Isaac Angelus, the emperor of Constantinople, [ i. 445].

Forms an alliance with Saladin, [ i. 446].

Deposed by Alexius Angelus, [ ii. 63-65].

Reinstated by the Crusaders, [ ii. 93].

His imbecility and bigotry, [ ii. 108].

His death, [ ii. 119].

—— Comnenus, dispossessed of Cyprus, [ i. 475].

Isabella of Constantinople, death of, [ ii. 192].

Isidorus, Cardinal, bravery of, [iii. 154].

Islamism. See Mohammedanism.