YU-CH'ENG-KO (HUNAN), native of Anhwei; metrop. graduate, 1890; Tai-Ping-Shuu-Ssu Tao, Lungchou, Kwangsi, April, 1904; Treasurerelect, Chihli, 1905; was censor in Peking during the Boxer emeute of 1900, and gained notoriety as antiforeigner; is believed to have drawn up forged edicts ordering missionaries to be driven out of country, and commanding the massacres of all foreigners throughout Empire; upon relief of Peking fled to Hunan highlands.