FROM KANSAS. Special Correspondence of the Missouri Democrat. Ljiwbexcb, Kansas, Sept. 7,1857. . The express leaves in an hour, and I have bul a few moments to write. I wili, there fore, hastily condense what might well fill several pages. The slabbing affray at Le compion has developed some new shades in the “National” element of that place worth referring to. The facts were these : A Mr. BiileyJl who is a Conservative or National Free-Sjtate man, was walking along the street in company with a friend of his, who is clerk under Mr. Brindle, in the Land Office, and in passing a grog-shop, Mr. Bailey saw an mher friend of his standing in a crowd of noisy rowdies about the bar, and, fearing that he was getting into .bad company, as he was then partially intoxicated, Bailey entered sad invited his fiiend to leave. At this the crowd came up around him, threatening him as an Abolitionist, and, as he backed out of the door to avoid them, they continued to follow him up, and when oat a short distance in (be street, they stabbed him in several places, both from before and behind, showing that more than one were engaged in it; and as this o'hcr friend, the clerk, attempted to defend him, he, too, received a' blow from a knife, cutting his clothes upon his side a long dis tance, and slightly marking his skin. Bailey is yet alive, but his wounds are regarded as very dangerous, if not fatal. The man who gave him the principal blow was Mr. Brock en, one of the ultra Southern Calhoun Ad ministration men. No provocation was of ferred, and no justification is made. None can be presumed, only that Mr. Bailey was a Free Slate man. In Lecompton, where the atmosphere is thoroughly impregnated with all (he virtues, at least, of the Administration, under the very eyes of the whole band of officials, for a long lime no effort was made to arrest the assas sins, nod Brockett stood in the front door of an offiue near by, manifesting no concern whatever, while Mr. Bailey was carried by, weltering in Ills blood, to some welcome couch, to suffer and probably die. Some time after ward, Gcu. McLean, one of the land chiefs here, by Buchanan’s appointment, was seen taking Brocket!.ijccoss-rfietrrver towwtd Leav-‘ enwor'h. U’he(ra»Kttle