OBSERVATORY built by Ulugh Beg at Samarkand, 60 n.
Odoric of Pordenone, 117.*
Oirat, the Kalmáks known as, 97*: see also Kalmáks.
Oktai (or Ogodai), third son of Chingiz Khán, 95*; dominion of, 31,* 32*; death of, 32*; Chapár, the last of the house of, 37.*
Oliver, Mr. E. E., paper entitled ‘The Chaghatai Mughals,’ 28,* 29*; and the representatives of Chaghatai, 32,* 33*; and the reign of Borák, 35*; and Chapár, 37.*
Olkhonod tribe, the, 16 n.
Omar Mirzá, son of Sániz Mirzá, 88; attempt to subdue Khotan, 99, 101.
Omar Mirzá, brother of Aba Bákr Mirzá, 251; has his eyes put out, 253.
Omar Shaikh, chief of the Shulkárchi tribe, 309.
Omar Shaikh, governor of Andiján, 45, 46; sent by Amir Timur against Kamar-ud-Din, 49.
Omar Shaikh Mirzá, Timur's son, 20 n., 21 n.
Omar Shaikh, Mirzá, son of Sultán Abu Said, 93, 110, 111; married to Kutluk Nigár Khánim, 94, 96, 117, 155; and Yunus Khán, 96; battle at
the bridge of Tiká Sagrutku, 96, 97; hostilities with Sultán Ahmad Mirzá, 112, 113, 115, 116; his sons, 154; death of, 119, 174; visit of Yunus Khán to, 173.
On Archa (Ankghun Archa), 189 n.
Orgánah Khatun, widow of Kara Hulaku, 33,* 34*; driven from Al- máligh, 34.*
Orong Timur, 34.
Orpelian, the Armenian writer, and Arghun, 290 n.
Osmán Mirzá, 112.
Osmán Sultán and Khwárizm Sháh, 287.
Otár (Arshál Atár), 41 n.
Otrar (Fáráb), 44 n., 49, 63 n.; Amir Timur's death at, 54: see Táráz, Yangi, etc.
Ottogush-Shahr, remains of ancient town of, 12 n.
Oxen, wild (kutás), in the hills of Khotan, 301-2, 302 n.