that, although Vegetarianism may be desirable on abstract grounds of morality and good taste, nevertheless flesh-eating is, for physical reasons, a practical necessity of nature, and, being natural, cannot be immoral. This, of course, belongs rather to the physical than the moral question ; and it remains for those who have satisfied themselves that Vegetarianism is desirable to determine further whether it is practicable. It is sufficient here to indicate the fact that medical men are not only not infallible, but liable to all the prejudices that affect the unprofessional mind ; so that would-be Vegetarians need not be greatly alarmed by the stock arguments which are regularly produced by doctors, cooks, relatives, and other well-meaning persons, in the way of solemn warning and advice. The Vegetarian is assured that the impossibility of such a diet for man is clearly demonstrated by the formation of the teeth, and other structural evidence. Some nations and individuals may contrive to live on vegetable food, in spite of these physical hindrances ; but at any rate in northern climates a flesh diet is necessary, for the sake of heat. And if some obstinate people even here persist in living in perfect health without animal food,
