An Appeal for the Union.
A PHILADELPHIA WHIG.
THE following tract, composed of a series of articles, communicated to, and originally published in, the Philadelphia Evening Journal, needs no commendation for such readers as think calmly and soberly, and desire, in the present crisis of national politics, to do what is right. It is a temperate appeal to treason and patriotic intelligence. Whoever reads one page will be tempted onward by the best sort of persuasion -- that which appeals to no prejudice or passion and does not contradict by words of unkindness any strong preconceived opinion. It is not the wail of a technical politician, but of a citizen of Philadelphia, mature in years and conservative in principle, who, when he has devoted himself to the public service, has done so most unselfishly. He feels all he writes to be true. The author of this pamphlet is by education and early association a member of the Society of Friends, and has no sentiment in common with propagandists of slavery or the fierce fanaticism of technical Abolition. He stands, and has always stood, on the good old Pennsylvanian platform, and looking thence on the contests of the day, sees no escape from civil discord and agitation but in the election to the Presidency of a Peunsylvania statesman who has proclaimed that the great aim of his adnministration will be to put an end to slavery agitation. Let every lover of peace read and meditate on what is thus written.