...loyal to the Government by a vigorous prosecution of this war, and who in no contingency are in favor of secession. --N. Y. Evening Post, August 22. The steamer Samuel Orr, an Evansville and Paducah mail packet, was seized at Paducah, Ky., and taken up the Tennessee River. The officers and crew left her, and went to Cairo, Ill., in skiffs. Her cargo was valued at twenty thousand dollars.--Ba...