[1][2] On June 8, 1923, it reorganized as an undergraduate social collegiate fraternity, with Northwestern University becoming the Alpha chapter.

[2] Several chapters were established at midwestern universities, many by absorbing existing local fraternities.

[3] The fraternity joined the National Interfraternity Conference as a junior member November 1924.

[2][6][7] The chapter at the University of Mississippi had been considered for participation in the merger but it failed before initiation.

The left hand Φ could be rendered chased or engraved with scrollwork, and the Π, normally set with pearls, was occasionally set with other precious stones at the corners to denote grand officers.