APPENDIX.

THE island of St. Helena is situated in latitude 15° 55' S., and longitude 5° 46' W., in the southeast trade wind. It is about ten miles and a half in length, six and three-quarters in breadth, and twenty-eight in circumference. The highest part of it is Diana's Peak. It is distant from the nearest land (Ascension), about six hundred miles, and twelve hundred from the nearest continent, the Cape of Good Hope. Its appearance is the most desolate and unpromising that can be imagined. Its exterior presents an immense mass of brown rock, formed of different sorts of lava, rising from the ocean in irregular, rugged, and perpendicular precipices, of a burnt and scorified appearance, totally void of vegetation, from three to fifteen hundred feet high, diversified with hideous, deep, and narrow ravines, descending to the sea, and in some places forming landing-places. The island is composed of lava, cooled in different