Transcriber’s Notes Obvious typographical errors have been silently corrected. Variations in hyphenation and accents have been standardised but all other spelling and punctuation remains unchanged. Italics are represented thus _italic_ and bold thus =bold=. THE A. B.-Z. OF OUR OWN NUTRITION HORACE FLETCHER’S WORKS THE A. B.-Z. OF OUR OWN NUTRITION. 462 pp. Just issued. THE NEW MENTICULTURE; OR, THE A-B-C OF TRUE LIVING. Fortieth thousand. 310 pp. THE NEW GLUTTON OR EPICURE; OR, ECONOMIC NUTRITION. 324 pp. Just issued. HAPPINESS AS FOUND IN FORETHOUGHT MINUS FEARTHOUGHT. Tenth thousand. 251 pp. THAT LAST WAIF; OR, SOCIAL QUARANTINE. 270 pp. _The_ A. B.-Z. _of_ OUR OWN NUTRITION _By_ HORACE FLETCHER _Author of “Menticulture,” “Happiness,” “That Last Waif,” “Glutton or Epicure,” Etc., Etc._ EXPERIMENTALLY ASSISTED BY DR. ERNEST VAN SOMEREN, M. R. C. S., L. R. C. P., _of Venice, Italy_ & DR. HUBERT HIGGINS, M.A., M. R. C. S., L. R. C. P., _of Cambridge, England_ _NEW YORK_ ‧ FREDERICK A. STOKES COMPANY ‧ _PUBLISHERS_ COPYRIGHT, 1903 BY HORACE FLETCHER Published November, 1903 Reprinted February, 1904, August, 1904 February, 1905, August, 1905 THE UNIVERSITY PRESS CAMBRIDGE U. S. A. CONTENTS Page INTRODUCTION ix POSTINTRODUCTORY xxvii THE A.B.-Z. PRIMER Explanation 3 Some Pertinent Questions 4 A.—The Psychology of Nutrition 6 B.—The Mechanical and Chemical Physiology of Nutrition 8 Method 9 Z.— The True Chemical End-Point of Digestion 10 A.B.-Z. Figure 12 Preface to 1906 Edition 13 HISTORY OF DEVELOPMENT AND SUPPORTING EVIDENCE Summary of the Foregoing Pages by an Experimenter of One Month’s Experience 19