Imports-duties from 1867 to 1878, inclusive. A compilation of foreign commodities imported and entered for consumption in the United States; showing the quantities, values, rates of duty, amount of duty received, the average cost, and duties reduced to an equivalent ad-valorem rate; summaries of the values and duties of the principal class or groups; also, values and duties received at each customs district and port of delivery; with schedules of the articles, quantities, and values admitted free of duty, viz: transfers from bond to manufacturing warehouse, materials used in the construction and equipment of vessels, from Dominion of Canada, &c., from the Hawaiian Islands, and salt used in curing fish, during the fiscal years ended June 30, 1867, to 1878, inclusive [electronic resource].