An account of the success of inoculating the small-pox in Great Britain, for the years 1727 and 1728. With a comparison between the mortality of the natural small-pox, and the miscarriages in that practice; as also some general remarks on its progress and success, since its first introduction. To which are subjoined, I. An account of the success of inoculation in foreign parts. II. A relation of the like method of giving the small-pox, as it is practised in the kingdoms of Tunis, Tripoli, and Algier