On the second day after the opening of the next Congress, December, 1819, Mr. John Holmes presented a memorial in the House of Representatives from a convention which had been lately held in the District of Maine, praying for the admission of said district into the Union "as a separate and independent State, on an equal footing with the original States." On the same day, and immediately after Mr. Holmes had taken his seat, Mr. John Scott, territorial delegate, brought before the House the memorial presented in the previous Congress for the admission of Missouri on the same terms of independence and equality with the old States as prayed for by Maine. From that hour it was found impossible to consider the admission of Maine and Missouri separately. Geographically remote, differing in soil, climate, and products, incapable of competing with each other in any pursuit, they were thrown into rivalry by the influence of the one absorbing question of negro slavery. Southern men were unwilling that Maine should be admitted unless the enabling Act for Missouri should be passed at the same time, and Northern men were unwilling that any enabling Act should be passed for Missouri which did not contain an anti-slavery restriction. Mr. Clay, then an accepted leader of Southern sentiment,--which in his later life he ceased to be,--made an earnest, almost fiery, speech on the question. He declared that before the Maine bill should be finally acted on, he wanted to know "whether certain doctrines of an alarming character, with respect to a restriction on the admission of new States west of the Mississippi, were to be sustained on this floor." He wanted to know "what conditions Congress could annex to the admission of a new State; whether, indeed, there could be a partition of its sovereignty." THE FIRST MISSOURI COMPROMISE.