Hussein Pacha—Tahir Pacha—Polish and Hungarian Rebellions—Extends to Southern Slaves—Congress convened—Montenegrins overrun Herzegovina—Arrival of Omer Pacha—Elements of Discord—Rising in Bulgaria put down by Spahis—Refugees—Ali Rizvan Begovitch—Fall of Mostar, and Capture of Ali—His suspicious Death—Cavass Bashee—Anecdote of Lame Christian—Omer Pacha invades Montenegro—Successes—Austria interferes—Mission of General Leiningen—Battle of Grahovo—Change of Frontier—Faults of new Boundary.Insurrection of Villagers—Attack Krustach—Three Villages burnt—Christian Version—Account given by Dervisch Pacha—Deputation headed by Pop Boydan—Repeated Outrages by Rebels—Ali Pacha of Scutari—His want of Ability—Greek Chapels sacked—Growth of Rebellion—Omer Pacha restored to Favour—Despatched to the Herzegovina—Proclamation—Difficulties to be encountered—Proposed Interview between Omer Pacha and Prince of Montenegro—Evaded by the Prince—Omer Pacha returns to Mostar—Preparations for Campaign.CHAPTER X.