's opening games.

Two informal games were in progress as talent scouts began second guessing about the final stages of the Straus Trophy marathon.

But one subversive rumor was in the wind. It was noised about that one of the Houses was fielding a pair of identical twins, one of whom wields a potent wand at the plate. Opponents began considering the possibilities.