We are told, that the Roebuck is one of the handsomest ships of war belonging to the King of Britain, and was built last summer under the particular patronage of Lord Sandwich, whose favorite she is. ー The Captain is also of his particular appointment. ー Quere, What must his Lordship say of his ship, when he hears that she was beat by the "cowardly Americans, " who have nothing but "rusty guns, broomsticks, &c."