NATIVE AMERICANS: SIGN LANGUAGE. /nThe Shoshone chief Tendoy using signs to communicate with Huerito, an Apache chief, at Washington, D.C., April 1880: He is leaving in two more days (left) to return to his country, in Idaho, where there is much snow (right). Wood engravings from 'Sign Language Among the North American Indians,' by Garrick Mallery, 1881.