War! War! War! Mass meeting at Clayton Centre. : There will be a mass meeting of the inhabitants of the towns of Clayton and Orleans, favorable to a vigorous prosecution of the war, at Clayton Centre, Thursday, July 31st, at 1 o'clock, P.M. Hon. J.F. Starbuck and Maj. A.J. Barney will address the meeting. Let all true friends of government turn out. / A.W. Clark, Ch'n War Com. 18th Sen. Dist. July 25, 1861.