MR. BRECKINRIDGE said he regretted to be obliged to say anything more on this subject, which he had wished to consider concluded, so far as he was concerned, at the close of his preceding speech. He felt obliged, however, by the importance of the whole case, to consume a portion of this, his last address--and which he had desired to occupy in a different way--in making a few explanations which seemed indispensable. It would be observed, first, that the great bulk of the testimonies produced throughout, and especially in his last speech, by Mr. Thompson, were individual opinions and assertions, often of obscure persons, and therefore, for ought the world could tell, fictitious persons; or if known persons they were often men of the world, and avowedly acting on worldly principles, and therefore, no more affording a criterion of the state of the American churches, than the immoralities of any public functionary here, could be justly made a rule of judgment of the faith and morals of British Christians. A considerable portion also were taken from the transient and heated declamations of violent party newspapers, which wrested from their original purpose and connection, might mean what never was meant, or even, if fairly collated, expressed what their authors, perhaps, would now gladly recall. How far would it be proof of the assertions of Mr. T. of America--if in some other land, some bigot should quote as indisputable, Mr. Thompson's story of the colored man in Washington City, whose assertion, at third hand, that he was free, authorised the declaration that "_he had demonstrated his freedom_," and yet after all had been sold into everlasting slavery without a trial! And yet many of his proofs are of no more value to him, than his assertions ought to be to any who come after him. It is next most worthy of note, that so far as all his proofs establish any thing against either any portion of the American nation or the American church, they all run upon the assumed truth of all my explanations of their real state and operations. It is the slaveholding portion, it is the comparatively small body of slaveholding professors of religion, it is the minority of the nation, the very small minority of the Christians of it, implicated continually; and therefore, if every word produced were true, the sweeping conclusions from them would be gross fraud on the prevailing ignorance of all American affairs. But what is most important to observe, and what must be palpable to the capacity of every child who has attended to this discussion, the weightiest of Mr. Thompson's proofs ceased to be proofs at all, the moment the facts, cant words and circumstances connected are explained. He used words in one sense which he knows you will understand in another--sporting at once with your good feelings and your want of minute information while all the result is false as to us, and unhappy as to every thing concerned, except "Othello's occupation" which meanwhile is _not_