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We have here carried the degrees of latitude no higher than 80, although part of Spitzbergen is in a higher latitude. We have here a Wall, against which are reared nine ladders, denoting the longitude; and every ladder has eight steps, denoting the Latitude. The above is North Latitude. The base of the said wall is the Equator. In the square at the bottom in the left-hand corner is to be placed the first symbol, with which is to be associated the Name of the Country, &c. as delineated on the Chart; and in the upper part of this square is part of the coast of Guinea—Whidah, Benin, Formosa, Fernandes, St. Thomas. The symbol for this square is the 11th, (1st ladder, 1st step,) Pillars of Hercules. Place one of them on water and the other on land, and between them a Widow, whom, you may say, offers Ben a Guinea, to set off to Cape Formosa, to negociate her suit with Fernando, who is on the eve of going to St. Thomas on the Line, &c. on the same ladder. On the first line or step of this first ladder there is nothing particular; but on the square above, leading to the second step, is Soudun (sedan). Your Boy and Swan have been carried across in a sedan, &c.; and thus you proceed to the top of the ladder; the first figure denoting the number of the ladder, and the second the step. For the disposal of the different parts, for the division of which we have already given instructions, we shall require two rooms, with four walls in each, an upper and a lower room. Looking out at the windows, your first wall will be on your left hand, on which you will have imaginarily delineated 1 to 90 degrees East Longitude (N. L.). Upon your second or front wall there will be 90 to 180 degrees East Longitude (N. L.); on the third, which will be on your right, you will have 1 to 90 degrees West Longitude (L. N.); and on the fourth, immediately behind you, 90 to 180 degrees West Longitude (N. L.) Thus we have disposed of the