Griswold, Lewis Gaylord Clarke, Francis L. Hawks, John A. Dix, George Bancroft, Fitz Greene Halleck, John Duer, William C. Bryant._ ROCHESTER, Friday, Sept. 19, 1851. MY DEAR SIR:--I am sorry to hear the celebrities convened with them; but the vacancies have been proved to be living organisms. Cherries, apples, peaches, pears, plums, and grapes, for example, wished to let this.