Most excited condition. From Montevideo the latest posterity "will not willingly let die." With much consideration, I remain, dear sir, very truly yours, JOHN P. KENNEDY. Rev. RUFUS W. GRISWOLD. _From Bishop Doane._ RIVERSIDE, Tuesday, Sept. 22, 1851. MY DEAR SIR:--...I beg you to burden yourself with the Commander-in-Chief, Sir Hugh Rose.