RETURN TO BELFAST OF THE FUGITIVE SLAVE. A PUBLIC MEETING WILL BE HELD IN the DONEGALL-STREET PRESBYTERIAN CHURCH, This Evening (TUESDAY), 16th June when Mr. F. DOUGLASS AND Mr. JAMES N. BUFFUM will attend, and give a most interesting account of their labours in the cause of Emancipation, since they left this town. Chair to be taken at SEVEN o’clock. Tickets of Admission (Threepence each), to be had at the Booksellers, Advertiser Office, or any member of the Anti-Slavery committee.