The tonnage duties and port charges are very high. Foreign vessels pay $8.50 per ton. In the port of Havana an additional duty of 21-7/8 cents per ton is levied on all vessels for the support of the dredging machine. The wharf charges on foreign vessels are $1.50 for each 100 tons register. The light-house duties, officers' fees, etc., vary at the different ports of the island, but are exorbitantly high in all. At Baracoa, for instance, the following is the tariff of exactions: Tonnage duty, per ton, $1.50 Anchorage, 12.00 Free pass at the fort, 3.00 Health officer, 8.00 Interpreter, 5.00 Inspector's fee for sealing hatchway, 5.00 Inspecting vessel's register, 8.00 Clearance, 8.00 The actual expenses of discharging a foreign vessel of 160-4/95 tons, which remained a fortnight in the port of Havana, amounted to $900. IMPORTS AND EXPORTS OF CUBA FOR A SERIES OF SIXTEEN YEARS. Years. Imports. Exports. 1826 $14,925,754 $13,809,838 1827 17,352,854 14,286,192 1828 19,534,922 13,114,362 1829 18,695,856 13,952,405 1830 16,171,562 15,870,968 1831 15,548,791 12,918,711 1832 15,198,465 13,595,017 1834 18,511,132 13,996,100 1835 18,563,300 14,487,955 1836 20,722,072 14,059,246 1837 22,551,969 15,398,245 1838 22,940,357 20,346,407 1839 24,729,878 20,471,102 1840 25,217,796 21,481,848 1841 24,700,189 25,941,783 1842 24,637,527 26,684,701 During the last year (1842), the imports from the United States were, In Spanish vessels, $474,262 In Foreign do., $5,725,959 Exports to the United States for the same year, In Spanish vessels, $243,683 In Foreign do., $5,038,891 Total imports from the United States, $6,200,219 " exports to do., $5,282,574 Total number of arrivals in Spanish ports (1842), 2657 " clearances from do., 2727 The following table exhibits the exports from the principal towns in 1848: _North Side of the Island._ Havana. Matanzas. Cardenas. Sagua la Grande.