The trend of a large portion of the testimony of witnesses called by this committee to testify as to the charges preferred against Mr. Johnson and relating to other allegations of the indictment, quite clearly indicated that the charges were based solely upon common street rumor, invented and given currency in partisan antagonism and for partisan purposes, and that the witnesses were called in the hope and expectation, on the part of the majority of the House, of developing proof of disloyalty and corruption on the part of the President, and, if not criminal connivance, at least, criminal knowledge of a conspiracy for the assassination of Mr. Lincoln. But these expectations and hopes, in all respects, were so utterly disappointed, that there was pathos, at least, as the investigation was protracted from month to month, with no indication of the hoped for development, in the despondent inquiry of Mr. Thaddeus Stevens to one of his colleagues of the Impeachment Committee, as the inquest approached a close without results--"Well, HAVE YOU GOT ANYTHING, ANYHOW?" It was more an ejaculation of anger and disgust at failure, than a query of one seeking hoped for information. CHAPTER V. -- THE TENURE-OF-OFFICE ACT. ITS HISTORY AND PURPOSE--THE PRESIDENTS VETO MESSAGE. Mr. Johnson's alleged violation of the act of Congress known as the Tenure-of-Office Act, constituted the ostensible basis of his impeachment in 1868. As stated, it had been passed for the purpose of restricting the power of the President over Executive appointments. That Act, therefore, becomes a very important and conspicuous incident in the impeachment affair, as its alleged violation constituted the only material accusation, set out in various forms, in the entire list of charges. The proceedings had on the passage of that bill are inserted at some length here, as a technical knowledge of its history, character and purpose, is essential to a correct apprehension of the controversy that had arisen between the President and Congress. The Tenure-of-Office bill was introduced in the Senate by Mr. Williams, of Oregon, Dec. 3rd, 1866, and on the 5th was referred to the Committee on Retrenchment. On the 10th Mr. Edmunds, in the name of the committee, reported it back to the Senate with the following remarks: