Missouri State Convention.
--Among the resolutions offered to the Convention Wednesday morning and referred to the Committee on Federal Relations, was one moving that a Convention be called of all the Southern States which have not seceded, to meet at Nashville, Tennessee, on the 15th of April.--Another, providing for such amendments to the Constitution as shall secure to all the States equal rights in the Union. Another, declaring that no reason existed why Missouri should secede, and that it would be highly injurious to do so. Another, declaring that the States having once bound themselves together, could never dissever their connection at pleasure. Another, that Missouri should adopt a policy according to her true interests, and invite an effort to maintain the Union peaceful and unbroken.Col. Doniphan offered a resolution declaring that any attempt to use coercion by the Federal Government would inevitably result in civil war and military despotism.