...ing orders to proceed to sea. Among these is the new gun-boat Unadilla. She deserves particular mention on account of the great expedition in which she has been prepared for service. Her builder, Mr. John Englis , of this city, signed the contract on the 29th of June, and in forty-nine days after — the 17th of August--she was launched; in two weeks after her engines were in and at work, and on the 19th ...