Advice is received from Jamaica, that Admiral Gayton has taken several Sloops and Schooners into the Pay of Government, and fitted them out as Tenders; each is commanded by a Lieutenant, to cruize for the American Vessels off the Havannah, Monti Christi, St. Eustatia, and Curacoa, where they have met with great Success, having taken between twenty and thirty Prizes in the Course of a few Months.