THE ANTIQUITY OF ANTI-SLAVERY SENTIMENT.--BENJAMIN LUNDY'S OPPOSITION TO SLAVERY IN THE SOUTH AND AT THE NORTH.--HE ESTABLISHES THE "GENIUS OF UNIVERSAL EMANCIPATION."--HIS GREAT SACRIFICES AND MARVELLOUS WORK IN THE CAUSE OF EMANCIPATION.--WILLIAM LLOYD GARRISON EDITS A PAPER AT BENNINGTON, VERMONT.--HE PENS A PETITION TO CONGRESS FOR THE ABOLITION OF SLAVERY IN THE DISTRICT OF COLUMBIA.--GARRISON THE PEERLESS LEADER OF THE ANTI-SLAVERY AGITATION.--EXTRACT FROM A SPEECH DELIVERED BY DANIEL O'CONNELL AT CORK, IRELAND.--INCREASE OF ANTI-SLAVERY SOCIETIES IN THE COUNTRY.--CHARLES SUMNER DELIVERS A SPEECH ON THE "ANTI-SLAVERY DUTIES OF THE WHIG PARTY."--MARKED EVENTS OF 1846.--SUMNER THE LEADER OF THE POLITICAL PARTY.--HETERODOX ANTI-SLAVERY PARTY.--ITS SENTIMENTS.--HORACE GREELEY THE LEADER OF THE ECONOMIC ANTI-SLAVERY PARTY.--THE AGGRESSIVE ANTI-SLAVERY PARTY.--ITS LEADERS.--THE COLONIZATION ANTI-SLAVERY SOCIETY.--AMERICAN COLONIZATION SOCIETY.--MANUMITTED NEGROES COLONIZE ON THE WEST COAST OF AFRICA.--A BILL ESTABLISHING A LINE OF MAIL STEAMERS TO THE COAST OF AFRICA.--IT PROVIDES FOR THE SUPPRESSION OF THE SLAVE-TRADE, PROMOTION OF COMMERCE, AND THE COLONIZATION OF FREE NEGROES.--EXTRACTS FROM THE PRESS WARMLY URGING THE PASSAGE OF THE BILL.--THE UNDERGROUND RAILROAD ORGANIZATION.--ITS EFFICIENCY IN FREEING SLAVES.--ANTI-SLAVERY LITERATURE.--IT EXPOSES THE TRUE CHARACTER OF SLAVERY.--"UNCLE TOM'S CABIN," BY HARRIET BEECHER STOWE, PLEADED THE CAUSE OF THE SLAVE IN TWENTY DIFFERENT LANGUAGES.--THE INFLUENCE OF "IMPENDING CRISIS."