We have not Secretary Seward to thank, we have not President Lincoln to thank, we have not the govt of the United States to thank, we have not the commercial men nor the churches to thank; but we have Jeff Davis and the terrible persistency of the rebels to than, that there has been this change of conduct in the North. It was a matter of military necessity, and therefore we have it. And having been induced by military necessity, for the sake of self-preservation, we cannot rely upon it