Sir, Several advertisements having appeared in the publick papers, desiring all merchants and owners of ships to meet at the King's Arms Tavern in Cornhill, on Thursday the 22d instant, upon an affair of great consequence to the trade and navigation of these kingdoms; and it being apprehended that this meeting is desired upon a matter of no less consequence than to determine whether the trade and navigation of these kingdoms shall have a safe and commodies harbour in the downs; your attendance is earnestly requested, and the following state of facts is submitted to your consideration.