[244] Statistical Abstract relating to British India from 1866-67 to 1875-76. London, 1877, pp. 51, 53.
[245] Notes médicales du voyage d’exploration du Mékong et de Cochinchine, Paris, 1870. 23.
[246] Report on the Trade of Hankow, before quoted.
[247] In 1870, a British firm at Amoy opened an establishment for preparing opium for the supply of the Chinese in California and Australia—Pall Mall Gazette, Nov. 7th, 1878, p. 7, announces: “The monopoly of preparing and selling opium in the 14 districts of Kwang-chow-fu, has been leased to a Hong at Canton for 3 years, ... innovation on former practice.... Opium shops are henceforth to be licensed, and the Exchequer will receive the yearly sum of 140,000 dollars—a welcome addition to the revenue.”
[248] Pharm. Journ. vi. 234; vii. 183. with 4 beautiful plates representing the crystallizations from extract and tincture of opium as well as from the pure opium constituents. When the juice of the poppy is prevented from rapid drying by the addition of a little glycerin, crystals are developed in it.
[249] We had the opportunity of examining very good specimens of pectic matter and caoutchouc from opium, with which we were presented (1879) by Messrs. J. F. Macfarlane & Co., of London and Edinburgh.
[250] Flückiger, in Pharm. Journ. x. (1869) 208.
[251] American Journ. of Pharm., 1870. 124.
[252] From the laboratory accounts of Messrs. Allen and Hanburys, London, by which it appears that 200 lb. of Turkey opium dried at various times in the course of 10 years lost in weight 25¼ lb.
[253] Calculated from official statements given by Eatwell in the paper quoted at p. 50.