A New Rumor

-A corresondent of the Cinc.innati Times avers that Mr. Cobden has addressed a lotter to Gen' Sc.ott, "in wbich lio expresa the opinión that, UDless the rebellion shall bo crushed before the first ot April next, England wili bu under the necessity (impelled by the popular ehitnor oí her commercial and raanufacturing interests) of' opening the eotton ports oí the South.1