LADIES AND GENTLEMEN:--On Saturday last, Judge Douglas and myself first met in public discussion. He spoke one hour, I an hour and a half, and he replied for half an hour. The order is now reversed. I am to speak an hour, he an hour and a half, and then I am to reply for half an hour. I propose to devote myself during the first hour to the scope of what was brought within the range of his half-hour speech at Ottawa. Of course there was brought within the scope in that half-hour's speech something of his own opening speech. In the course of that opening argument Judge Douglas proposed to me seven distinct interrogatories. In my speech of an hour and a half, I attended to some other parts of his speech, and incidentally, as I thought, intimated to him that I would answer the rest of his interrogatories on condition only that he should agree to answer as many for me. He made no intimation at the time of the proposition, nor did he in his reply allude at all to that suggestion of mine. I do him no injustice in saying that he occupied at least half of his reply in dealing with me as though I had refused to answer his interrogatories. I now propose that I will answer any of the interrogatories, upon condition that he will answer questions from me not exceeding the same number. I give him an opportunity to respond. The Judge remains silent. I now say that I will answer his interrogatories, whether he answers mine or not; and that after I have done so, I shall propound mine to him. I have supposed myself, since the organization of the Republican party at Bloomington, in May, 1856, bound as a party man by the platforms of the party, then and since. If in any interrogatories which I shall answer I go beyond the scope of what is within these platforms, it will be perceived that no one is responsible but myself. Having said thus much, I will take up the Judge's interrogatories as I find them printed in the Chicago Times, and answer them seriatim. In order that there may be no mistake about it, I have copied the interrogatories in writing, and also my answers to them. The first one of these interrogatories is in these words: Question 1.--"I desire to know whether Lincoln to-day stands, as he did in 1854, in favor of the unconditional repeal of the Fugitive Slave law?" Answer:--I do not now, nor ever did, stand in favor of the unconditional repeal of the Fugitive Slave law. Q. 2.--"I desire him to answer whether he stands pledged to-day, as he did in 1854, against the admission of any more slave States into the Union, even if the people want them?" Answer:--I do not now, nor ever did, stand pledged against the admission of any more slave States into the Union.