We touch the honest, ungloved hand of the host of the evening, Senator Harlan, one of the superb pillars of the Republican party; one who has stood upon principles as firmly as though his feet were planted upon the rock of ages; but once he became Secretary of the Interior, and an angel from Heaven could not go into that sink of pollution and come out with clean, unstained wings. If Senator Harlan lives in a respectable mansion in Washington it is because the interest of the unpaid mortgage upon it is less than the rent would be if owned by a landlord; and let it be remembered that Senator Harlan is the only man in the Iowa delegation who has a whole roof to shelter his head; that his house is the only place where citizens of Iowa can gather together and feel at home. It was the noble idea of hospitality to the State that made the Senator pitch his tent outside the horrors of a Washington boarding-house or a crowded hotel, and not to “shine,” as the envious and malicious would have it. A thrust at Senator Harlan is a stab at every man, woman and child who knows him best, and if it was for the good of this nation that the New York _Tribune_ should be broiled like St. Lawrence on a gridiron, it would only be necessary to make it a Secretary of the Interior, with the Indian Bureau in full blast, as it is to-day, and in less than a single administration there would be nothing left of it but a crumpled hat, an old white coat, and a mass of blackened bones. As honest Western people, let us take care of our honest Western statesmen. Let us have a care for the reputation of the men whom we have trusted in war and in peace, and who have never yet proved recreant to the trust. Dear Republican: Let us dedicate this letter to our sister State, Iowa, most honest, virtuous, best beloved niece of Uncle Sam. A greeting to the Hawkeyes. May their shadows never grow less, and may her thousands of domestic fires that now dot every hill, slope and valley be never extinguished until the sun and the stars shall pole together and creation be swallowed up in everlasting night. OLIVIA. BINGHAM AND BUTLER. CHARACTERISTICS OF THESE CONGRESSIONAL GIANTS IN DEBATE. WASHINGTON, _March 27, 1867_.