Obdallah en Noor, [432], [440].
Obeyed, two priests in, [312];
Mahdi brought ammunition from, [329].
Om Ali, Stewart at, [443].
Omar Bey, [444].
Om Ghirka, Stewart anchored opposite, [442].
Om Halfa to Gakdal, time to get from, [261].
Omdurman, forces at, [69];
Mahdi expected at, [158];