... The general steam navigation company's PACKETS, leave LONDON lor HAMBURG, with his Majesty's Mails, every Wednesday and Saturday, earlv in the Morning. For ROTTERDAM, with his Majesty's Mails every Wednesday and Saturday Mornings, at Seven o Clock precisely. ForOSTKNT), every Tuesday and Saturday Morning. For CALAIS, every Wednesday and Saturday, with Passengers only; and every Sunday, with ...