Washington News.
NEW YORK, April 9.—The President has sent by a special agent a proclamation to the people of Utah, tendering an amnesty if they will return to their allegiance, otherwise, the whole power of the government will be used to reduce them to submission.
Gen. Harney will leave, on Saturday for his command in Utah, accompanied by the Com-missioners, McCulloch and Powell, Mr. Hart-nett, Secretary of the Treasury, and others con-nected with the military and civil services.