The open spaces of the city, denominated squares, consist of the Palace Square, one hundred and fifty yards long, and eighty wide, with two good landing stairs from the bay; of the Roceo, one hundred and eighty yards long, and one hundred wide; and the Capim, recently called Peloirinho. In the Cidado Nova, there is one which occupies the intermediate space of the crossing of four streets; but, although these are open spaces, they have little regularity or semblance to any thing that produces the idea of a square. The Royal Palace which has more the appearance of a manufactory than the residence of a king, is composed of that formerly occupied by the viceroys, the convent of the Carmelites, and the senate-house, united by passages, the first forming the southern side of the square, and the latter the western. The northern side consists of a row of houses, which are private property, with two stories the same as the others. The first portion has twenty-four windows on the side, and nine in front towards the bay, the lower part of which is occupied by the guards and some public offices, the rooms above are generally used by the King for public levees. Some of the merchants and groups of the male inhabitants frequent every evening that part of the square, and the walls adjoining the landing places and bordering the bay afford convenient seats, which are fully occupied. Here the arrival of vessels is ascertained, and the sea-breeze enjoyed. The mint, the armory, the naval arsenal, and that of the military, (called _trem_,) and the custom house, are the principal public buildings; but of themselves present nothing particularly worthy of remark. There are various public trapiches, or warehouses for the deposit of produce. The public gardens, which are stated by some travellers to have been fully and gaily attended some twelve or fourteen years ago, are now quite unfrequented, and sunk into neglect. This place of resort in former times consists of about two acres of ground, bordering upon the bay, enclosed with a high wall, and neatly laid out in walks of trees, overhung with a variety of evergreen foliage. There is a stone terrace at the end, ascended by two flights of steps, commanding a view of the bay, with the remains of two pavilions, and other mutilated objects. This place is not left without regret, that so cool and agreeable a situation, and so well calculated for a public promenade, is permitted to fall into decay. For the administration of justice the same tribunals exist here as at Lisbon. At the period of the suppression of the board of inspection, in 1808, was created the tribunal of the royal junta of commerce, agriculture, manufactures, and navigation, composed of ten deputies, a president, a secretary, and an official maior, (officiating mayor.) The Jesuitical library is open to the public; it contains about sixty thousand volumes, amongst which there are but few modern works, and a great many old ones on theology.