Iftikhar-Eddanlah, governor of Jerusalem, his hostilities against the Crusaders, [ i. 204].

Imamat, rights of the, [iii. 414].

Imbert de Beaujeu, constable of France, [ ii. 402].

Indulgences, sale of, [iii. 210].

Industry, progress of, during the period of the crusades, [iii. 251], [iii. 328] et seq.

Infidels. See [Mohammedans], [Saracens], and [Turks].

Ingulfus, the monk, his account of the pilgrimage to Jerusalem, [ i. 30] and n.

Innocent III., the great instigator of the fifth crusade, [ ii. 38] et seq.

His quarrel with Philip of France, [ ii. 42].