Dtoctin ok the New Toast Herald.—The fact is, the Herald has had its death-blow as a newspaper this full arfd winter. Its job office has been ruined, and will be discontinued ; its advertising is diminishing; its circulation is steadily lessening—other journals, tho World chiefly, taking its place. When we say that the Herald has had its death-blow, we do noi mean that it will cease to be published at