Joint resolution of April 29, 1864, in effect for sixty days: Sugars not above 12 D. S., 2½c per pound plus 50 per cent equals 3¾c per pound. Sugars above 12 D. S. and not above 15 D. S., 3c plus 50 per cent equals 4½c per pound. Sugars above 15 D. S. and not above 20 D. S., 3½c per pound plus 50 per cent equals 5¼c per pound. All refined sugars 4c per pound plus 50 per cent equals 6c per pound.

Tariff act June 30, 1864, effective July 1, 1864: Sugars not above 12 D. S., 3c per pound. Sugars above 12 D. S., not above 15 D. S., 3½c per pound. Sugars above 15 D. S., not above 20 D. S., and not stove dried, 4c per pound. All refined sugars and all sugars over 20 D. S., 5c per pound.

Tariff act July 14, 1870, to be effective on and after December 31, 1870, which means January 1, 1871. Later amended by tariff act of December 22, 1870, to be effective immediately: Sugars not above 7 D. S., 1¾c per pound. Sugars above 7 D. S., not above 10 D. S., 2c per pound. Sugars above 10 D. S., not above 13 D. S., 2¼c per pound. Sugars above 13 D. S., not above 16 D. S., 2¾c per pound. Sugars above 16 D. S. and not above 20 D. S., 3¼c per pound. All sugars above 20 D. S. and all refined, 4c per pound.

Tariff act March 3, 1875: Sugars not above 7 D. S., 1¾c per pound plus 25 per cent equals 2.19c per pound. Sugars above 7 D. S., not above 10 D. S., 2c per pound plus 25 per cent equals 2.50c. Sugars above 10 D. S., not above 13 D. S., 2¼c plus 25 per cent equals 2.81c per pound. Sugars above 13 D. S., not above 16 D. S., 2¾c plus 25 per cent equals 3.44c per pound. Sugars above 16 D. S., not above 20 D. S., 3¼c plus 25 per cent equals 4.06c per pound. All sugars above 20 D. S. and all refined sugars, 4c per pound plus 25 per cent equals 5c per pound.

Tariff act March 3, 1883, effective June 1, 1883: Sugars not above 13 D. S. and not above 75-degree polarization, 1.40c per pound and .04c additional per degree or fraction thereof. Sugars above 13 D. S., not above 16 D. S., 2.75c per pound. Sugars above 16 D. S., not above 20 D. S., 3c per pound. Sugars above 20 D. S., 3½c per pound.

Tariff act October 1, 1890, effective April 1, 1891 (McKinley bill): Bounties effective July 1, 1891. Bounties declared unconstitutional by the United States supreme court: Bounty on domestic productions, sugars testing 80 degrees to 90 degrees, 1¾c per pound. Bounty on domestic productions, sugars testing at least 90 degrees, 2c per pound. All sugar not above 16 D. S., free. All sugar above 16 D. S., duty ½c per pound. All sugar above 16 D. S. from bounty-paying countries, duty ⁶⁄₁₀c per pound.

Tariff act August 27, 1894, effective August 28, 1894 (Wilson bill): Bounty on domestic production repealed. All sugars 40 per cent ad valorem. All sugars above 16 D. S. and all sugars discolored, 40 per cent and ⅛c per pound. All sugars from bounty-paying countries, ¹⁄₁₀c per pound additional.

Tariff act July 24, 1897 (Dingley bill): Raws not above 16 D. S. and not above 75-degree polarization, .95c per pound. Each additional degree or fraction thereof, .035c per pound additional. Sugar above 16 D. S. and all refined, 1.95c. All sugars from bounty-paying countries, countervailing duties equal to bounties additional.

Tariff act August 5, 1909 (Payne-Aldrich bill): Raws not above 16 D. S. and not above 75-degree polarization, .95c per pound. Each additional degree or fraction thereof, .035c per pound additional. Sugar above 16 D. S., and all refined, 1.90c per pound. All sugars from bounty-paying countries countervailing duties equal to bounties additional.

Tariff act October 3, 1913, effective March 1, 1914 (Underwood bill): Raws testing not above 75-degree polarization, .71c per pound. Each additional degree or fraction thereof, .026c per pound additional. No. 16 D. S. clause repealed. All Philippine sugars to be admitted free. After May 1, 1916, all sugars to be admitted free of duty.