Rachel Pappas, lower left is pictured, with other sorority sisters that were either purged or resigned from Delta Zeta while they hold a copy of the sorority composite photo on campus at DePauw University in Greencastle, Ind. on Feb. 22, 2007. Pappas was one of the Delta Zeta members that resigned in disgust following the purge of numerous members from the sorority in December.(Andrew Hancock for The New York Times)