30 JANUARY 1915, Page 10

It is a curious thing that the country which invented

the "quick lunch" also prides itself on the scientific study of foods and their digestibility. Professor Henry 0. Sherman, of Columbia University. summarizes a great body of recent American research on this subject in his useful treatise on Food Products (Macmillan and Co., 10s. net).—The same publishers send us authoritative monographs on The Coco-Nut (1.03. net), by Professor E. D. Copeland, of the University of the Philippines; and on Cocoa (14a. net), by Dr. C. J. J. van Hall, Director of the Java Institute for Plant-Diseases.