[CONVENTION OF THE AMERICAN SECULAR UNION.][THE RELIGIOUS BELIEF OF ABRAHAM LINCOLN.][ORGANIZED CHARITIES.][SPAIN AND THE SPANIARDS.][OUR NEW POSSESSIONS.][A FEW FRAGMENTS ON EXPANSION.][IS IT EVER RIGHT FOR HUSBAND OR WIFE TO KILL RIVAL?][PROFESSOR BRIGGS.][FRAGMENTS.][EFFECT OF THE WORLD'S FAIR ON THE HUMAN RACE.]