“The World’s Cane Sugar Industry, Past and Present,” by H.C.P.  Geering.

“The Story of Sugar,” by Prof.  G.T.  Surface of Yale (Appleton, 1910).  A very interesting and reliable book.

The “Digestibility of Glucose” is discussed in Journal of Industrial and Engineering Chemistry, August, 1917.  “Utilization of Beet Molasses” in Metallurgical and Chemical Engineering, April 5, 1917.

CHAPTER X

“Maize,” by Edward Alber (Bulletin of the Pan-American Union, January, 1915).

“Glucose,” by Geo. W. Rolfe (Scientific American Supplement, May 15 or November 6, 1915, and in Boger’s “Industrial Chemistry").

On making ethyl alcohol from wood, see Bulletin No. 110, Special Agents’ Series, Department of Commerce (10 cents), and an article by F.W.  Kressmann in Metallurgical and Chemical Engineering, July 15, 1916.  On the manufacture and uses of industrial alcohol the Department of Agriculture has issued for free distribution Farmer’s Bulletin 269 and 424, and Department Bulletin 182.

On the “Utilization of Corn Cobs,” see Journal of Industrial and Engineering Chemistry, Nov., 1918.  For John Winthrop’s experiment, see the same Journal, Jan., 1919.

CHAPTER XI

President Scherer’s “Cotton as a World Power” (Stokes, 1916) is a fascinating volume that combines the history, science and politics of the plant and does not ignore the poetry and legend.

In the Yearbook of the Department of Agriculture for 1916 will be found an interesting article by H.S.  Bailey on “Some American Vegetable Oils” (sold separate for five cents), also “The Peanut:  A Great American Food” by same author in the Yearbook of 1917.  “The Soy Bean Industry” is discussed in the same volume.  See also:  Thompson’s “Cottonseed Products and Their Competitors in Northern Europe” (Part I, Cake and Meal; Part II, Edible Oils.  Department of Commerce, 10 cents each).  “Production and Conservation of Fats and Oils in the United States” (Bulletin No. 769, 1919, U.S.  Dept. of Agriculture).  “Cottonseed Meal for Feeding Cattle” (U.S.  Department of Agriculture, Farmer’s Bulletin 655, free).  “Cottonseed Industry in Foreign Countries,” by T.H.  Norton, 1915 (Department of Commerce, 10 cents).  “Cottonseed Products” in Journal of the Society of Chemical Industry, July 16, 1917, and Baskerville’s article in the same journal (1915, vol. 7, p. 277).  Dunstan’s “Oil Seeds and Feeding Cakes,” a volume on British problems since the war.  Ellis’s “The Hydrogenation of Oils” (Van Nostrand, 1914).  Copeland’s “The Coconut” (Macmillan).  Barrett’s “The Philippine Coconut Industry” (Bulletin No. 25, Philippine Bureau of Agriculture).  “Coconuts, the Consols of the East” by Smith and Pope (London).  “All About Coconuts” by Belfort and Hoyer (London).  Numerous articles on copra and other