... Average Prices Brown or Muscovado Sugar, computed from the Returns made in tbe weeke -ding Dec. 15, 18tt>', exclusive Customs Duties paid payable thereon, on the importation . thereof into Great Britain:— From the British in America 33 1 per cwt. From the Mauritius From the East Indies Average price of the threeforegoingdescriptions of Sugar, jointly computed as above 1 authority of Parliament ...