The Urim and Thummim were lots carried in a bag (at least in the earliest stage) and when a decision was needed the priest would reach in- white stone (Urim) meant yes, black meant no. But I am certain that Fred C. has a lot more info than I on the topic. Jim ++++++++++++++++++++++++++++++++++++++++++++++++ Jim West Professor of Biblical Languages, CCBI Adjunct Professor of Bible, Quartz Hill School of Theology