130 walk for pleasure. Four streets led around the city within the walls. On each side of the walls, at equal distances from each other, were twenty-five gates of solid brass. From these gates, on every side went twenty-five streets, in straight lines to the gates on the opposite side. Thus there were fifty streets, each fifteen miles long, and a hundred and fifty feet broad. Twenty-five went in one direction, and twenty-five crossed them at right angles, dividing the city into 676 squares. Each square was two miles and a qnarter in circumference. Around these squares the houses were built, some space apart from each other. They were three or four stories high, and were highly - o * ornamented towards the The centres of the squares, and the spaces between the houses, were occupied by courts and gardens. Thus the air circulated freely through every part o the city, which, in that warm cliulate, was very necessary to the health and comfort of the inhabitants. The city of Philadelphia in North America is laid out in much the same manner; but it is troore
