Orders are sent to Portsmouth for his Majesty's frigate Tartar, at that port, to be fitted out immediately for the North America station; she is already commissioned and the command given to Capt. Omminey [Cornthwaite Ommanney]. A frigate is stationed to cruise in the Downs,. with orders to stop all ships that come in and go out, and strictly to examine what they are laden ー with, particularly to see what letters they have on board.