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and that more than half the inhabitants of the earth today are practical and prosperous vegetarians. There is no reason known to science or experience why human beings may not keep up as profitable and as interesting an existence without flesh as with it. In fact, after an experience of four years and a rather careful contemplation of the matter, I assert that physiological integrity may be more accurately sustained by a judicious diet of fruits, grains, vegetables, and nuts than by a diet in which carrion is a distinguished constituent. Man is not naturally a carnivorous animal. He has evolved from the frugivorous anthropoids, and has a long biological ancestry of vegetarians. His mouth, digestive organs, skin, structure and modes of life are all unadapted to a carnivorous life. Man has probably adopted predatory habits almost within historic times. Not only the student and the thinker but the manual laborer