Filt fit Knoi.—On Thursday sight last.iBanbetween one and two o’clock, iko resicorrdeuce of Mr. Matthew Humphreys atprov 1(Knoif was discovered to be on fire, andi t? J Ibefore water and sufficient assistance 11could be procured the entire building andmost of its contents were consumed—thedep■-tuticfamily barely escaping with their livee. etl?'and • ft w clothes which they gathered as e' erthey made iheir escape. Mr. H’s. pock- Fr,tl•4 book, containing notes and accounts.everand some forty dollars in money, werebecoalso consumed. It is supposed the fireamowas communicated from an ash pan inthe rear part of the buildingssamiditicocratic National Convention. c]4rj