The Emigrations to North America being at this period very great and notorious, the Admiral, who considered all private men coming from any other Country at such a time to the Colonies as Enemies to Great Britain, sent Directions to the Captains on the several Stations for seizing all Emigrants, and giving the Officers of his Majesty's Army the utmost assistance in enlisting them, . . . He likewise issued special Orders to the Commanders of Pacquet Boats for using circumspection and guarding against the prize of their Mails.