The Washington Republican says that “on ce to-morrow the barbecue, pig and sack race, and other arrangements iu connection with ai ihe tiag presentation to the Twenty-third m Pennsylvania volunteers, at Camp Graham, ^ conies off. Preparations on the largest pos- c sibie scale have been made. An ox and fif- D teen pigs are to be roasted whole for the benefit of the men.1' nIt is si.iu that instead of the Confederate