The soil is appropriated to the produce of cocoa, coffee, indigo, and rice; wheat might be cultivated with advantage. Mandioca grows best in the southern parts of the district, and sugar is cultivated in the proximity of the rivers Parahiba and Muriahe, to a very considerable extent. The number of sugar works in this district, in the year 1801, amounted to two hundred and eighty, of which ninety were very large. Since that period they have increased rapidly, and the sugars produced upon the margins of those rivers are esteemed the best in the Brazil, usually known by the denomination of Campos sugars. Indian corn, feijao, mandioca flour, tobacco, and cotton, are produced only in sufficient quantity for the consumption of the district. All the species of domestic animals are bred, none of them, however, are remarkable for their fecundity. Cattle are not in sufficient number for the consumption of the population, and the working of sugar _engenhos_. The mules are not so large as those of Rio Grande, and Curitiba, but are superior in strength. Goats and sheep degenerate here. Hogs are not numerous, neither is the pork good. The north and south-west winds generally prevail, and scarcely a day passes, that the atmosphere is not refreshed with a strong breeze from one of these quarters. Part of the timber exported by the river Maccahé, is derived from the woods of this district, which afford a variety of medicinal plants. RIVERS AND LAKES.--We have already described the Parahiba, which is the chief river of this district, and traverses it from west to east. The river Muriahe, to which is attributed forty miles of course in a direct line, rises in the serra of Pico, in the territory of the Puri Indians, takes a winding direction to the south-east, until it enters the Parahiba, is navigable for the space of twenty-five miles, and has a fall, where the canoes are dragged over land. When the cultivation of its fertile margins first commenced, (at this day abounding with sugar-works,) its waters were so pestilential, that many who drank of them were attacked with malignant fevers, which either terminated their days, or left them through life pallid and diseased. Even the necessaries of life, which grew upon the lands inundated by its floods, were pestiferous. Its largest confluent is denominated the Rio Morto, or Dead River, in consequence of having a very tranquil current, the waters of which, are muddy, from its origin in a morass. The margins of the Muriahe produce a poisonous _cipo_ plant, with long and flexible shoots, called _timbo_, or _tingui_, and a tree denominated _guaratimbo_, the infectious qualities of which are attributed to the malignancy of its waters.