CAYENNE, a seaport and the capital of French Guiana, on the north-west extremity of the island of Cayenne, and near the mouth of the river of that name. Pop. The town forms an almost perfect square, and has clean and well-macadamized streets. In the old town, the streets are not so regularly and well built as in the new. The Place d'Armes, a fine quadrangular space, lies be tween them. To the right of the governor's house is Mt. Ceperon, on which stand Ft. St. Michel, the marine barracks, the signal station and the lighthouse. Here, too, are the capacious reservoirs for the water-supply of the town, the source of which is a lake to the south of the island. The harbour is shallow at its entrance, and craft drawing more than 14 ft. are obliged to anchor 6 m. from the town. There is no dock for the repair of vessels ; but there are two quays at the town. The principal exports of Cayenne are gold, cocoa, phosphates, hides, woods and spices. The imports are French wines, spirits and liqueurs ; silk and cotton stuffs, to bacco, hardware, glass, earthenware, clothing, preserved meat, fish, and vegetables, maize, flour, hay, bran, oils and cattle. There is a regular mail service between Cayenne and Martinique once a month. Cayenne is the seat of the government of French Guiana, and was formerly a penal settlement for political offenders. The temperature of Cayenne is between 76° and 88° F throughout the year; but the heat is tempered by easterly winds. Between De- ' ember and March a north wind blows. Fevers often attack the inhabitants ; but the climate, though moist, is on the whole healthy. (See GUIANA.)