We must be careful in advocating certain diets to remember that man is not altogether a machine. The results of experiments in physiology and chemistry cannot always be applied in their entirety. You may discover from such experiments that milk is the most important of foods; yet the fact remains that there are people who dislike it, and who, therefore, because of such dislike, do not derive as much benefit from drinking milk as others who have no such dislike. I know (and you know) persons who dislike butter; others who dislike vegetables prepared in a certain way - they may like fried, but not mashed potatoes. Some like pot roast and others hate the sight of it. Some relish cheese full of odors, and others are ready to vomit at the mere mention of the name. And then you have variations in taste due to differences of religion, of race, of country. Watch the orthodox Jew make faces when he sees ham or pork. Watch the uninitiated American observe caution when he first attacks chop suey. Watch the Englishman throw up his hands in holy horror when his Spanish friends swallow garlic and onions.

David Fairchild asks the following interesting question: "How did seaweeds and candied grasshoppers come into use in Japan, and fried rhinoceros' hide in Africa, and powdered deer horns in China, and pickled pigs' feet in Germany, and moldy cheese with skippers in it in England, and snails and frogs' legs in France, and grasshoppers, fried and reduced to a meal, in Arabia, and snakes and lizards among the North American Indians, and octopus among the Neapolitans, and wood-grubs among the New Zealand Maoris, and caviar, the eggs of the Volga sturgeon, among the Rus-sians, and rats and mice and dogs and cats among the Chinese, and human flesh among the Fiji Islanders? ... Is it not highly probable that these foods came into vogue just as we know coffee and tea and the potato and tobacco and chocolate have come to be fashionable to-day in European and American countries, through the encouragement given by those who set the fashion of the day?"