Odoacer, marquis of Syria, [ i. 338].

“Old Man of the Mountain,” [ i. 304-306].

His singular message to Louis IX., [ ii. 467].

Visit to the court of, [ ii. 468].

Origin and history of his party, [iii. 413] et seq. (App.).

Curious letter of, [iii. 434].

Oleron, rolls of, established, [iii. 324].

Olives, Mount of, [ i. 21], [ i. 214].

Olivia, bishop of Paderborn, [ ii. 233] and n.

Omar, Caliph, captures Jerusalem, [ i. 6].